Top 10 Best Crucible For Melting Copper Reviews Comparison In 2023 – Useful Guides For Buyers

What is the top 10 best crucible for melting copper reviews comparison? To burn metals, you’ll need a crucible that can operate to its full potential. A graphite-based substance is commonly used in contemporary crucibles. They range in size from little cups to containers that may store many pounds of the material you want to deal with, based on your demands.

Crucibles appear in a range of forms and sizes, with some having pouring spouts. Someone else will have unique qualities since each melting usage will need different temperatures, different initial conditions, or physical properties. So, with so many options, how does one pick the right crucible?

You’re in need of a crucible for burning metal, but you’re stumped as to which melted pot to choose? We’ve done numerous studies on what’s currently available in the marketplace to save your time, and we’ve answered several of the most common questions you could have while making a decision. Check out our top 10 best crucibles for melting copper reviews comparison.

Table of Contents

Best Crucible For Melting Copper Comparison 2023

** Below, you will find our detailed reviews of the Crucible For Melting Copper, but you can also click these following links to see current prices or read customer reviews on Amazon.

Bestseller No. 1
8KG Foundry Clay Graphite Crucibles,Crucibles for Melting Metal,Melting Casting Refining Aluminum Gold Silver Copper,The High Temperature 1800℃(3272°F)
  • 8KG Foundry Clay Graphite Crucibles,Crucibles for Melting Metal,Melting Casting Refining Aluminum Gold Silver Copper ,The High Temperature 1800℃(3272°F)
  • Ideal for use with propane melting furnaces,Clay Graphite Crucible for melting metal , silver, gold, copper, aluminum
SaleBestseller No. 2
TOAUTO 3KG Gold Melting Furnace,1400W 2000F Digital Electric Melting Furnace with Graphite Crucible for Melt Scrap, Silver, Gold, Copper, Aluminum 110V Refining Casting Furnace
  • 【High Quality Melting Furnace】Power 1400W,3kgs of large compacity,voltage 110V,max.heating temp1100℃/2000 F, metals could be melted completely in 45-60 minutes. WARM TIPS: Always follow the instructions to ensure the best performance and lasting use, Feel free to contact us if any issue
  • 【Graphite Crucible Designed】Grooved graphite crucible is specially designed for easy removal from the furnace,Insulated lid holds heat in and keeps oxygen out for a cleaner melt,say no to any metal waste.
SaleBestseller No. 3
OTOOLWORLD 1KG Clay Graphite Crucible Foundry Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum Lead Zinc and Alloys 100ml
  • Capacity 100ML
  • This crucible has strong corrosion resistance to acid and alkaline solution, and has excellent chemical stability and thermal shock resistance. Melting Casting Refining Gold Silver Copper Brass Aluminum Lead Zinc and Alloys
Bestseller No. 4
GONGYI #6 (13.2lbs-6kg) Clay Graphite Crucible for Metal Melting Casting Refining Gold Silver Copper Brass Aluminum
  • Outside Dimensions: #6: 5" Dia. x 5.7" Height.
  • Material: Specially added silicon carbide to make the crucible more durable, suit for Carbide Furnace Coke Oven.
SaleBestseller No. 5
USA Cast Master 5-6 KG Deluxe KIT Propane Furnace with Crucible and Tongs Kiln Smelting Gold Silver Copper Scrap Metal Recycle 5KG Kilogram
  • EXPERIENCE THE THRILL OF SMELTING: Home smelting has come a long way, and with Cast Master’s full line of furnaces and smelting products, you can reliably and safely explore this fantastic hobby.
  • WE HELP YOU TURN THOSE OLD ALUMINUM CANS INTO $ Recycling is at a crossroads, with communities becoming reluctant to provide the service, and citizens confused about what can & can’t go into the green recycling toters. Cast Masters makes it easy!
Bestseller No. 6
GONGYI 12KG Large Capacity Deluxe Kit Propane Melting Furnace Smelter Full Stainless Steel 304 for Scrap Metal Recycle Melting Copper Aluminum Includes Crucible and Tongs
  • Safety: Come with CSA gas hose and regulator, professional design for working with America standard Propane Tank directly, Easy to use.
  • No Rust: Heavy Duty stainless steel 304 furnace body, long life design.
SaleBestseller No. 7
VEVOR Propane Melting Furnace 10KG, 2462°F, Metal Foundry Furnace Kit with Graphite Crucible and Tongs, Casting Melting Smelting Refining Precious Metals Like Gold Silver Aluminum Copper Brass Bronze
  • Trash to Treasure: Home smelting is becoming more and more common. With our 10 KG propane melting furnace, you are able to convert the scraps of copper and rotten iron into beautiful artworks. It will meet your different needs and indulge your passion for metal melting.
  • High Caliber Clay Graphite Crucible: Premium clay graphite crucible is made of high-density fine-grain graphite. It has excellent thermal conductivity, high heat endurance, and high impact endurance. Also, the placement of the burner increases fuel efficiency.
Bestseller No. 8
NiocTech 6KG Foundry Clay Graphite Crucibles Cup Furnace Torch Melting Casting Refining for Gold, Silver, Copper, Brass, Aluminum 3272F/1800?
  • Ideal for use with propane melting furnaces,Clay Graphite Crucible for melting metal , silver, gold, copper, aluminum
  • 6 KG (copper), Rated to withstand temperatures up to 1560°F - 3272° F (850°C - 1800°C)
Bestseller No. 9
#1 1-2KG MegaCast, Foundry Clay Graphite Crucibles Black Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum
  • Designed for Melting Gold, Silver, Copper, Brass, Aluminum and More!
  • Outside Dimensions - 3.5" Dia. x 3.75" Length - Inside Dimensions - 2.75" Dia. x 3.25" Depth
Bestseller No. 10
#8 10 Kg Foundry Clay Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum
  • Rated to withstand temperatures up to 1560°F - 2912° F (850°C - 1600°C)
  • Designed for melting gold, silver, copper, brass, aluminum, and more metals

Top 10 Best Crucible For Melting Copper Reviews 2023

USA Cast Master Deluxe Kit Furnace – Best crucible for melting copper overall

Sale
USA Cast Master 5-6 KG Deluxe KIT Propane Furnace with Crucible and Tongs Kiln Smelting Gold Silver Copper Scrap Metal Recycle 5KG Kilogram
  • EXPERIENCE THE THRILL OF SMELTING: Home smelting has come a long way, and with Cast Master’s full line of furnaces and smelting products, you can reliably and safely explore this fantastic hobby.
  • WE HELP YOU TURN THOSE OLD ALUMINUM CANS INTO $ Recycling is at a crossroads, with communities becoming reluctant to provide the service, and citizens confused about what can & can’t go into the green recycling toters. Cast Masters makes it easy!

Cast Master’s melted furnace is indeed a heavy-duty, US propane burner with a blistering capacity of 5 kilograms. It has a melting point of 2700 degrees Fahrenheit. This furnace has an 80,000 BTU flame that is designed to run on propane. Melting is possible with a variety of metals, including gold, silver, iron, zinc, and stainless steel, among others. 

Casting Master makes a lightweight 18-pound portable oven. A 5 kilograms stainless steel methane furnace, one carbon crucible, an oxygen burner intake tube, furnace safety gloves, a firebrick, as well as a CSA-approved gas regulator is included in the smelting package. There was also a removable no-hinge top to make your melting experience easier.

Pros:

  • Everything you’ll need to start meeting is included in the package.
  • Users can melt anyplace because it’s 18 lbs. 
  • Lightweight and portable.
  • The kiln warms up rapidly so you may save time, as well as the flame attachment allows you to control the temperature.

Cons:

  • After using it, there have been some issues with the top fit.
  • It does not come with a casting mold.

Nisorpa Durable Foundry Silicon – Best crucible for melting copper for sturdy model

Nisorpa Durable Foundry Silicon Graphite Crucible, 12KG Graphite Crucibles Copper Casting Cup Furnace Coke Oven Electric Torch Lab Supply Melting Casting Refining Gold Silver Copper Brass Aluminum
  • Durable Foundry Silicon Carbide Graphite Crucibles is 3-8 times longer life than clay crucible.
  • High-temperature resistant,suitable for high temperature metal melting,such as gold, Silver, Copper, Brass, Aluminum and more.

Silicon carbide charcoal, which is significantly more robust than clay titanium, is used to make this beaker by Eforlife. It was a smaller furnace that’s excellent for melting silver or aluminum in batches of six kilos or 2.2 kilos. The volume of the molten nitrogen is 750 liters.

The internal diameter was 110 mm and the length was 140 mm. Even though it appears to be little, it will still be bigger than just an aluminum container. One of the benefits of utilizing this kind of crucible was that it could resist heights of up to 1800°A and, which is far greater than a standard clay graphite cauldron.

Pros:

  • Enormous amounts of material with.
  • 12-kilogram capacity.
  • Started building pouring funnel.
  • Simple to transfer your material to any mold.

Cons:

  • Lack of spout.
  • Short use.

PMC Supplies LLC Clay Graphite Foundry Crucible – Best crucible for melting copper for casting process

No products found.

The correct product may help or hurt your casting process, and PMC Materials LLC is dedicated to delighting its clients. The crucible is meant to contain three kilos of aluminum, but it may be used for melting valuable and non-precious materials as well.

Other aspects of the PMC furnace include: It has a wide range of applications and can burn metals apart from aluminum, such as brass, platinum, silver, as well as other precious metals. It is made of a mix of clay & graphite and can resist temperatures ranging from 850°C to 1600ºc. This cauldron is perfect for smelting, casting, and even refining.

This ceramic graphite crucible carries a heavy set of 26-inch forceps which can hold pans up to six mm in height. The diameter at the lips measures five feet and the length is roughly approximately five inches. This crucible’s interior capacity is approximately 17 US ml.

Pros:

  • Metals may be melted at extreme temperatures between 850° and 1600° using clay graphite substance with strong inner walls.
  • Each crucible comes with heavy-duty forceps to make removing it from the kiln a breeze.
  • The PMC °3 beaker has 4 kilograms melting volume and is equipped with a filling notch.

Cons:

  • When material changes, some sticking has been recorded.

Nisorpa Durable Foundry Silicon 6 kg – Best crucible for melting copper for normal clay

Nisorpa Durable Foundry Silicon Carbide 6KG Graphite Crucibles Aluminum Casting Cup Furnace Coke Oven Electric Torch Lab Supply for Melting Casting Refining Gold Silver Copper Brass
  • Durable Foundry Silicon Carbide Graphite Crucibles is 3-8 times longer life than clay crucible.
  • High-temperature resistant,suitable for high temperature metal melting,such as gold, Silver, Copper, Brass, Aluminum and more.

Nisorpa has created a nice-sized furnace out of silicon carbide graphene. Because it’s composed of fused silica graphite, it’ll last a lot longer than a normal clay graphite cauldron, with a boiling life of four to seven times longer. Those crucibles are harder and less susceptible to temperature fluctuations than others.

It’s especially well-suited to high-temperature boiling of metals including aluminum, bronze, copper, gold, platinum, and other precious metals. It was designed to work in various types of furnaces, including fuel-burning kilns, charcoal ovens, and electric furnaces.

It can endure temperatures which are up to 1800° C, which is greater than clay carbon crucibles can. The fused silica graphite crucible seems to be a superior alternative if you need to operate with greater temperatures.

Pros:

  • The crucible is made of fused silica graphite and is designed for high-temperature boiling.
  • It may be used in a variety of furnaces, including fuel-burning kilns, coal ovens, and electric furnaces, providing you with a lot of possibilities.
  • Cleaning is simple and quick thanks to the fused silica graphite substance.

Cons:

  • Pouring molten metals is not possible due to the lack of a spout.

10KG Foundry Clay Graphite Crucibles Propane Furnace – Best crucible for melting copper for temperature resistance

10KG Foundry Clay Graphite Crucibles Propane Furnace Torch Melting Casting Refining for Gold Silver Copper(10KG) Aluminum
  • Clay Graphite Crucible for melting metal , silver, gold, copper, aluminum
  • 10KG ,Rated to withstand temperatures up to 1560°F - 2912° F (850°C - 1600°C)

That crucible has good chemical stability as well as temperature resistance, and also great corrosion resistance to neutral and base solutions. Specifically designed to be used with propane smelting furnaces.

If you’ve any problems with our goods, please email us and we will respond as soon as possible. We guarantee your complete satisfaction. Temperatures of 800° to 1600° C may be tolerated by a clay graphene pot. 

The outside measurements are five inches in length and 5 and a half feet in height. Interior dimensions ensure a four-inch width and a five-inch height. The form is that of a spherical cone.

Pros:

  • Nice design
  • Good quality crucible
  • The great value of money
  • Customer service
  • Solid colander

Cons:

  • A bit sauce
  • Do not let it cool down quickly

 TOAUTO High Purity Graphite Crucible

TOAUTO High Purity Graphite Crucible, Metal Melting Ingot Mould for Gold Silver Brass Aluminum Furnace Casting Jewelry Tools
  • GROOVED GRAPHITE CRUCIBLE -- Grooved graphite crucible made of natural graphite with good thermal conductivity and high temperature resistance, and has a small thermal expansion coefficient during high temperature use. Specially designed for easy removal from the furnace say no to any metal waste.
  • LARGE COMPACITY -- 3KG / 334ML Capacity, can be melted 6.4KG gold,3.5KG silver,3KG copper,0.9KG aluminum. The use temperature is less than or equal to 1800 ℃, can melt alloys such as gold, silver, platinum, and other precious metals, smelting, casting metals.

Natural carbon grooved cauldron with strong thermal conductivity temperature endurance, as well as a low thermal expansion when used at high temperatures. Say no to every metal waste with its custom logo for simple removal from the oven.

3KG/334ML Capacity, meltable 6.4 kilograms of gold, 3.5 kilograms of silver, 3 kilograms of copper, and 0.9 kilograms of aluminum Melting combinations such as platinum, argent, platinum, as well as other rare stones, smelting, and molding metals are all possible with a temperature of less than or equivalent to 1800 °C.

A charcoal burner or a carbon kiln cannot burn a catalyst particle’s crucible. This will oxidize and break; pure carbon will begin to oxidize around 752 degrees Fahrenheit.

Pros:

  • High quality
  • High stability and durability
  • Nice look
  • Sturdy and grooved
  • Large capacity
  • Satisfying service

Cons:

  • Somehow cracked

CRUCIBLE , 6# Silicon Carbide Graphite

CRUCIBLE , 6# Silicon Carbide Graphite Crucibles, Foundry Cup Melting Casting, heat up to 3272F/1800℃, Graphite Crucibles for Copper Gold Silver Aluminum,Jewelry Casting Tool,6kgs, factory sale
  • Silicon Carbide Graphite Crucible for melting metal , silver, gold, copper, aluminum
  • Melting Capacity: Gold 13KGS/28.7LBS Silver 7KGS/15.4LBS Copper 6KGS/13.2LBS Iron 5KGS/11LBS Aluminum 1.8KGS/4LBS

The crucible’s sides are fairly strong, thus it can withstand high heat along with ignition source foundries. This beaker has an additional outer layer that gives it a longer melting lifetime. It’s manageable at little over up to ten kilograms. 

The cauldron does have a pouring point placed right into it for the simple pouring of molten metals, but it does have a rounded cone form rather than being cylindrical. 

To eliminate any humidity, this crucible must be warmed before using it. This can be accomplished via heating. The 1200 gram furnace may be used to melt aluminum, copper, lead, gold, silver, and other metals. Propane-fueled furnaces are compatible with this product.

Pros:

  • This crucible’s large windows 
  • Graphite-clay combination 
  • Make it ideal for high thermal conductivities

Cons:

  • Lack of a spout

Rosenthal Collection Crucible 12kg Graphite Crucible

#6-10Kg Clay Graphite Crucibles Premium Black Foundry Cup Furnace Torch Melting Casting Refining for Gold. Also Great for Silver, Copper, Brass, Aluminum
  • Outside Dimensions - 6 1/4" Dia. x 7.5" Height - Inside Dimensions - 4 5/8" Dia. x 6 1/2" Depth
  • LONG LIFE BLACK COATING - Designed for Melting Gold, Silver, Copper, Brass, Aluminum and More!

The Rosenthal Collection produces this Premium Dark Foundry Crucible. That’s a large crucible that can contain up to twelve kilos of aluminum as well as other metals. Copper, brass, gold, and silver, among many other metals, are ideal for melting, molding, or refining.

Those crucibles are constructed of a mixture of clay & graphite but are especially suitable for melting hard assets. They’re also excellent with non-precious materials.

The crucible’s sides are fairly strong, thus it can withstand hot air and also open flame factories. They’re an excellent choice for propane-fueled melting furnaces since they may be utilized with either a normal torch or even a high-temperature induction.

Pros:

  • This crucible’s large windows and graphite-clay combination make it ideal for high thermal conductivities.
  • You can melt enormous amounts of material with a 12-kilogram capacity.
  • The started building pouring funnel makes it simple to transfer your material to any mold.

Cons:

  • When tempered, it emits a noxious odor.
  • There are a few things to think about when it comes to durability.

#8 10 Kg Foundry Clay Graphite Crucibles Cup

#8 10 Kg Foundry Clay Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum
  • Rated to withstand temperatures up to 1560°F - 2912° F (850°C - 1600°C)
  • Designed for melting gold, silver, copper, brass, aluminum, and more metals

To go and get customers started, the maker Cast Master offers easy-to-follow Language instructions as well as a youtube clip. Assembling the product is straightforward and quick, going to start melting nearly immediately. The flame attachment is indeed a fantastic feature that allows you to quickly regulate the amount.

The only restriction could be that the furnace doesn’t come with a flowing spout, and you’ll have to cut a hole in the carbon, which is simple to do. The casting mold is sadly not supplied and must be ordered separately.

Pros:

  • Heavy
  • Various sizes
  • Do not arrive cracked
  • Worth buying
  • Doing a good job
  • High-quality materials

Cons:

  • Holding a lot
  • Bottom blew out

6# Silicon Carbide Graphite Crucibles for Coal

6# Silicon Carbide Graphite Crucibles for Coal Furnance Carbide Furnace Coke Oven Electric Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum for 6KG Copper or 2.2KG Aluminum
  • 【Material】Silicon Carbide Graphite, which is more durable than Clay Graphite and suit for Carbide Furnace Coke Oven Electric Furnace, etc.
  • 【Size】140mm height and 110mm inner diameter which is bigger than cans.

These coarse aggregates are constructed of a mixture of clay as well as carbon and are especially suitable for melting rare metals. They’re also excellent with non-precious elements.

This crucible’s walls were fairly strong, thus it can withstand direct heat and also open flame factories. They’re an excellent choice for propane-fueled melting ovens, and they may be utilized with either a conventional torch or elevated induction ovens and boilers.

The crucible seems to have a pouring point placed right into it for the simple pouring of molten metals, and it also has a curved cone form rather than being cylindrical. To eliminate any moisture, the crucible must be annealed before use. It can be accomplished by heating.

Pros:

  • Various sizes
  • Do not arrive cracked
  • Worth buying
  • It may be used in a variety of furnaces, including fuel-burning kilns

Cons:

  • Pouring molten metals is not possible due to the lack of a spout

6 12KG MegaCast, Foundry Clay

#6 12KG MegaCast, Foundry Clay Graphite Crucibles Black Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum
  • Designed for Melting Gold, Silver, Copper, Brass, Aluminum and More!
  • Outside Dimensions - 6.5" Dia. x 8" Length - Inside Dimensions - 5.5" Dia. x 7.25" Depth

The internal diameter seems to be 110 mm and the length is 140 mm. Even though it appears to be little, this is still bigger than an aluminum tin. Another benefit of utilizing this kind of crucible was that it could resist temperature up to 1800°C, and is far greater than a standard clay graphite cauldron.

This crucible must be annealed before being used to eliminate moisture and prevent it from shattering while in use. It weighs 2.98 kilograms and provides exceptional value for the money.

This 1,200-ounce crucible may be used to melt aluminum, bronze, copper, gold, platinum, and other metals. It is ideal for high-temperature metallic smelting since its life duration exceeds the same of clay cauldrons by up to eightfold. It’s suitable with propane-fueled furnaces, but it also operates in blast furnaces and electric furnaces.

Pros:

  • The crucible is composed of sodium silicate graphite, which has a better lifestyle than clay carbon fiber.
  • It may be used in a variety of furnaces, including electric, coal ovens, and kilns that burn fuel.
  • Fused silica graphite can sustain greater temperatures than mud graphite, rendering it excellent for trying to destroy at temperatures higher than 1600° C.

Cons:

  • Some points to consider while melting at elevated temperatures.
  • There is no pouring outlet.

CANALHOUT Silicon Carbide Graphite Crucibles

CANALHOUT Silicon Carbide Graphite Crucibles,Crucibles for Melting Metal,Withstand The High Temperature 1800℃(3272°F),Melting Casting Refining Aluminum Gold Silver Copper (6KG No.6)
  • APPLICATION:It is perfectly adapted to CANALHOUT Propane Melting Furnace.It can also be used in other Fuel Furnaces,Kilns Furnaces, Biological pellet furnaces, Natural gas Furnaces, Coke Ovens, Coal Stoves, etc.
  • FUNCTION:A powerful assistant for home melting. It can withstand a temperature of 1800°C and is used to smelt aluminum, gold, silver, copper, brass and other metals.

For the temperature to be kept, the charcoal would have to be heaped around the whole crucible. It will make your brain’s melting process take longer. In this scenario, the crucible must be annealed before use in order to eliminate moisture and prevent it from shattering. 

This has a tiny pouring hole on the side. Should you want a bigger outflow, the graphite may be readily filed away. The outer dimensions are 5.25 inches in length and approximately five inches tall. The inside dimensions are 3.75 mm in height and 4.75 feet in depth. That’s ideal if you need a lesser crucible because it just weighs two pounds.

Pros:

  • Made of fused silica graphite 
  • Designed for high-temperature boiling
  • It may be used in a variety of furnaces 
  • A lot of possibilities.
  • Cleaning is simple and quick 

Cons:

  • Holding a lot
  • Bottom blew out

Megacast Foundry Clay Graphite Crucible

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This Megacast cauldron is thinner and made of a mud and graphite mixture. This furnace is the perfect number for melting soft drink cans and is suitable for both precious and non-precious materials. 

The insides are strong and can withstand direct heat as well as open flame factories. They could also be utilized in propane-fueled melting ovens or with the traditional torch technique. Even though a Megacast cauldron can endure temperatures of up to 1600ºc, this is not recommended to be used in charcoal foundry. 

This could take longer than needed if you intend to use it in a charcoal furnace. For the temperature to be kept, the fuel would have to be heaped around the whole crucible.

Pros:

  • The compact size enables you to burn lesser quantities of metals while yet being big enough to accommodate a can of coke.
  • Because of its thick inner surface, it is suitable for a variety of furnaces, including electric, charcoal ovens, and fuel-burning furnaces.

Cons:

  • If it cracks while heating, it prefers to split with shooting shrapnel.

#1 1-2KG MegaCast, Foundry Clay

#1 1-2KG MegaCast, Foundry Clay Graphite Crucibles Black Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum
  • Designed for Melting Gold, Silver, Copper, Brass, Aluminum and More!
  • Outside Dimensions - 3.5" Dia. x 3.75" Length - Inside Dimensions - 2.75" Dia. x 3.25" Depth

The correct product may help or hurt your molding experience, and Mcs Supplies Company is dedicated to delighting its clients. This furnace is meant to contain three kilos of aluminum, but it may be used for melting valuable and non-precious materials as well.

Other aspects of the Pmp furnace include: It has a wide range of applications and therefore can melt elements other than aluminas, such as brass, copper, gold, and other precious metals. It is made of a mix of clay with titanium and can resist temperatures ranging from 850° to 1600ºc. This cauldron is perfect for searing, casting, and even refining.

Pros:

  • Nice design
  • Good quality crucible
  • High durability 
  • High capacity
  • Easy to use

Cons:

  • A bit sauce

Cast Masters USA Foundry Clay Graphite 5kg

Cast Masters USA - 5 Kg Foundry Clay Graphite Crucible Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum
  • CAST MASTERS 5KG Foundry Crucible
  • Outside Dimensions - 5.0" Diameter x 5.5" Length - Inside Dimensions - 4.0" Diameter x 5.0" Depth

To resist foundries that use both open flames or quickly respond ovens, the interior walls are thicker. They’re ideal for usage in propane-fueled melting furnaces, but they’re also suitable for normal torch melting procedures.

Temperatures of 800° to 1600° C may be tolerated by a clay charcoal pot. The outside measurements are five inches in length and 5 and a half inches in height. Interior dimensions ensure a four-inch width and a four height. The form is that of a rounded conical.

It is not equipped with a pouring nozzle and is intended to try to destroy such as zinc, aluminum, gold, platinum, copper, and others. If you want to go fancy, you may file graphite components to create the vent. 

Pros:

  • A thick-walled beaker can be used to melt either non-precious or precious materials in a variety of furnaces.
  • It has a 5-kilogram ability for melting large quantities of resources and is constructed of a graphite-clay combination.
  • Both hot-air ovens and ignition source foundries benefit from it.

Cons:

  • Pouring is made easier by the lack of a spout.

Buying guides – Top 10 best crucible for melting copper reviews comparison 

What factors should you take into account when melting?

Your major attention must be on the requirements of your specific operation. What are you starting to explode in your cauldron? Are you seeking the finest steel saucepan or the finest copper crucible? And for a different metal?

What kind of furnace do you have? How is it fueled? Ovens that employ fuels like coal, oil, gas, and propane can expose the crucible to the heat source directly, thus it should be designed to resist the heat reporter’s effects. Is your crucible capable of supporting a direct fire? Is it curved such that the fire reaches the base to the peak of the crucible? Is it resistant to flame corrosion?

An electric heater, on the other hand, offers uniform warmth throughout the house but is slower. Crucibles can have the shape of a basin. Ignition furnaces may utilize cylindrical crucibles to ensure consistent heating distances among furnace wires or crucibles. The following are some things to think about. When choosing a furnace, you should also think about potential power expenses.

  • Capacity of your furnace: How much metal can your furnace grasp?
  • Dimensions of the furnace: The height and form of your refractory will be determined by the size as well as the shape of the furnace, as well as whether or not you require or can utilize a refractory with a vent.
  • What metals would you like to dissolve? The first step is to determine the sort of metals you wish to melt. It will help you figure out what kind of crucible you’ll need. And what’s the highest temperature your crucible needs to withstand? What chemical reactions will the material have with the cauldron?

If you’re looking for the top 10 best crucibles for melting copper, for instance, a zirconia crucible could be a good choice due to temperature requirements and the need to prevent damage to the metal.

  • Temperatures that cause melting: To burn your metal, which temperature would you need to achieve?
  • What method will be used to charge the citadel? What kind of electricity will you use to heat your heater? Is it propane-powered, electric, or does it run on other fossil fuels?
  • The furnace will be drained in the following manner: Is a crucible with such a spout required for convenient pouring after evaporating?

Finally, think about whether you need to prevent any trace metals. You may need many crucibles, each devoted to a distinct metal. Since not every cauldron type has every function, you will have to pick and choose which features are most important to you to fulfill the needs of the specific melting process.

Things to think about before purchasing the best crucible for melting copper 

Before deciding on your good crucible, there are a few things to consider. You must first determine what qualities are required for employing the refractory in your burner. These are some of them:

  • The size & capacity of the furnace would define the majority of the features of your refractory. Knowing the metallic capacity of your oven can help you determine the metal volume of your refractory. The crucible could indeed melt more than 5 kilograms in a burner with a melting capability of 5 kilograms.
  • The sort of fuel and the technique by which your furnace is heated. A crucible would be directly exposed to a source of heat defined in Tonnes in furnaces fueled by fuels including gas, paraffin, coke, or petroleum. 
  • The crucible users choose must’ve been able to resist the highest BTUs produced by your oven, as well as a continuous burner fire at the bottom. The crucible’s composition ought to be able to withstand flame oxidation or manage temperature changes that occur both during melting.

Electrical furnaces, meanwhile, warm your crucible evenly but dissolve at a slightly slower pace. If you utilize a muffle heater, a crucible with a greater thermal situation may be preferable.

Lower frequency inducement furnaces would employ a refractory with a greater silicon carbide concentration, whereas better frequency induction burners may need a crucible with such a higher clayey soil. As a result, it’s critical to understand the sort of furnace you’ll be utilizing, as well as the melting properties, such as temperatures and maximal BTU output.

The sort of metal guys want to burn

Knowing which alloys you would like to melt can help you determine what crucible to use. The decision will be determined by the temperature required to melt the substance and the heat output that a cup can sustain for both burning and retaining the material. 

Size

Pans with high fences, for example, are thick. Thinner, porous pulverizers may deteriorate with usage, thus they are preferred. You’ll want to think about it once you’ve decided the dimensions and features of the crucible you’ll require.

Reputation

Quality reputation of the brand as well as the manufacturer: Evaluate if that is a well-known name for crucible manufacturing and whether the company has a solid reputation for product quality and customer service.

Features that are desired

You’ll need to select if you’d like a furnace with a flowing nozzle or a certain form, and you could prefer a furnace with its own set of tongs. Determine if the furnace is made of silicon carbide charcoal or clay carbon, and which substance is best for your burning application.

Product quality & durability

Throughout this situation, the name of the producer, and also customer comments, can give you an indication of the crucible’s durability.

Feedback

Consumer feedback is important. Customers’ reviews on crucibles might assist you to confirm or dispel any doubts users may have about a specific crucible. Your ultimate decision will be influenced by your budget.

FAQs about top 10 best crucible for melting copper reviews comparison

What good is a crucible if it’s not used?

The crucible was first used in antiquity. It’s a special sort of receptacle for trying to destroy or warming chemical substances.

What is the best way to temper a carbon crucible?

Warm your graphite furnace slowly at 200°B o for around twenty minutes although it is full. This is required to remove any dampness. Continue to heat at 600°A and on reduced wattage. Now heat at maximum power till the crucible is a brilliant red color.

When you’re using your crucible to melt something, keep warming it at maximum throttle until you achieve the temperatures you want. Remove the crucible from the fire and allow it to cool gradually.

Is it possible to utilize the same furnace for several metals?

To minimize contamination, it was a good idea to use multiple crucibles for various metals. You must also drain your crucible fully each time people use it. Once warmed, the metal that has remained within to harden can grow and ruin your cauldron.

Which crucible sizes do I require?

Much will be determined by the type of metal you’re melting as well as the size of the furnace. When you wish to melt steel, a typical rule to observe is to allow a gap of two or an equal to two inches here between walls of your burner and the cauldron, and also three inches beneath or above your cauldron.

Aluminum, for instance, might take up less space. The size of a furnace is generally measured in pounds of aluminum, therefore a crucible would contain three pounds of aluminum. Copper or brass has 3 times the density of aluminum. As a result, a pot can hold nine pounds of copper or brass.

Is it possible to construct your cauldron?

A crucible may be made from scratch. Firebricks, clay, carbon, steel, an old diesel generator, or an unused fire extinguisher could all be used to make crucibles. Nevertheless, you must use extreme caution because your safety is at stake.

What’s the best way to clean a ceramic graphite crucible?

Users ought to be sure to wash their furnace with hydrogen peroxide after use. Nitric acid could be used to dissolve carbon elements which can be decomposed by hydrogen peroxide. Boil diluted corrosive or nitric acids in the furnace for better outcomes if materials were always hard to remove.

What is a graphite crucible and how do I make one?

If you want to construct your primitive crucible from items you may find around the house, you’ll need to have the following components:

  • Silica sand, 300 g
  • 200 milligrams Clay with a high fire temperature

If you do have access to just one, a ceramic wheel can help you complete your project.

  1. Whereas the clay or silica grit are still dry, combine them.
  2. Slowly drizzle with just enough liquid to keep the form.
  3. Make a crucible out of the clay mixture, which might be cylindrical or spherical. It will be a lot easier if you have a pottery disc. You can, though, utilize a mold.
  4. Allow your crucible to dry.
  5. To “bake” your crucible, use charcoal, a fireplace starter, dryer ducting, and an old-fashioned dryer.
  6. Fill the base of a pipe starter with charcoal. Put the refractory in the center of the starter immediately. Charcoal should cover the whole chimney starter. Put the fireplace starter on a barbecue, bricks, or anything else that will enable you to run a dryer duct beneath it.
  7. Coal should be lit. Place the hairdryer duct beneath the embers once they’ve become brilliant red, and set the dryer on low.
  8. Add extra coals on the highest point when they’ve burnt down midway. After an hour, leave your blow dryer on. Next, for the night, just let chimney starters with the refractory inside cool it down.
  9. Your furnace ought to be ready at this point. If it has any fractures, don’t use it for melting since it will collapse.

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Conclusion

If you’re seeking the top 10 best crucible for melting copper reviews comparison, any of the 15 models we’ve evaluated are worth considering. The USA Casting Master Deluxe Set Furnace and Media is a wonderful option if you’d like a complete system with the oven, crucible, and supplies since it includes everything people need to get started. We hope that this information has assisted you in determining the appropriate crucible for particular melting requirements.

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