Gold Melting Oven

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    Top Gold Melting Oven

    Superbmelt gold melting oven is designed for melting ferrous and nonferrous metals. The gold melting equipment by Superbmelt is suitable for melting about 1kg to 250kg of metals such as gold, silver, copper, aluminium, platinum, palladium, stainless steel, etc. The maximum melting temperature required for melting in Superbmelt gold melting kit is between 1600 degrees celsius to 2800 degrees celsius.

    Superbmelt gold melting oven is equipped with an IGBT induction heating technology that makes the melting process efficient, fast, cost-saving and energy-saving. The electromagnetic stirring system helps to maintain a uniform consistency in molten metal.

    Superbmelt gold melting equipment is used in steel production, scrap metal foundries, jewellery production, research, personalized melting, etc. Contact Superbmelt for the best gold melting oven.

    Superbmelt Gold Melting Oven list

    induction melting furnace

    Superbmelt mini melting furnace is designed for melting metals such as gold, silver, copper, etc. The mini furnace is able to melt 2kg of these metals within 2 minutes. The melting temperature is 1600 degrees celsius with a maximum power requirement of 3.5kw. The mini gold melting oven is compact in size and easy to transport. It is applicable for personalized melting, jewellery casting and recycling, laboratory research, etc. 


    induction melting furnace

    The integrated gold melting equipment is used for melting up to 6kg of metals such as gold, silver, copper, etc in 4 minutes. It has a melting temperature is 1800 degrees celsius. The induction heating technology ensures a fast-melting process and wheels for easy transport. The power required for melting is about 15kw to 25kw. The integrated melting furnace is used in foundries, jewellery making and recycling, precious metal mining, etc


    induction melting furnace

    The integrated manual gold melting oven is designed to melt 12kg of metals within 5 minutes. It has a high melting temperature of 2800 degrees celsius suitable for melting platinum, palladium and other high-temperature metals. The melting furnace has a titling device that makes the process of molten metal removal easy. The maximum power required is 15kw. The furnace performs continuous melting for long hours. It is suitable for use in jewellery making and recycling, precious metal foundries, etc.



    The split melting furnace is suitable for melting 30kg of precious metals and base metals within 8 minutes. The furnace melts metals at the temperature of 1800 degrees celsius. The maximum power required for melting is between 25kw to 35kw. The melting chamber is designed with a tilting device that makes the process of molten metal safe and easy. The split manual furnace is used in steel production, precious metal mining, etc.


    induction melting furnace

    The chain tilting melting oven is used for melting metals weighing 50kg. Metals that can be melted with this furnace are gold, silver, iron, copper, etc. The induction heating system saves energy use when melting. The melting chamber has a chain tilting device that makes molten metal removal safe and easy. The machine is able to melt continuously for long hours. It is applicable for use in mining, steel production foundries, etc. 


    induction melting- furnace

    The motor gold melting furnace is used for industrial applications due to its large melting capacity. The furnace is able to melt up to 100kg of ferrous and nonferrous metals. The maximum melting temperature is between 15kw to 160kw. The melting chamber is designed with a tilting device that makes large removal of melting metal easy. The electromagnetic stirring function ensures the homogeneity of molten metal. It is applicable in steel foundries, etc.


    induction melting-furnace-

    The hydraulic gold melting oven is designed to melt up to 250kg of ferrous and nonferrous metals. The maximum power required for an effective melting process is between 15kw to 160kw within a short time. The induction heating technology saves energy use and improves melting efficiency. The melting chamber is designed for the easy removal of molten metal. The hydraulic melting pot is used in foundries, steel production, scrap recycling, etc.


    Why You Could Choose Superbmelt

    2 years warranty

    The warranty for our machine is one year longer than the warranty provided by other factories.

    ISO CE SGS approved

    Professional certification bodies certify that the machines are of high quality.

    Strong service team

    We will give response within 24 hours against your problem by our professional engineer.

    1. What are the application fields of the gold melting oven?

    The gold melting oven is designed to typically melt up to 10 to 12kg gold. But it is also ideal for melting and producing alloys out of an extensive number of metals. Some precious metals that are suitable for melting in the gold melting oven are silver, copper, palladium, etc. Metals can either be ferrous or non-ferrous. But to produce something out of them, metals are required to get melted first.

    Therefore, commercial operators, especially jewelry shop owners and manufacturers, use the gold melting furnace to achieve speedy melting of precious jewelry that can occur within two to four minutes. The melting oven is used for removing impurities from the metals in their molten state through a separation process that uses oxidants.

    The production of an alloy is also possible due to the melting oven through combing two metals and a non-metal element to create metals with all the properties of an alloy. Industrial operators also use melting ovens of different sizes that can accommodate a large ton of metals at once.

    2. How to smelt gold and silver nowadays?

    Both gold and silver are generally extracted from the same ores. Therefore, their chemical properties are quite similar, making it hard to separate them. Traditionally, an industrial operator uses a gold melting machine to smelt the ore at high pressure, heat, and various chemicals such as flux to separate the respective precious metals from their impurities.

    But in this modern period, two widely applied processes, i.e., the Miller process and the Wohlwill process, are utilized as the smelting method to separate gold, silver, and platinum. While the Miller process use chlorination, the Wohlwill process use electrolysis respectively to remove impurities and extract various precious metals.

    Miller’s process is quick yet uncomplicated, producing up to 99.5% pure gold, while through the Wohlwill process, the smelting enhances the purity rate by 99.99%, restoring precious metals up to their highly pure metallic state.

    3. How to choose the right gold melting oven?

    There are various factors you need to take into consideration while choosing a gold melting oven that could meet your melting requirements. First, you need to establish the nature of the application, whether it’s for commercial use, industrial use, or laboratory research requirements. The gold melting machine price would vary according to the machine’s capacity and the furnace type. While selecting the gold melting oven, keep the below aspects in mind:

    • Quality of the furnace type

    The furnace of the melting oven has a specific heat-inducing limit. Thus, you must be aware of the melting points of various precious metals which you are most likely to melt. So you can ensure that the gold melting machine would produce enough heat for your work. The quality of the furnace is an important aspect when you are choosing a melting oven.

    You can find various types of induction melting furnaces such as induction, the crucible, cupola, and electric arc furnaces, etc. The quality of induction matters for a gold melting oven to give you a high-quality metal melting experience. Make sure to look for features like short melting duration, energy efficiency, cooling system, and 24 hours working capacity of the furnace while being eco-friendly.

    • Check the melting capacity and energy needs

    The size of the induction furnace is also essential to establish if it’s suitable for your needs. The capacity of the metal furnace would determine if you can melt large tons of metals or a small number of metals. While a large capacity induction melting furnace can melt large kilograms of metals, mini induction melting furnace would be ideal for melting a smaller capacity of metals. Also, keep note of how much energy supply the gold melting equipment would require to keep it running.

    4. How do you smelt jewelry with borax?

    Various different techniques are used for melting gold, and borax is one of the very common substances that is used to melt gold effectively. While professionals use gold smelting equipment for commercial use, utilizing borax, you can melt your old and unused gold jewelry to reduce the clutter in your jewelry box. You can choose a secure and well-ventilated area in your home to melt your gold and produce various accessories or decorative items.

    Use a dish made of refractories and place a piece of charcoal on it. Remove some charcoal from the middle to form a bowl-like structure and fit your gold object into it. Now you can use a propane torch to move the flame over the gold and wait until gold turns red-hot. Then sprinkle a little amount of borax onto the molten gold piece to prepare it for smelting.

    As you raise the heat of the propane torch, the gold would start melting. First, the piece would appear orange, then have a green tint to it when the piece of precious metal would start reaching its melting point. Once the smelting completes, all the pure gold particles would gather together in a bright ball. The heating action triggers borax to melt and lower the melting point of the gold.

    5. What is borax used for in melting gold?

    Most operators who deal with gold substances have used borax or other fluxes to melt gold concentrates. All the impurities, such as other minerals and other mixed metal elements, can be melted or become thinner with the application of borax. Although for commercial or research purposes, professionals use a gold induction furnace to melt gold at home in a well-ventilated area, the most common substance used is borax.

    Borax helps with dissolving Oxides and other impurities and form a fluid borate slag that gets collected on the surface of molten gold. It easily separates the melted mineral, molten glass slag, and molten gold. Then the clay rod or carbon graphite is used to periodically remove the borate slag in a periodical manner. You would require at least two pinches of borax or other flux to melt an ounce of gold jewelry.

    6. How much gold is lost when melted?

    The loss of gold when melted varies from one industrial use to another. But generally, when the gold ore or coins are melted, not much of gold weight is lost through the melting process. But if the gold object is sawed or filled, then it can lose up to 8-12% of gold. So, it’s wise to confirm the gold quantity in grams if you are giving any gold jewelry for reconstruction. But in general, if you melt 24 karat gold, you would not lose any gold in the process.

    In the smelting and refining process, the lost percentage can increase due to the composition of the alloy in the metal. If you are to refine 18k gold to achieve 24k pure gold, you might lose 25% of its quantity. Pawnshops and jewelry stores mostly use gold smelting equipment to recycle outdated or broken jewelry or scrap gold by melting them all down. In the case of the volatilization process, the loss of gold can rise with the rise of temperature.

    7. At what heat does jewelry melt?

    Metals have a high melting point in general. Gold ores turn to liquid at the temperature of 1064 degrees Celsius, more than 1947 degrees Fahrenheit, and around 1337.33 in Kelvin. 1979 degrees  Celsius would be the maximum flame temperature that is obtained by propane gas can melt pure gold and gold alloys faster. All these measured temperatures are appropriate for melting the pure form of gold, i.e., 24 karat gold.

    Torches such as butane torches, propane torches, and oxy-acetylene torches are all suitable for achieving faster melting of gold. While propane torch can manage to produce temperature up to 3600 degrees Fahrenheit, butane torch can withstand the temperature of 2500 degrees Fahrenheit. These high temperatures are also produced by a gold and silver melting furnace that can melt the object instantly.

    8. How fast can gold jewelry melt?

    The gold melting oven can produce temperatures as low as 100 degrees Celsius and can raise the temperature as high as 3000 degrees Celsius. But to melt the gold faster, there is no button to increase the melting speed; it’s all about increasing the temperature and heat transfer. So when you increase the temperature in your melting furnace high above the metal’s melting point, the metal would start melting faster.

    In the gold and silver melting machine, the gold can melt within two to four minutes. You can use various fluxes to decrease the melting point of the metal to achieve a quicker result. The melting point of gold is 1064 degrees Celsius or 1943 degrees Fahrenheit. However, if you are to melt other precious metals, make sure to keep in mind their melting point to use the machine up to your preference.

    9. What temperature can the induction gold melting oven reach?

    The induction gold melting oven can have a temperature limit from 100 degrees Celsius to 3000 degrees Celsius. Generally, the induction furnaces don’t have any temperature limit, but the refractories that contain the metal object have their temperature limitation.

    The temperature of a gold induction furnace, along with a graphite crucible, can reach the maximum temperature of 1600 degrees Celsius, which is very appropriate for smelting gold or silver jewelry. For Platinum group metals, the temperature could typically reach up to 3300 degrees Fahrenheit. In the case of a SuperbMelt induction melting furnace, the heating temperature can reach up to 2000 degrees Celsius to melt every kind of furnace easily.

    10. How does an induction gold melting oven work?

    Unlike the traditional methods, the modern induction melting technique offers an extensive number of benefits for casting gold. It is an environment-friendly technology that does not induce any harmful emissions into the atmosphere, as it generates heat through alternating magnetic current into graphite or SIC crucible. All the heat generated is used within the furnace to achieve high-quality melting.

    The electric gold smelter uses an electromagnetic stirring system that causes the melted metal to have even consistency. The electric gold smelter uses a crucible on which the gold should be placed. The crucible should also be placed upon a fireproof surface. The machine can also use a propane or butane torch that is directed towards the gold within the crucible. You may also use any flux, such as adding chemical borax to the gold to reduce the melting point of the gold, thereby fastening the melting process.

    11. What can I use as a crucible?

    Crucible is a refractory material that is used for melting and calcining a substance, which requires high degrees of heat. As a refractory object, it should also be made from refractory materials that are highly resistant to temperatures. Thus, the crucible should be made off such materials that have a higher melting point than the object that has to be melted in the gold melting oven.

    Typically the crucibles are made from porcelain, alumina, or any inert metals that are high temperature-resistant. There are two types of crucible the induction furnace uses, i.e., quartz crucible and graphite crucible. If you are to melt any metal at less than 1600 degrees Celsius, using a graphite crucible is suitable. But if you want to melt any metal above 1600 degrees Celsius, you can use a quartz crucible.

    12. Can you Melt gold and silver off electronics?

    Precious metals such as gold and silver can be melted off electronics in many easy processes. Since the chemicals used in such processes are quite dangerous for application without prior experience, one should remove valuable gold from unused electronics with the right amount of knowledge, tools, and equipment.

    Chemicals such as nitric acid should be handled with adequate protective tools such as gloves, goggles, glass apparatus, gas masks, and respirators, etc. And the process should be conducted in a well-ventilated area or better at outside areas. You can use portable gold smelting equipment for more convenience.

    For extracting gold and silver off unused electronics, break them into small pieces and place them in a glass container that is high temperature-resistant. Then pour concentrated nitric acid into the glass container that can produce burning fumes out of it. You can separate the plastic and metal fluids from the gold particles that can’t be melted with nitric acid easily.

    13. How much borax is required to melt gold?

    Flux is a common substance that is used in the gold smelting process to remove impurities from precious metals. It is mixed with the gold in the machine to melt gold before the melting process starts. Generally, it is a mixture of borax and sodium carbonate. Although, about two pinches of borax or flux is sufficient for a single ounce of gold jewelry.

    But if the gold is very impure, you would require more flux. The flux mixture can have various different formulas to it other than borax and sodium carbonate mixture such as baking soda or sodium carbonate. The flux works on holding the fine gold particles together and removes impure materials when the gold is heated.

    14. Can I get 9999 gold from your gold melting oven?

    No. The 9999 mark on gold substances represents that they are refined gold with few impurities. This means the gold is 99.99% pure. Similarly, 9167 gold represents the gold to be 91.67% pure. It serves as the first type of measurement for gold, while the second one is Karat. The electric gold smelter is usually used for processing gold, silver, platinum, and many more precious metals.

    Since its advanced technologies enhance the rate of metal recovery and lower the processing costs in the production process, the professionals invest in purchasing gold smelting furnace for sale. If the gold is refined further after smelting in the furnace, the gold melting oven can produce purified gold.

    15. How do you get gold from gold ore?

    In order to extract gold from its ore, the ore requires to undergo the smelting process. This process is mostly utilized by industrial operators who invest in large-sized gold smelting furnace for sale. They place the ore in the induction furnace upon the crucible with the addition of a flux mixture.

    While the crucible is responsible for resisting a high amount of temperature, i.e., double-time higher than the melting point of the gold ore, the flux is responsible for reducing the melting point of gold to quickly and easily extract gold from its ore along with removing the impurities out of the pure gold.

    After that, the gold induction furnace is again heated at 1149 degrees Celsius temperature. When the smelting is completed, the remaining gold and impurities flow up from the base of the crucible. You can remove the slag and pour the melted gold into a mold, i.e., referred to as dore bars.  

    16. How do you melt gold dust?

    People can have trouble smelting gold dust. But there are many tips and tricks to do it properly without wasting much gold dust, especially with a gold furnace machine. You can use a crucible for melting gold dust on the furnace, but first, rub some borax on the inside surface of the crucible before adding gold dust. Then use a mixture of borax and sodium carbonate flux that can help with melting gold dust.

    You should prepare a mold hold and oil or preheat them before pouring the melted gold into it. To give it some shine, you can use some ammonium chloride on gold after pouring them into the mold. If you are working with a propane torch, you should be careful to bring down the torch so you would not blow the dust around in the crucible. Hold the flame above the gold dust and slowly move it in a circular motion.

    17. How do you smelt gold jewelry?

    The smelting technique generally involves the application of heat on gold objects. Typically, the smelting process requires a lot of energy to remove impurity and other precious elements out of gold jewelry. You can use an electric gold smelter to get effective results. Use a crucible container made from high heat resistant clay or graphite carbon which can withstand extremely high temperature; since the melting point of gold is about 1943 degrees Fahrenheit, you would require to apply high temperature and energy.

    Place the gold jewelry on the crucible with a mix of flux to achieve more energy efficiency. Once the melting starts, the flux would help the fine gold particles keeping in close intact. You can also use propane, butane, or oxygen-acetylene torch to melt down the gold jewelry.

    18. What flux do you use to melt gold jewelry?

    Mixing flux while melting gold jewelry on a gold or silver melting furnace can effectively draw out impurities, prevent fire scale, and deoxidize the materials. The flux mixture can be derived from various ingredients. The most common component for flux is anhydrous borax that removes impurities and keeps the gold material liquefied to achieve easy pouring.

    Soda Ash can recover the gold from black sands and bench grinds, which is generally used as a flux thinner. Potassium carbonate is another ideal ingredient to melt and refine gold and other precious metals. Manganese dioxide, silica flour, fluorspar, boric acid, etc., are some of the flux ingredients that are used for melting and purifying gold jewelry. Typically, commercial users use gold and silver melting equipment to get more advantage.  

    19. What is the difference between an electric arc furnace and an induction furnace?

    Both electric arc furnaces and induction furnaces are suitable for melting metal and ore, but they use different mechanisms. The arc furnace uses an electric arc generated via an electrified electrode, and the induction furnace uses an electrified induction coil for smelting or melting purposes. Commercial, industrial, and research sectors utilize electric silver melting furnace and gold induction furnace to smelt a wide range of precious metals.

    An induction furnace can provide faster heating than an arc furnace. Arc furnace can remove sulfur, phosphorus, and deoxidation more effectively than an induction furnace. The induction furnace produces cold slag, but the arc furnace produces hot slag. While induction furnaces are more suitable for smaller amounts of smelting applications, electric arc furnaces are appropriate for large-scale precious metal purification.  

    20. How do you know if it is real gold?

    There are many kinds of testing processes to recognize the real gold that you can utilize at home. You can take a piece of unglazed porcelain to rub it against the gold item; if you see any blackened streaks, it’s fake. As a heavy metal, in the water test, if a gold item floats instead of sinking, then it’s not real gold. If you drop a few vinegar drops on the gold item, the real gold will not show any alteration in color.

    All these domestic techniques can damage the gold item; thus, you should take professionals to help to detect the real gold. Some gold jewelry can also have impurities in them. If you want to extract pure gold and separate other precious metals, you can use the gold melting oven to securely complete the melting process.

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