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This section provides an overview for electric furnaces as well as their applications and principles. Also, please take a look at the list of 39 electric furnace manufacturers and their company rankings. Here are the top-ranked electric furnace companies as of December, 2024: 1.Thermal Technology LLC, 2.Ajax Electric Co., 3.The Grieve Corporation.
Table of Contents
An electric furnace is a testing equipment used to heat, melt, or burn test specimens such as metals, glass, ceramics, and semiconductor parts by heating a built-in heater (heating element) to a high temperature inside the chamber using electrical power.
They are used for various testing purposes, including the development of new materials, chemical material analysis, combustion testing, and heat resistance testing.
The maximum temperature that can be set inside an electric furnace varies depending on the product, but generally ranges from around 1,000°C to 3,000°C.
In addition to electric furnaces with high-temperature settings, there are also vacuum furnaces that can create a near vacuum inside the chamber.
Another type is the rotary kiln, which automatically rotates the sample placed in the chamber to provide even heating. This kiln also includes a mechanism for the automatic loading and unloading of samples.
Various types of heating elements are used as heaters.
For example, iron nichrome and Kanthal wire are heating elements used for temperatures up to about 1300°C, while silicon carbide heating elements are used up to about 1500°C. Molybdenum disilicide can be used up to about 1800°C, and carbon (graphite) heaters are suitable for temperatures up to about 3000°C.
The interior of an electric furnace comprises a heater and insulation material. Additionally, a control system is incorporated to set and maintain the temperature inside the chamber.
The control system operates as follows:
First, the desired temperature is set by operating switches while monitoring the control panel. Once the temperature is set, the electric furnace's control microcomputer begins the temperature control process to reach and maintain the target temperature.
Some electric furnaces allow programming to set temperature A, maintain it for t1 hours, then set temperature B, maintain it for t2 hours, and so on.
To control the temperature inside the furnace, the control microcomputer periodically reads temperature data from the temperature sensor inside the chamber. If the current temperature is lower than the set temperature, the heater continues heating. If the current temperature exceeds the set temperature, the heater stops heating. This temperature control process is repeated to maintain the desired temperature.
Generally, the PID control method is used for precise temperature control inside the furnace.
*Including some distributors, etc.
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The Grieve Corporation is a manufacturer of industrial ovens and furnaces. Established in 1949, the company is based in Round Lake, Illinois, USA. The company's main activities involve designing and producing multiple industrial ovens and furnaces. Its product range includes electric laboratory, furnaces, continuous, inert atmosphere and clean room ovens. The company’s ovens and accessories serve industries such as food, hotel, automotive, aerospace, and electronics. The Grieve Corporation offers services like oven customization, modification, repair, accessories and technical support.
Casso-Solar Technologies was founded in 1960 and is headquartered in Nanuet, New York. The company is a manufacturer of infrared heating equipment, ovens, furnaces, dryers, and other products used in glass, synthetic fibers, and other manufacturing industries. The company manufactures industrial ovens and furnaces for specific usage types such as industrial drying, glass lamination, and infrared heating. The company also produces coolers, such as industrial cooling systems designed to reduce HVAC costs. All heaters and heating systems can be customized according to customer preferences.
Procedyne Corp. is an American manufacturer and supplier of thermal processing equipment that was established in New Brunswick, New Jersey in 1981. The company primarily produces fluid bed reactors, calciners, food processors, and dryers. It also offers heat treating furnaces, catalyst activators, waste to energy systems, and thermal cleaning equipment, as well as contract manufacturing services for unique customer projects. Procedyne mainly serves clients in the metalworking, chemical, and food processing sectors, including companies such as ExxonMobil and the Ford Motor Company.
Established in 1985, Ajax Electric Co. is a manufacturer of advanced electrical components and systems based in the USA. Ajax Electric Co. has been at the forefront of developing electrical solutions. Their products include industrial control panels, power distribution units, and automation systems, catering to sectors like manufacturing, energy, and infrastructure. With a devotion to delivering efficient solutions, Ajax Electric Co. enhances productivity and sustainability. Their unique proposition lies in combining cutting-edge technology with a deep understanding of client needs. Ajax Electric Co. stands as a partner in the electrical industry, devoted to excellence.
S.M. Engineering & Heat Treating, Inc., established in 1958 and headquartered in North Attleboro, Massachusetts, is a manufacturer and supplier of heat treating solutions. Its diverse product range includes belt furnaces for annealing and heat treating materials, multiple tube furnaces for controlled atmosphere treatment of small parts, batch furnaces for larger part heat treatment, retort pit furnaces for sealed environment processing, and atmosphere conserving furnaces to minimize volatile element loss. Specializing in metals and alloys, the company's services find applications across manufacturing, offering solutions for precise and efficient heat treatment processes.
Despatch is a manufacturer of industrial ovens and other thermal products that was established in 1902 and acquired by ITW EAE, a division of Illinois Tool Works, Inc., in 2011. Based in Minneapolis, Minnesota, the company produces benchtop and laboratory ovens, industrial cabinet ovens and furnaces, truck-in ovens, and conveyor ovens. It also offers thermal and catalytic oxidizers for managing pollutants, spare parts, and accessories such as timers or sensors. Despatch primarily serves clients in the healthcare, electronics, transportation, and material handling sectors.
Surface Combustion, Inc., established in 1915, is a manufacturer and provider of industrial heat treatment solutions headquartered in Maumee, Ohio, USA. With over 100 years of experience, they offer a diverse range of products, including batch and continuous heat treat furnaces, atmosphere and vacuum heat treat furnaces, and gas generators. The company has a manufacturing facility in Waterville, Ohio, USA, which serves industries like aerospace, automotive, oil & gas, and more. Additionally, they provide in-house technical support, a large inventory of replacement parts, and an active team of customer service engineers, ensuring quick and effective troubleshooting.
Thermacraft Inc began operations in 1971 and is headquartered, in Winston Salem, North Carolina as a subsidiary of Alloy Engineering, located in Berea, Ohio. The company is a manufacturer of thermal processing equipment that serves the aerospace, ceramics, automotive, semiconductor, and other industries. The company’s product lines include furnaces, ovens, control systems, and parts. The company works with customers to provide custom designs for industrial furnaces, ovens, and their controls specific to each customer’s industry and application.
Wisconsin Oven Corporation has operated since 1973 and is located in East Troy, Wisconsin. Wisconsin Oven designs, engineers, and manufactures industrial ovens and other heating equipment for numerous applications including heat treating, powder coating, paper pulp drying, finishing, drying, and curing in the aerospace, automotive, composite, energy, finishing, foundry, heat treating, annealing, military, and pharmaceutical industries. Types of ovens and equipment include custom and standard batch ovens, conveyor ovens, pollution control equipment, and walk-in ovens.
Electra Products, LLC was founded in 1959 and is based in Pennsylvania, United States, is a manufacturer of electrically heated industrial furnaces for various industrial applications. The company provides furnaces in various models such as box type, hardening & draw heat treat combinations, and, radiant & recirculating combos along with replacement parts such as ceramic seal, fire brick, hearth plates, heating elements, and, porcelain bushings for ferrous & non-ferrous heat treating, tool & die, ceramic & laboratory, powder metallurgy, and, thermal coatings sectors.
Cress Mfg. Co. (CMC) is a manufacturer of ceramic and glass kilns as well as electric furnaces that was founded in 1973. Based in Carson City, Nevada, the company produces various top-loading and front-loading kilns for firing ceramics or manipulating glass, industrial furnaces used for hardening steel, ventilation systems, and pyrometers for real-time temperature monitoring. CMC products have applications in the aerospace industry, machine shops, laboratory research, jewelry, pottery/glassware production. It also offers after-sales services including technical support and parts replacement.
Lucifer Furnaces has been a designer, manufacturer and supplier of heat-treating furnaces, convection ovens and quench tanks based in Warrington, Pennsylvania, since 1945. The furnace portfolio includes box, continuous, dual chamber, atmosphere, and top & bottom loading furnaces used for hardening, drawing, annealing, brazing, and sintering applications. The heat treatment equipment has varying furnace lines, chamber sizes and temperature ranges for use in metalworking, ceramic and glass manufacturing industries. The company also offers secondary services, including maintenance, consultation and testing.
Keith Company, started in 1954 and based in Pico Rivera, California, is an ISO 9001-certified manufacturer of thermal process equipment used to produce parts. Its products include furnaces, ovens, and kilns, and the company also has a spare part and a service business to provide a full range of technical services, including emergency repairs, control system modernization, and energy efficiency upgrades. The company’s dual chamber metal furnaces have an upper chamber used for hardening, which can go up to 2250°F, and a lower chamber used for tempering/aging/drawing, which can go up to 1250°F.
Upton Industries, Inc. (UI) is an American manufacturer and distributor of thermal processing furnaces and equipment that was established in 1937 in Roseville, Michigan. The company produces various furnaces, including pit-type, salt bath, batch, and other specialty models for use in a wide range of heat treatment processes. They also offer transformers, washers, and replacement parts for repair or maintenance of their portfolio products. UI products are used in the manufacturing and heat treatment processes of client companies in various industries, including in metalworking, chemical processing, and energy production.
Isotech was founded in 182 and is headquartered in Hatfield, Pennsylvania. Isotech is a manufacturer’s representative and distributor of proprietary mechanical and electromechanical products to the industrial, medical, and military OEM and in-plant markets. Some of Isotech’s products include linear slide assemblies & rail sets, shock/vibration mounts & pads, linear bushings & shafting, telescoping lifting columns, positioning stages, air bearings, gas springs/air cylinders, motorized positioning tables, laser marking cutting systems, foamed aluminum/metal/composites, stamped metal, noise control products, and belt driven actuators.
Corbett Industries, Inc., establised in 1951, and located in Waldwick, New Jersey, is a manufacturer and distributor of ovens and dryers. Their comprehensive product range includes industrial ovens, air heaters, and heating equipments. These products are vital for various industries, including oil and gas, food processing, chemicals, and ceramics, in processes such as drying, curing, baking, as well as in heat treatment, and other thermal applications specific to each industry's needs.
CIC Pittsburgh LLC, founded in 1999, is a supplier and service provider of hot galvanizing equipment and heat-treating furnaces used in construction, mining, and agriculture. The company is located in Pittsburgh, PA, and offers services, including supplying and installing new equipment, inspections, upgrades, and repairs. They also provide supporting equipment for furnaces enclosures, rack handling, and gas heat recovery. The establishment is a member of the Forging Industry, American Galvanizers, and the Association for Iron & Steel Technology.
Miwa Mfg Co., Ltd. established in 1980 and based in Osaka, Japan, is an ISO 9001 certified manufacturer and supplier of vacuum-type glove boxes and associated equipment. The company's product range includes Vacuum-type glove boxes, purge-type glove boxes, gas recycle purification systems, clean ovens, and high-frequency induction heaters. These products are used in various industrial processes that require controlled environments and specific temperature or purification conditions. They serve industries such as pharmaceuticals, electronics, research laboratories, and specialized manufacturing. Additionally, the company provides services like equipment customization, maintenance support, training, and technical consultation.
NIPPON STEEL ENGINEERING CO. LTD., established in 1974 and based in Shinagawa, Tokyo, is a manufacturer of industrial plant equipment and steel products. The company engineers and produces equipment for industrial plants such as gas turbines, blast furnaces, and robots for automated lines. Its steel products and materials include steel pipes, welded steel frames, and composite deck slabs. The company also offers R&D, construction, and engineering services for manufacturing facilities, waste-to-energy plants, and clients in the civil engineering sector.
Meta Therm Furnace Private Limited is a manufacturer of industrial machinery and heavy-duty engineering solutions. Established in 1985, the company is based in Mumbai, Maharashtra, India. The company's main activities encompass designing and manufacturing oil, gas and electric furnaces, ovens, infra-red electric glass kilns and construction machinery. Its product range includes furnaces such as glass, brass melting, high temperature, crucible, chamber and heat treatment furnaces, as well as industrial ovens, and incinerators. The company serves sectors such as metalworking, ceramics, and automotive. Meta Therm offers services like furnace customization and installation.
Custom Thermal Applications established in Brampton, Ontario, in 1986 is a manufacturer of retrofit combustion systems for industrial process heating. Their product range and services include heat-treating ovens, paint-drying ovens, ovens, and other cooking equipment for the food processing industry, burn-off ovens, paint-stripping ovens, and thermal oxidizers. The company affiliated with ProTherm Ltd., a process combustion and HVAC servicing company that installs and services equipment designed and marketed by Custom Thermal Applications.
SCHWING Technologies, founded in Neukirchen-Vluyn, NRW, in 1969 is a manufacturer of thermal cleaning technologies for the removal of polymers and organic contaminations from metal tools and machine parts. The company's product portfolio includes the (thermal) cleaning of metal parts and tools, thermo-chemical gas-solids reactions in variable atmospheres up to 1100 °C, especially efficient heat treatment of metals and calibration of temperature sensors and thermal instruments. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation.
SECO/WARWICK Group, founded in 1984, is a manufacturer and supplier of new and second-hand vacuum, atmosphere, and aluminum furnaces used in the automotive, power, and aviation industries. The company, based in Świebodzin, Poland, is a joint venture with Trans-Vac but has acquired other firms, including Retech, Camlaw, and Elterma. The group uses commercial heat treatment processes such as Controlled Atmosphere Brazing of Aluminium (CAB) to manufacture industrial heat exchangers for use in the automotive, engineering, electronics, and energy industries. They also use supply vacuum metallurgy technologies and equipment for aerospace, nuclear, medical, energy, and defense.
HeatTek Inc. is a manufacturer and supplier of industrial heating and cooling equipment. Established in 2000, the company is based in Ixonia, Wisconsin, USA. The company specializes in designing and producing equipment such as Conveyor Ovens, Batch Ovens, Furnaces, Resin Coatings Systems and Washers. Part of its product range includes batch ovens, conveyor furnaces, and quench tanks, serving industries such as metal packaging, electric motor and transformer, manufacturing, aerospace and automotive. HeatTek offers services like oven balancing and optimization, VPI system maintenance, combustion safety audits, VPI system certifications and repairs and support.
Carbolite Gero Ltd., established in 1982, is a manufacturer of high-temperature furnaces and ovens from 30°C to 3000°C with a specialization in vacuum and unique atmosphere technology. The furnaces are chamber, tube, and vacuum furnaces; more products include ovens, asphalt binder analyzers, and controllers. The Derbyshire, United Kingdom, company offers custom-designed furnaces and ovens for continuous heat treatment. The furnaces have heating applications in aerospace, ceramics, electronics, material research, and medical device industries.
JPW Industrial Ovens & Furnaces was founded in 2004 and is based in Williamsport, Pennsylvania, U.S.A, is a manufacturer of industrial ovens and furnaces for various industrial applications. The company provides different types of ovens such as cabinet & custom, continuous process, heat treating, lab & bench, and walk-in models along with offering the associated replacement parts, installation, maintenance, customization, and repair services as well as product designing, prototyping, welding, and assembling facilities for aerospace, food, general machinery manufacturing, research, and small entrepreneurs sectors.
Lindberg/MPH, established in Riverside, Michigan in 1912, is a manufacturer of Heat Treat Furnaces and Non-Ferrous Melting & Holding Furnaces. Their product portfolio includes Vacuum Heat Treat Furnaces, Gas and Electric Furnaces, Industrial Box Furnaces, Integral Quench Furnaces, as well as Pit Furnaces that are used in thermal processing and heat treatment for industrial applications. The company serves industries including Aerospace, Automotive and Transportation, Energy and Power Generation, and Metalworking.
L & L Special Furnace Co., Inc., Aston, PA in 1946 is a manufacturer of industrial furnaces, quench tanks and heat treating systems. Their product portfolio includes batch furnaces, continuous furnaces, quench tanks with precise temperature control and agitation systems, for ensuring the quenching of heated materials, heat treating systems, and Custom Heat Treatment Equipment.The company serves markets such as Manufacturing and Metalworking, Oil and Gas, Power Generation and Tool and Die.
HENGLI Eletek Co. Ltd., established in 1992 and based in Hefei, Anhui, China, is an ISO 9001 and EU CE compliant manufacturer of industrial electric heating equipment. The company’s product lineup includes electric heating furnaces for manufacturing processes requiring precise temperature control, and lithium battery production equipment for the electric car and alternative energy industries. It also offers system integration services for customers with existing facilities. The company serves clients in the green energy, automotive, and electric car industries.
J R Furnace & Ovens Pvt Ltd, a company founded in 1987, based in Chennai, India, is a manufacturer and supplier of industrial furnace and ovens. The company offers various products such as bogie hearth furnaces, chamber furnaces, continuous furnaces, batch furnaces, pit furnaces, and fuel fired furnaces. These products are used for different heat treatment applications such as hardening, tempering, annealing, carburizing, solutioning, and ageing. It also offers customer services that include technical support, catalog request, and customized solutions.
Agnee Engineering was founded in 2006 and is based in Mumbai, India, and is a manufacturer and supplier of heat treatment furnaces and industrial ovens for various applications. The company provides furnaces in different models such as fluid bed, industrial non-ferrous melting & rotary hearth, chamber, conveyorized, and vacuum models along with industrial heavy-duty vacuum ovens, electric chamber kilns, annealing furnaces, and, thermal incinerators for ferrous and non-ferrous heat treating, tool and die manufacturing, ceramic, powder metallurgy, and, thermal coatings sectors.
XIAN HANI TECH CO., LTD, established in China in 2003, is a manufacturer and supplier in the field of steel rolling mill machinery. Specializing in rolling mill equipment and accessories, the product range encompasses various components vital to steel production processes, such as rolling mills, rolling mill stands, and associated machinery. The company plays a pivotal role in the global steel manufacturing, offering advanced solutions for efficient steel manufacturing. It serves as an important partner for steel producers worldwide, contributing to the advancement of the steel manufacturing sector.
Mino Ceramic Co. Ltd., a company founded in 1918 and headquartered in Gifu, Japan, is a manufacturer and supplier specializing in ceramics. The company's product portfolio includes shaped refractories, batch furnaces, and the Toughcon series. These products find applications in various sectors, including cement manufacturing, renewable energy production, and iron and steel production. The company maintains ISO 9001 certification for its quality management system. Additionally, it offers services including technical support, installation assistance, and product customization upon request.
Medline Scientific Limited., founded in 1992 and headquartered in Oxfordshire, United Kingdom, is a supplier and distributor of scientific equipment and laboratory consumables. The company's product portfolio includes analytical balances, biohazard bags, cryogenic freezers, flammable storage cabinets, and other scientific equipment. These products find applications in various industries, including healthcare, industrial, life sciences, biotechnology, and food and beverage. The company provides services including preventative maintenance, calibration, technical support, and refrigeration storage solutions. The company is certified with ISO 9001 and ISO 14001, and it represents brands such as Sonics, Genlab, Priorclave, Hanna Instruments, and others.
Saunders Foundry Supply, Inc., located in Cold Spring New York, is a supplier specializing in precision casting furnaces, equipment and supplies. The company’s product portfolio includes custom and standard wax melting tanks, burn-out furnaces, metal melting furnaces, refractories and safety clothing. They also serve related industries such as art casting, architectural restoration, concrete casting and precious metals recovery. Saunders supports a wide array of applications in various sectors including art schools, and aerospace agencies, serving a global clientele.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Thermal Technology LLC |
8.4%
|
| 2 | Ajax Electric Co. |
7.5%
|
| 3 | The Grieve Corporation |
6.4%
|
| 4 | Casso-Solar Technologies LLC. |
5.7%
|
| 5 | S.M. Engineering & Heat Treating, Inc. |
4.8%
|
| 6 | Procedyne Corp. |
4.8%
|
| 7 | Lab-Temp By Thermcraft, Inc. |
3.8%
|
| 8 | Cress Mfg. Co. |
3.6%
|
| 9 | Electra Products, LLC |
3.4%
|
| 10 | Surface Combustion, Inc. |
3.4%
|
Derivation Method
The ranking is calculated based on the click share within the electric furnace page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
19 | 61.3% |
|
Japan
|
3 | 9.7% |
|
India
|
3 | 9.7% |
|
China
|
2 | 6.5% |
|
Canada
|
1 | 3.2% |
|
Germany
|
1 | 3.2% |
|
Poland
|
1 | 3.2% |
|
United Kingdom
|
1 | 3.2% |
327 products found - Page 3
327 products - Page 3
Verder Scientific Co., Ltd.
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This device is a heat block equipped with a surface thermometer.
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