# Technology: heat treatment (annealing, solution treatment, ageing, brazing) > A picture of the supply market – not a commercial recommendation. - Customer links: wire rod and wire, shape foundry, cables and conductors, nickel alloys – melting and processing, metal user - technology suppliers: 11 - Confirmed metals: copper (2), aluminium (10), silver (1), gold (1) - Data as of: 2026-10-21, version 2.32 - Page: https://ai-waw.com/en/companies/technology/obrobka-cieplna - JSON: https://ai-waw.com/en/companies/technology/obrobka-cieplna.json - All processes: https://ai-waw.com/en/companies/technology.md ## Technology classes of the process - billet and slab homogenising furnace (furnaces and heat treatment) - bell-type coil annealing furnace (furnaces and heat treatment) - chamber annealing and ageing furnace (furnaces and heat treatment) - continuous strip annealing line (furnaces and heat treatment) - solution heat treatment and quenching furnace (furnaces and heat treatment) - vacuum furnace (heat treatment, brazing) (furnaces and heat treatment) - controlled-atmosphere brazing furnace (CAB) (furnaces and heat treatment) ## Suppliers ### [COIM S.r.l. Costruzioni Impianti e Montaggi Industriali](https://ai-waw.com/en/companies/coim-s-r-l-costruzioni-impianti-e-montaggi-industriali.md) – Italy | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | billet and slab homogenising furnace | Castelcovati – design and manufacture of gas-fired billet heaters and heat treatment furnaces for extruded products (Castelcovati, IT) | aluminium | ingot | confirmed | [B] Company website – product page for aluminium heat treatment furnaces, ingot homogenising furnaces (coimsrl.net), 2026-10-20 – https://www.coimsrl.net/product/thermal-treatment-ovens-aluminium.html | | chamber annealing and ageing furnace | Castelcovati – design and manufacture of gas-fired billet heaters and heat treatment furnaces for extruded products (Castelcovati, IT) | aluminium | rod, tube, profile | confirmed | [B] Company website – product page for aluminium heat treatment furnaces (coimsrl.net), 2026-10-20 – https://www.coimsrl.net/product/thermal-treatment-ovens-aluminium.html | | solution heat treatment and quenching furnace | Castelcovati – design and manufacture of gas-fired billet heaters and heat treatment furnaces for extruded products (Castelcovati, IT) | aluminium | rod, tube, profile | confirmed | [B] Company website – product page for aluminium heat treatment furnaces (coimsrl.net), 2026-10-20 – https://www.coimsrl.net/product/thermal-treatment-ovens-aluminium.html | ### [Cometal Engineering S.p.A.](https://ai-waw.com/en/companies/cometal-engineering-s-p-a.md) – Italy | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | billet and slab homogenising furnace | Montichiari – registered office; design and manufacture of aluminium extrusion lines and ingot foundries (Montichiari, IT) | – | ingot | general scope | [B] Company website – foundry: melting and holding furnaces, ingot casting line, homogenisation (cometaleng.eu), 2026-10-20 – https://www.cometaleng.eu/foundry | ### [Danieli Centro Combustion S.p.A.](https://ai-waw.com/en/companies/danieli-centro-combustion-s-p-a.md) – Italy | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | billet and slab homogenising furnace | Pianezza – office of Danieli Olivotto Ferrè (aluminium melting and heat treatment furnaces) (Pianezza, IT) | aluminium | ingot | confirmed | [B] Danieli Centro Combustion website – page on heating and heat treatment furnaces for aluminium (danielicentrocombustion.it), 2026-10-20 – https://www.danielicentrocombustion.it/sito/aluminium-heating.html | | chamber annealing and ageing furnace | Pianezza – office of Danieli Olivotto Ferrè (aluminium melting and heat treatment furnaces) (Pianezza, IT) | aluminium | strip, foil | confirmed | [B] Danieli Centro Combustion website – page on heating and heat treatment furnaces for aluminium (coils and foils) (danielicentrocombustion.it), 2026-10-20 – https://www.danielicentrocombustion.it/sito/aluminium-heating.html | ### [EBNER Industrieofenbau GmbH](https://ai-waw.com/en/companies/ebner-industrieofenbau-gmbh.md) – Austria | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | bell-type coil annealing furnace | Leonding – design and manufacture of heat treatment furnaces (Leonding, AT) | copper, silver, gold | strip, wire, tube | confirmed | [B] Company website – page on HICON/H2 bell-type furnaces for copper and its alloys (ebner.cc), 2026-10-20 – https://www.ebner.cc/en/bell-annealer-for-wire-coils-of-copper-base-metal-en | | chamber annealing and ageing furnace | Leonding – design and manufacture of heat treatment furnaces (Leonding, AT) | aluminium | strip, foil | confirmed | [B] Company website – page on HICON chamber furnaces for aluminium strip and foil coils (ebner.cc), 2026-10-20 – https://www.ebner.cc/en/batch-type-furnace-for-strip-and-foil-coils-en | | continuous strip annealing line | Leonding – design and manufacture of heat treatment furnaces (Leonding, AT) | copper | strip | confirmed | [B] Company website – page on HICON/H2 bright annealing lines for copper strip (ebner.cc), 2026-10-20 – https://www.ebner.cc/en/bright-annealing-line-for-strip-cbm-en | | solution heat treatment and quenching furnace | Leonding – design and manufacture of heat treatment furnaces (Leonding, AT) | aluminium | strip | confirmed | [B] Company website – page on HICON air-cushion furnaces for aluminium strip (ebner.cc), 2026-10-20 – https://www.ebner.cc/en/floater-furnaces-for-strip-and-foil-alu-en | ### [Gautschi Engineering GmbH](https://ai-waw.com/en/companies/gautschi-engineering-gmbh.md) – Austria | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | billet and slab homogenising furnace | Ranshofen – design of aluminium casthouse equipment and vertical DC casting at the Casthouse (R)Evolution Center (Ranshofen, AT) | – | – | general scope | [B] Company website – page on heat treatment plants (pusher and chamber furnaces, ingot homogenisation) (gautschi.cc), 2026-10-20 – https://www.gautschi.cc/heat-treatment-plants/ | | chamber annealing and ageing furnace | Ranshofen – design of aluminium casthouse equipment and vertical DC casting at the Casthouse (R)Evolution Center (Ranshofen, AT) | aluminium | strip | confirmed | [B] Gautschi Engineering press release of 09.09.2024 on a furnace for heat treatment of aluminium coils for Alcomet (gautschi.cc), 2024-09-09 – https://www.gautschi.cc/new-heat-treatment-plant-for-alcomet-in-bulgaria/ | ### [Hertwich Engineering GmbH](https://ai-waw.com/en/companies/hertwich-engineering-gmbh.md) – Austria | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | billet and slab homogenising furnace | Braunau am Inn – design and supply of melting furnaces, casting machines and homogenising furnaces for aluminium foundries (Braunau am Inn, AT) | aluminium | ingot | confirmed | [B] Company website – page on aluminium ingot homogenising plants (hertwich.com), 2026-10-20 – https://www.hertwich.com/products/homogenizing | ### [LOI Thermprocess GmbH](https://ai-waw.com/en/companies/loi-thermprocess-gmbh.md) – Germany | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | chamber annealing and ageing furnace | Duisburg – design of industrial furnaces and heat treatment lines (Duisburg, DE) | aluminium | foil | confirmed | [B] Group website – page on the FAL chamber annealing furnace for aluminium foil (tenova.com), 2026-10-20 – https://tenova.com/technologies/aluminium-foil-annealing-furnace-fal | | solution heat treatment and quenching furnace | Duisburg – design of industrial furnaces and heat treatment lines (Duisburg, DE) | aluminium | casting | confirmed | [B] Group website – page on the heat treatment line for aluminium castings (tenova.com), 2026-10-20 – https://tenova.com/technologies/heat-treatment-lines-cast-aluminium-parts | ### [Otto Junker Gesellschaft mit beschränkter Haftung](https://ai-waw.com/en/companies/otto-junker-gesellschaft-mit-beschrankter-haftung.md) – Germany | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | chamber annealing and ageing furnace | Simmerath-Lammersdorf – design and manufacture of induction furnaces and heat treatment equipment (Simmerath, DE) | aluminium | strip, foil | confirmed | [B] Company website – page on heat treatment equipment for aluminium strip and foil (otto-junker.com), 2026-10-20 – https://www.otto-junker.com/en/heat-treatment/aluminium-strip-foil/ | | continuous strip annealing line | Simmerath-Lammersdorf – design and manufacture of induction furnaces and heat treatment equipment (Simmerath, DE) | copper | strip | confirmed | [B] Company website – page on strip annealing and pickling lines with horizontal furnace (otto-junker.com), 2026-10-20 – https://www.otto-junker.com/en/dap/ | ### [Presezzi Extrusion S.p.A.](https://ai-waw.com/en/companies/presezzi-extrusion-s-p-a.md) – Italy | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | chamber annealing and ageing furnace | Vimercate – registered office; design and manufacture of extrusion presses, billet heaters and aluminium melting equipment (Vimercate, IT) | aluminium | strip | confirmed | [B] Company website – product page for Melting Technology furnaces, aluminium strip coil annealing furnaces (presezziextrusion.com), 2026-10-20 – https://www.presezziextrusion.com/product/melting-technology/furnaces.html | ### [SECO/WARWICK SPÓŁKA AKCYJNA](https://ai-waw.com/en/companies/seco-warwick-spolka-akcyjna.md) – Poland | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | chamber annealing and ageing furnace | Świebodzin – group head office and manufacture of heat treatment furnaces (Świebodzin, PL) | aluminium | foil | confirmed | [B] Company website – page on Vortex furnaces for annealing aluminium coils and foil (secowarwick.com), 2026-10-20 – https://www.secowarwick.com/en/products/aluminium-furnace-systems/aluminum-coil-annealing-furnaces/ | | solution heat treatment and quenching furnace | Świebodzin – group head office and manufacture of heat treatment furnaces (Świebodzin, PL) | aluminium | sheet, casting, tube, profile | confirmed | [B] Company website – page on VertiQuench furnaces for solution treatment and ageing (secowarwick.com), 2026-10-20 – https://www.secowarwick.com/en/products/aluminium-furnace-systems/vertiquench-drop-bottom-furnaces/ | | vacuum furnace (heat treatment, brazing) | Świebodzin – group head office and manufacture of heat treatment furnaces (Świebodzin, PL) | aluminium | – | confirmed | [B] Company website – page on VAB vacuum furnaces for aluminium brazing (secowarwick.com), 2026-10-20 – https://www.secowarwick.com/en/products/vacuum-heat-treatment/vab-technology/ | | controlled-atmosphere brazing furnace (CAB) | Świebodzin – group head office and manufacture of heat treatment furnaces (Świebodzin, PL) | aluminium | – | confirmed | [B] Company website – page on CAB furnaces for controlled-atmosphere brazing of aluminium (secowarwick.com), 2026-10-20 – https://www.secowarwick.com/en/products/cab-controlled-atmosphere-brazing-furnaces/ | ### [Turla S.r.l.](https://ai-waw.com/en/companies/turla-s-r-l.md) – Italy | Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) | |---|---|---|---|---|---| | chamber annealing and ageing furnace | Paderno Franciacorta – design, manufacture and pre-assembly of aluminium extrusion lines (Paderno Franciacorta, IT) | aluminium | – | confirmed | [B] Company website – about the company: aluminium extrusion lines from billet heater to ageing furnace (turla.it), 2026-10-20 – https://turla.it/about-us/ | ## Deliveries to register plants - Gautschi Engineering GmbH → [Alcomet AD (Alcomet AD, Szumen)](https://ai-waw.com/en/companies/alcomet-ad#aleu-p197): chamber annealing and ageing furnace – Indirectly gas-fired Compact Coil Furnace for heat treatment of aluminium coils up to 16 t – supply, erection supervision and commissioning at Alcomet. (2024); commissioned; Source [B] Gautschi Engineering press release of 09.09.2024 on a new heat treatment installation for Alcomet (gautschi.cc) – https://www.gautschi.cc/new-heat-treatment-plant-for-alcomet-in-bulgaria/ - Hertwich Engineering GmbH → [aluminium recycling plant Torija (Hydro, Torija (Guadalajara))](https://ai-waw.com/en/companies/hydro#aleu-p107): billet and slab homogenising furnace – Three batch billet homogenizing furnaces with two cooling chambers, billet saw, ultrasonic testing and packing station for the new Torija recycling plant; start-up scheduled for 2026. (2024); ordered; Source [B] Hertwich Engineering press release of 27.08.2024 on the delivery of homogenising technology for Hydro in Torija (hertwich.com) – https://www.hertwich.com/news-media/news/hydro-aluminium-invests-in-hertwich-homogenization-technology-for-new-recycling-plant-in-spain - Hertwich Engineering GmbH → [Exlabesa Building Systems / Exlabesa Industry (Exlabesa Building Systems / Exlabesa Industry, Padrón)](https://ai-waw.com/en/companies/exlabesa-building-systems-exlabesa-industry#aleu-p253): billet and slab homogenising furnace – Additional continuous billet homogenizing furnace with air cooling station, long-billet stacker and PET strapping for the Exlabesa recycling plant in A Coruña province (homogenizing capacity up by 30,000 t/y). (2024); ordered; Source [B] Hertwich Engineering press release of 01.02.2024 on an additional continuous homogenising installation for Exlabesa (hertwich.com) – https://www.hertwich.com/news-media/news/exlabesa-expands-aluminium-recycling-capacities-with-additional-continuous-homogenizing-plant-from-hertwich-engineering - COIM S.r.l. Costruzioni Impianti e Montaggi Industriali → [Aluminium Green S.p.A. (Alugreen) (Aluminium Green S.p.A., Pralboino)](https://ai-waw.com/en/companies/aluminium-green-s-p-a#aleu-p126): billet and slab homogenising furnace – 50 t batch homogenizing furnace for logs (reference list, 2021). (2021); delivered; Source [B] Company website – COIM reference list (PDF, coimsrl.net) – https://www.coimsrl.net/pdf/reference/Reference_Coim.pdf - EBNER Industrieofenbau GmbH → [Amstetten (buntmetall amstetten GmbH) – tubes, bars, wires (Wieland (spółka zależna), Amstetten)](https://ai-waw.com/en/companies/wieland-spolka-zalezna#at-wieland-amstetten): bell-type coil annealing furnace – Turnkey fully automatic HICON/H2 bell annealing facility for copper and copper-alloy LWC tube coils; production started in 2020. (2020); commissioned; Source [B] Supplier website – announcement of the HICONSABER installation at Wieland Austria, Amstetten (ebner.cc) – https://www.ebner.cc/en/news-2020-03-29-saber-en - Danieli Centro Combustion S.p.A. → [Alro S.A. Slatina (Alro S.A., Slatina)](https://ai-waw.com/en/companies/alro-s-a#aleu-p021): billet and slab homogenising furnace – Two homogenizing furnaces with a cooling chamber for aluminium alloy slabs (continuous mode, up to 24,000 t/y) at Alro Slatina; in operation after commissioning and final acceptance. (2020); commissioned; Source [B] Danieli press release of 22.05.2020 on slab homogenising furnaces at Alro Slatina (danieli.com) – https://www.danieli.com/en/news-media/news/perfect-mechanical-metallurgical-properties-aluminum-slabs-alro-slatina_37_539.htm - Hertwich Engineering GmbH → [Exlabesa Building Systems / Exlabesa Industry (Exlabesa Building Systems / Exlabesa Industry, Padrón)](https://ai-waw.com/en/companies/exlabesa-building-systems-exlabesa-industry#aleu-p253): billet and slab homogenising furnace – Continuous billet homogenizing furnace with air cooling station, stacker, saw and strapping for Exlabesa in Padrón; ordered 2018, put into operation in the second half of 2018. (2018); commissioned; Source [B] Hertwich Engineering press release of 01.10.2019 on deliveries for Exlabesa in Padrón (hertwich.com) – https://www.hertwich.com/news-media/news/hertwich-supplies-aluminium-multi-chamber-melting-furnace-and-continuous-homogenization-to-exlabesa Use: the overview and company cards (pages and Markdown versions) may be mined, including for AI model training, with attribution. The complete dataset and the JSON data of the cards are reserved as a compiled database (Art. 4(3) Directive (EU) 2019/790). The reservation does not cover the coordinate layer under ODbL 1.0 nor data from ASI member pages (CC BY 4.0).