# Technology: protective atmospheres, gases and utilities

> A picture of the supply market – not a commercial recommendation.

- Customer links: smelter, refinery, secondary refiner (scrap remelting), casthouse, wire rod mill, wire rod and wire, shape foundry
- technology suppliers: 6
- Confirmed metals: copper (2), nickel (1)
- Data as of: 2026-10-21, version 2.32
- Page: https://ai-waw.com/en/companies/technology/atmosfery-media
- JSON: https://ai-waw.com/en/companies/technology/atmosfery-media.json
- All processes: https://ai-waw.com/en/companies/technology.md

## Technology classes of the process

- gases and protective atmospheres for heat treatment (industrial gases and utilities)

## Suppliers

### [Air Liquide France Industrie](https://ai-waw.com/en/companies/air-liquide-france-industrie.md) – France

| Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) |
|---|---|---|---|---|---|
| gases and protective atmospheres for heat treatment | Paris – head office of Air Liquide France Industrie, publisher of the gases and oxy-fuel combustion offer for metallurgy in France (Paris, FR) | – | wire, tube, sheet, rod | general scope | [B] Company offer sheet – nitrogen-hydrogen atmospheres for annealing semi-finished products of ferrous and non-ferrous metals (fr.airliquide.com), 2020-02-01 – https://fr.airliquide.com/statics/2021-10/traitements_thermiques_de_recuit.pdf?VersionId=U1jR_bgiZiScXUJ2a9pxfDbS0MPSClBC |

### [Air Products PLC](https://ai-waw.com/en/companies/air-products-plc.md) – United Kingdom

| Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) |
|---|---|---|---|---|---|
| gases and protective atmospheres for heat treatment | Chertsey – Air Products European regional headquarters (industrial gases and oxy-fuel combustion technology) (Chertsey, GB) | – | – | general scope | [B] Company website – metal annealing: atmospheres for annealing ferrous and non-ferrous metals (airproducts.co.uk), 2026-10-20 – https://www.airproducts.co.uk/applications/annealing-for-metals-materials-processing |

### [Linde GmbH](https://ai-waw.com/en/companies/linde-gmbh.md) – Germany

| Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) |
|---|---|---|---|---|---|
| gases and protective atmospheres for heat treatment | Pullach – head office of Linde GmbH, Gases Division (industrial gases and their applications in Germany) (Pullach im Isartal, DE) | copper | – | confirmed | [B] Group website – HYDROFLEX system for oxide-free heat treatment of copper alloys (linde-gas.com), 2026-10-20 – https://www.linde-gas.com/products-and-services/controlled-atmosphere-solutions/hydroflex-for-bright-annealing-and-more-in-heat-treatment |

### [Messer SE & Co. KGaA](https://ai-waw.com/en/companies/messer-se-co-kgaa.md) – Germany

| Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) |
|---|---|---|---|---|---|
| gases and protective atmospheres for heat treatment | Bad Soden am Taunus – registered office of Messer SE & Co. KGaA, publisher of the gas applications offer (heat treatment, non-ferrous metals) (Bad Soden am Taunus, DE) | copper, nickel | wire, sheet, strip, rod, tube, casting | confirmed | [B] Company website – nitrogen-hydrogen atmospheres for annealing and brazing of copper, brass, bronze and nickel (applications.messergroup.com), 2026-10-20 – https://applications.messergroup.com/non-ferrous-metal/heat-treatment/copper-nickel |

### [NIPPON SANSO EURO-HOLDING, S.L.U.](https://ai-waw.com/en/companies/nippon-sanso-euro-holding-s-l-u.md) – Spain

| Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) |
|---|---|---|---|---|---|
| gases and protective atmospheres for heat treatment | Madrid – registered office of the European holding company of Nippon Sanso (formerly Nippon Gases), publisher of an offer of gas applications for metals (Madrid, ES) | – | – | general scope | [B] Company website – metals and heat treatment: controlled atmospheres, Endogreen endogas generator (eu.nipponsanso.com), 2026-10-20 – https://eu.nipponsanso.com/it/soluzioni/soluzioni-per-metalli-e-trattamenti-termici/ |

### [SOL S.p.A.](https://ai-waw.com/en/companies/sol-s-p-a.md) – Italy

| Technology class | Supplier plant | Confirmed metals | Product form | Status | Source (class, date) |
|---|---|---|---|---|---|
| gases and protective atmospheres for heat treatment | Monza – registered office of SOL S.p.A., publisher of an offer of gas applications and SolMet installations for non-ferrous metals (Monza, IT) | – | – | general scope | [B] Company website – aluminium processing: annealing and brazing, nitrogen and hydrogen gases (sol.it), 2026-10-20 – https://www.sol.it/en/sol-for-the-industry/metal-fabrication/aluminium-working |

## Deliveries to register plants

No deliveries described in primary documents.

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).