Gases for welding and oxygen cutting

Specific gases by material and process

The gases that intervene in welding and cutting are varied, from acetylene and argon to CO2, helium, hydrogen, nitrogen, oxygen and some mixtures.

Before obtaining gases for welding and oxygen cutting, it is crucial to determine their intended use, the materials involved, and the desired outcome:

  • GTAW welding.
  • MIG welding.
  • MAG welding.
  • Autogenous welding.
  • Laser beam welding.
  • Plasma.
  • Oxygen cutting.
  • Laser cutting.

Each of these processes requires a different gas. For example, in GTAW and MIG/MAG welding, inert gases are used, mainly argon and helium, to eliminate the air during welding and avoid the oxidation of materials such as steel. To a lesser extent, shielding gases such as CO2 and reducing gases such as oxygen and hydrogen, are used too.

Nonetheless, gases used in oxygen-cutting are acetylene (because of its calorific power that makes it possible to reach high working temperatures) and oxygen (as an oxidising agent to enliven the flame).

In addition to a wide range of welding gases, OXIGEN salud offers an extensive catalogue of welding and oxygen-cutting accessories and tools: welding, heating, and cutting blowtorches, gas cylinders, hoses, welding machines, gas regulators, pipeline accessories, safety valves, nitrogen test kit, gas cylinder trolley, thermal lances, and filler metals.

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Other industrial gases

Pest management gases

Systems to eliminate insects and pests through liquid nitrogen and argon.
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Gases to extinguish fires

Inert gases such as carbon dioxide, argon and nitrogen extinguish different types of fires.
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Gases for livestock farming

Nitrogen supply for the livestock farming market.
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Gases for balloons and leisure

Helium and liquid nitrogen are two of the most demanded gases in the leisure sector.
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Gases for the engineering industry

Gases for assembly of parts by cooling and the cooling of mechanical parts.
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Gases for cryogenic cleaning

Dry ice for the industrial cleaning of different types of surfaces.
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Chilling gases

Gases to regulate temperature, primarily used for chilling.
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