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Welding Gases

The most common welding gases according to EN ISO 14175.

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Welding gases

Name	Group	Components	Min. addition (%)	Max. addition (%)
1.8% CO2 + 0.03% NO + Ar	Z	Ar/CO2/NO	2.1	2.1
1% O2 + 99% Ar	M13	Ar/O2	1	1
10-15% CO2 + Ar	M20	Ar/CO2	10	15
10% CO2 + 90% Ar	M20	Ar/CO2	10	10
100% CO2	C1	CO2
100% He	I2	He
15-20% CO2 + Ar	M21	Ar/CO2	15	20
15-25% CO2 + Ar	M21	Ar/CO2	15	25
15–20% CO2 + 2–5% O2 + Ar	M14	Ar/CO2/O2	17	25
18% CO2 + 82% Ar	M21	Ar/CO2	18	18

Number of results: 67