Industrial gas cylinder ARCAL™ He20

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Overview
ARCAL™ He20 is an Air Liquide shielding gas mixture formulated for arc welding processes involving aluminium and other materials where helium-enriched argon improves arc stability and penetration.

Applications

• MIG welding of aluminium and aluminium-copper alloys
• TIG welding of a wide range of materials
• TIG welding of hydrogen-sensitive materials
• Plasma welding outer gas for aluminium alloys

Safety
Risks: Asphyxiation at high concentrations
Flammability: Non-flammable

Transport
Proper shipping name: Compressed gas
UN No.: 1956
ADR class: 2
Classification code: 1A

Characteristics / Technical specifications

• Reference: I2594
• Physical state: Gaseous
• Relative density (gas): Heavier than air
• Valve connection: AFNOR C (21.7 x 1.814 SI - right-hand male) Thread: 38x2 (S)
• Single molecule type: MIX
• Components (vol. % abs): Ar; He 20% ±2%
• Impurities (see product datasheet for full details): H2O (5 bar) ≤ 40 ppm; O2 ≤ 20 ppm; N2 ≤ 80 ppm
• Additional information: Product compliant with EN ISO 14175-I3-ArHe-20 (welding application)
• Color: Colorless
• Odor: Odorless