Arc welding - Air Liquide

ARCAL™ welding gases, offers a range of high-quality, ready-to-use shielding gas solutions.


More performance

The ARCAL™ range is suitable for a wide range of welding processes and materials, including the most sensitive. ARCAL™ gases allow protection against all materials, and a very attractive appearance of weld beads.



Our gases, cylinders and accessories are quality products. The entire ARCAL™ range complies with ISO 14175 and AWS-A5.32 welding standards. The compositions are optimal, tested, requalified and of constant quality.



Our ARCAL™ range has been designed to be easy to use on a daily basis. Depending on your needs, ARCAL™ is available in bottles, frames or liquid supply. Our range is available nationwide both in direct delivery and through our network of Air Liquide agents.


Added security

Thanks to our ARCAL™ range, you benefit from maximum ergonomics and safety on a daily basis thanks to our cylinders fitted with the SMARTOP™ head. On request, you can opt for a bottle equipped with an EXELTOP™ head, ready to use.

ARCAL™ - our range of welding gases

ARCAL™ welding gases are suitable for a wide range of welding needs.

Four ready-to-weld argon mixture solutions for a wide range of welding application needs. Each mixture was designed to be reliable and simple, yet high performing.

ARCAL™ Prime

ARCAL™ Prime gaz de protection

ARCAL™ Prime is our primary high-quality shielding product for most welding situations, including TIG and plasma welding of all materials such as titanium, MIG welding of aluminum and copper alloys, and universal root shielding of all materials. 99.999% argon ensures reliable integrity of the weld bead making ARCAL™ Prime the pure gas solution for your arc welding needs.

Reliability: Product quality
• High purity gas ≥ 99.998% Argon.
• Compliant with ISO 14175-I1-Ar.

Performance: Weld quality
• High gas purity ensures perfect weld bead soundness.
• Clean weld surface.
• Very low levels of H2O, O2 and N2 impurities.

Simplicity: Adapts to your processes
• TIG and plasma welding of all materials including the most sensitive ones: aluminium, titanium, zirconium, magnesium and alloys.
• MIG welding of aluminium alloys, suitable to pulsed welding.
• Universal root shielding solution.

Ease of use
• A single product for many welding processes reducing the risk of confusion.

ARCAL™ Chrome

ARCAL Chrome

This product matches with chromium – the key component of steels for corrosion resistance. From household appliances to chemical vessels and pipes, for both austenitic and ferritic stainless steels, ARCAL™ Chrome offers brilliant welding performance.

Reliability: Product quality
• Ar-2% CO2 with controlled oxidation level.
• Compliant with ISO 14175-M12-ArC-2.
• Low level of H2O and N2 impurities.

Simplicity: One product for all stainless steels
• All-purpose and all-position welding of stainless steels.
• MAG brazing with CuSi and CuAl.
• Manual, automatic and robotic welding.

Large range of applications
• Vessels, food containers, exhaust systems, etc.

Performance: Weld quality
• Clean weld with good wetting.
• Corrosion resistance maintained with a carefully selected CO2 content.

Savings and productivity
• Post-welding operations and filler material consumption reduced by low spatter emissions.

ARCAL™ Speed


ARCAL™ Speed is the essential arc welding gas when weld time is a critical factor.

Expertly mixed for high-travel speed and high-deposition rate MAG welding of carbon steels, it is ideal for automatic and robotic applications. Highly adaptable with low fume and spatter emissions that reduces post-welding operations, ARCAL™ Speed is an obvious choice when high productivity is needed without sacrificing quality.

Reliability: Product quality
• Ar-8% CO2 with controlled oxidation level.
• Compliant with ISO 14175-M20-ArC-8.
• Low level of H2O and N2 impurities.

Simplicity: Ease of use for high travel speed
• Highly stable welding process at high deposition rate.
• Highly productive spray transfer at low energy level.
• Clean metal transfer with spatter-free pulsed mode.

Designed for demanding applications
• Perfect for automatic and robotic welding.
• Metal working, vessels, automotive parts, etc.

Performance: Weld quality
• Excellent weld bead soundness (X-ray quality).
• Excellent wetting and clean weld surface.

Savings and productivity
• High productivity with high travel speed.
• Post-welding operations and filler material consumption reduced by low spatter emissions.

ARCAL™ Force


ARCAL™ Force is our most powerful, ready-to-weld solution for MAG welding of heavy carbon steel structures.
From earthmoving and agricultural equipment to bridge building and ship modules, ARCAL™ Force was engineered with heavy use in mind. No matter the surface – oxidized or contaminated, gapped or mismatched – ARCAL™ Force is ready for your toughest and most challenging welding applications.

Reliability: Product quality
• Ar-18% CO2 with controlled oxidation level.
• Compliant with ISO 14175-M21-ArC-18.
• Low level of H2O and N2 impurities.

Simplicity: All-purpose MAG welding of carbon steel
• All position welding.
• Highly tolerant: oxidized or contaminated surfaces, gaps or mismatches.
• Suitable for manual and automatic welding, solid or flux cored wire.

Designed for heavy applications
• Containers, earthmoving equipment, shipyards, etc.

Performance: Weld quality
• Mechanical properties secured with a large, rounded penetration weld shape.
• Excellent weld bead soundness (X-ray quality).

Savings and productivity
• Reduction of filler material consumption by low spatter emissions compared to gases with higher CO2 content.

ARCAL™ welding gas range references




Reference Gases 


Technical Gases














Welding processes
and materials

The versatile solution for many applications: - TIG and plasma welding of all metals - MIG welding of aluminium, copper and their alloys - Backing of all materials.

The essential choice for all stainless steels:
• MAG welding of austenitic and ferritic stainless steels
• Appearance quality of the weld bead

The best gas solution for productivity in MAG welding:
• High productivity MAG welding of carbon steels
• Reduction of fumes and projections


The robust gas solution for MAG welding of stressed parts:
• MAG welding of carbon steels for all applications
• Excellent mechanical characteristics of welds


According to the mixtures


Argon pure >= 99.998%

Ar +2 % CO2

Ar +8 % CO2

Ar +18 % CO2

According to the mixtures

ARCAL™ welding gas selector tool

Helping you choose the right gas for your welding needs.

ARCAL welding gas

Use the welding gas selector tool and define your material, welding type, wire type and material thickness and the tool will define which ARCAL welding gas is the most appropriate for your welding application.


ARCAL™ is also...

Smartop gasflasche


The practical and simple bottle head!

With the On/Off lever, a single gesture is enough to immediately open or cut off the gas supply.

This system allows instantaneous visualization of the open/closed position.



Guaranteed performance, ready to use.

EXELTOP™ is a cylinder head equipped with an integrated regulator with double expansion, which allows a quick connection between the bottle and your installation.

With EXELTOP ™, you're guaranteed a precise and stable gas flow.


ARCAL™ Multiple Cylinder Packs

  • Specific gas and gas mixture composition - the right gas for your application
  • 300 Bar high pressure cylinders for maximum capacity
  • Multiple cylinder packs with 16 x 50L capacity cylinders for optimum product availability
  • Avoids the disadvantages of Mini Bulk solutions
  • Minimises cylinder changeover and reduces rental


ARCAL™ Welding gas

Discover our range of TIG, MIG/MAG and plasma arc welding gases.

Do you have any questions about ARCAL™ welding gas?

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