Shielding Gases

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Shielding Gases for Improved Welding Results: MATHESON Select Shielding Gases have been researched and formulated to provide improved welding performance in virtually any welding application.

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weld profileWhen developing the line of MATHESON Select® Shielding Gases, we “threw out the book” on conventional shielding gas mixture composition. We studied ultra-high speed video of droplet formation and plasma stability. We studied weld consistency. We looked at weld cross-sections to observe weld depth, shape, porosity, and metallurgical characteristics.

The result is a line of welding shielding gases that helps you get better productivity and efficiency, while at the same time, achieving higher quality welding results.

Improved Safety and Environmental Impact

  • Reduced fumes & hexavalent chromium emissions
  • Lower environmental impact

Enhanced Weld Quality

  • AWS A5.32 compliant homogeneous mixtures ensure consistently high mechanical properties and reduced porosity

Lower Welding Costs

  • Reduced cost / ft and cost / lb
  • Improved productivity by as much as 40%

Select MATHESON’S welding gases to help you improve your bottom line and achieve considerable gains in productivity, efficiency, and quality.

Shielding Gas Data Sheet and Selection Chart
(Click to view and download PDF datasheet)

Shielding Gas Data Sheet and Selection Chart - Español
(Click to view and download Español version of datasheet)

Read about MATHESON's commitment to welding gases, equipment, and accessories in our Products for Welding and Metal Fabrication brochure.

 

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Shielding Gas Mixtures Information

MATHESON
Select®
Product
Application
AO-2 Carbon Steel
C-25 Carbon Steel
C-10 Carbon Steel
C-20 Carbon Steel
C-104 Carbon Steel / Galvanized Steel
C-2 Carbon Steel / Stainless Steel
C-15 Carbon Steel / Stainless Steel
HC-925 Stainless Steel
H-3 Stainless Steel (300 series)
HC-725 Stainless Steel / Nickel-based Alloys
HC-332 Stainless Steel / Nickel-based Alloys
HC-1018 Galvanized Steel / Stainless Steel
DP-1021 Duplex / Super Duplex
DP-122 Duplex / Super Duplex
Ar Aluminum / Non-ferrous
He-25 Aluminum / Non-ferrous
He-50 Aluminum / Non-ferrous
He-75 Aluminum / Non-ferrous
APN-7* Aluminum
HENON-237* Aluminum
APN-10* Aluminum
HEPN-10* Aluminum

*Patent pending