To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account
Zip Code should not be blankEmail and Password should not be blank
Enter Delivery Zip Code
or
Log In
TELL US MORE
Are you currently located in California?
8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)
Password cannot contain space
Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.
ARCAL™ M20 He5 is an ARCAL Technical line product. ARCAL M20 He5 is a gas with helium content, designed to perform with higher wire feed speeds and offer noticeably better wetting and tolerance to fit-up. This gas is recommended for MIG welding of carbon steel although helium mixes offer no problems of materials compatibility. The ARCAL M20 He5 handles the welding of heavier thickness materials well and is adapted for automated and robotic applications. The ARCAL M20 He5 provides good weld fillet mechanicals