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.
Select 720HP H4 was designed for single and multiple pass welding of carbon steels, such as ASTM A36, A285, A515-Gr70, and A516-Gr 70 and for low hydrogen deposits utilizing 75-80% Ar/balance CO2 shielding gas.
Features
ABS Part 2 Appendix 2 4YSA H5 75%Ar / 25%CO2
DNV DNVGL-CP-0069 IV YMS (H5) 75%Ar / 25%CO2
Microalloying and slag adjustments provide enhanced CVN toughness values at lower than required classification temperatures.
Well suited for structural welding and general fabrication.
A good choice for fine grained, high toughness steels, such as ASTM A572 and A633.
Caution
Protect yourselves and others, read the safety data sheet prior to using this product.