- -55%
- New
AWS B2.1-1-207:2019
Standard Welding Procedure Sspecification (WPS) for; Gas Tungsten Arc Welding of Carbon Steel (M-1/P-1/S-1, group 1 or 2), 1/8 through 1-1/2" think, ER70S-2, as-Welded or PWHT Ccondition (primarily pipe applications)standard by American Welding Society, 03/01/2019