AWS B2.1-1-210 : 2001 Title: STANDARD WELDING PROCEDURE SPECIFICATION(WPS) FOR; GAS TUNGSTEN ARC WELDING WITH CONSUMABLE INSERTS OF CARBON STEEL(M-1/P-1/S-1, GROUP 1 OR 2), 1/8 THROUGH 1-1/2 INCH THICK, INMS-1 AND ER70S-2, AS-WELDED OR PWHT CONDITION(PRIMARILY PI Year: 2001 Publisher: American Welding Society Availability: Within 1-2 working days