Standard Welding Procedure Specification (SWPS) for Gas Tungsten Arc Welding (Consumable Insert Root) of Chromium-Molybdenum Steel (M-5A/P-5A), 1/8 through 1/2 in. Thick, As-Welded Condition; 1/8 through 3/4 in. Thick, PWHT Condition, IN521 and ER90S-B3, Primarily Pipe Applications
standard by American Welding Society, 12/08/1999

Structural Welding Code – Steel
standard by American Welding Society, 12/09/2019

Standard Welding Procedure Specification (Swps) for Gas Metal Arc Welding (Short Circuiting Transfer Mode) of Carbon Steel to Austenitic Stainless Steel (M-1 to M-8, P-8, or S-8), 18 through 10 Gauge, in the As-Welded Condition, with or without Backing
standard by American Welding Society, 01/01/2002

Recommended Practices for Electron Beam Welding and Allied Processes
standard by American Welding Society, 02/05/2013

Standard Welding Procedure Specification (Swps) for Argon Plus 25% Carbon Dioxide Shielded Flux Cored Arc Welding of Carbon Steel (M-1/P-1/S-1) Groups 1 and 2, 1/8 through 1-1/2 inch Thick, E7XT-X, As-Welded or PWHT Condition, Primarily Pipe Applications
standard by American Welding Society, 01/01/2006

Specification for Welding Procedure and Performance Qualification
standard by American Welding Society, 11/21/2013

Standard WPS for Gas Tungsten Followed by Shielded Metal Arc Welding of Carbon Steel (M-1/P-1/S-1, Group 1 or 2), 1/8 through 1 1/2" Thick, ER70S-2 and E7018, As-Welded or PWHT Condition, Primarily Pipe Applications
standard by American Welding Society, 06/07/1996

Structural Welding Code – Steel, Includes Errata
standard by American Welding Society, 03/11/2010

Standard Welding Procedure Specification (SWPS) for Gas Tungsten Arc Welding of Chromium-Molybdenum Steel (M-5A/P-5A), ER90S-B3, 1/8 through 1/2 in. Thick, As-Welded Condition ; 1/8 through 3/4 in. Thick, PWHT Condition, Primarily Pipe Applications
standard by American Welding Society, 12/08/1999

Structural Welding Code – Aluminum – includes 2014 Errata
standard by American Welding Society, 06/11/2013