AWS

Study Guide for API Standard 1104 Welding of Pipelines and Related Facilities
standard by American Welding Society, 2008

Guide for the Nondestructive Examination of Welds
standard by American Welding Society, 07/01/2009

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

Standard Welding Procedure Specification for Shielded Metal Arc Welding of Carbon Steel (M-1/P-1/S-1, Group 1 or 2), 1/8 through 1-1/2 inch Thick, E7018, As Welded or PWHT Condition
standard by American Welding Society, 01/01/1994