AWS A4.2M:2006
Standard Procedures for Calibrating Magnetic Instruments to Measure Delta Ferrite Content of Austenitic and Duplex Ferritic-Austenitic Stainless Steel Weld Metal (ISO 8249:2000 Mod.)
standard by American Welding Society, 07/10/2006
AWS C4.6M:2006 (R2012)
Thermal Cutting - Classification of Thermal Cuts - Geometric Product Specification and Quality Tolerances
standard by American Welding Society, 07/10/2006
AWS G1.6:2006
Specification for the Qualification of Plastics Welding Inspectors for Hot Gas, Hot Gas Extrusion, and Heated Tool Butt Thermoplastic Welds
standard by American Welding Society, 07/06/2006