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AWS F4.1:1999

Recommended Safe Practices for Preparation for Welding and Cutting of Containers and Piping
standard by American Welding Society, 01/01/1999

AWS B2.1-4-221:1999 (R2009)

Wps:Chromium Molybdenum Steels, Primarily Pipe Applications (M-4/P-4, Group 1 or 2) – Gtaw (Consumable Insert Root) Followed by Shielded Metal Arcwelding of Chromium-Molybdenum Steel (M-4/P-4, Group 1 OR 2), 1/8 Through 1/2 Inch Thick, As-Welded Condition
standard by American Welding Society, 01/01/1999

AWS D15.2/D15.2M:2013

Recommended Practices for the Welding of Rails and Related Rail Components for Use by Rail Vehicles
standard by American Welding Society, 10/30/2012

AWS PHSS WC AND DC

AWS PHSS WC & DC SUGGESTED PRETEMPERATURES FOR WELDING STRUCTURAL STEEL MATERIALS WALL AND DESK CHARTS
standard by American Welding Society, 01/01/1996