MIL-W-21157A, MILITARY SPECIFICATION: WELDMENT, STEEL, CARBON AND LOW ALLOY (YIELD STRENGTH 30,000 - 60,000 PS1 (26 OCT 1971)

MIL-W-21157A, MILITARY SPECIFICATION: WELDMENT, STEEL, CARBON AND LOW ALLOY (YIELD STRENGTH 30,000 - 60,000 PS1 (26 OCT 1971)., This specification covers the requirements for steel weldments fabricated by metal electrode welding processes.