Specification and qualification of welding procedures for metallic materials -- Welding procedure test -- Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys -- Amendment 1— 8 стр.
Specification and qualification of welding procedures for metallic materials -- Welding procedure test -- Part 12: Spot, seam and projection welding— 16 стр.
Specification and qualification of welding procedures for metallic materials -- Welding procedure test -- Part 13: Upset (resistance butt) and flash welding— 20 стр.