KS B ISO 15614-1-2018 金属材料焊接程序规范和资格 - 焊接程序试验 - 第1部分:镍和镍合金的钢和电弧焊接的电弧和气体焊接
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