NK船级社焊接标准.doc

NK船级社焊接标准 钢质船舶入级与建造规范 目 录 M篇 焊接 第1章 总则 ···················································································································· 1 1.1 通则 ······························································································································································ 1 1.2 焊接施工前的试验 ······································································································································· 1 1.3 焊接施工 ······················································································································································ 1 1.4 焊接质量和检测 ··········································································································································· 2 第2章 焊接工艺 ············································································································ 3 2.1 通则 ······························································································································································ 3 2.2 工艺方案 ······················································································································································ 3 2.3 焊前准备 ······················································································································································ 4 2.4 焊接工艺 ······················································································································································ 4 2.5 焊接质量和检测 ··········································································································································· 5 第3章 试样及力学性能试验方法 ················································································· 7 3.1 通则 ······························································································