DIN EN 4632-004-2013 航空航天系列.航空航天结构用焊接及铜焊组件.材料的可焊接性和可铜焊接性.第004部分:高合金钢均匀组件的焊接和钎焊.德文版本EN 4632-006-2012
Aerospace series - Weldability and brazeability of materials in aerospace constructions - Part 004: Welding and brazing of homogeneous assemblies of high alloyed steels; German version EN 4632-004:2012