DIN EN 4500-004:2012 航空航天系列. 金属材料. 材料标准制定和表述规则. 第004部分:钛和钛合金特定规则; 德文和英文版本EN 4500-004-2012
Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 004: Specific rules for titanium and titanium alloys; German and English version EN 4500-004:2012