DIN EN 3325:2008-05
航空航天系列 螺栓 T 型头 卸压杆 长螺纹 耐热钢 FE-PM1708(FV 535)分类:1000 MPa/550°C 未镀层
Aerospace series - Bolts, T-head, relieved shank, long thread, in heat resisting steel FE-PM1708 (FV 535) - Classification: 1 000 MPa/550 °C - Unplated; German and English version EN 3325:2007