BS EN 4124:2018
航空航天系列.60°型模用NI-PH-1302(一种耐高热镍基合金)型耐热镍基合金制自锁的螺纹镀银的带柄螺母.等级:1210MPa(室温)/730 ℃
Aerospace series. Shank nuts, self-locking, in heat resisting nickel base alloy NI-PH1302 (Waspaloy), silver plated on thread, for 60 swage. Classification: 1 210 MPa (at ambient temperature) / 730 C