BS EN 3013:1996(1999)
双六角形自锁螺母,采用耐热镍基合金 NI - P101HT (Waspaloy),镀银 — 等级:1210 MPa(环境温度下)/ 730 °C
Nuts, bihexagonal, self - locking, in heat resisting nickel base alloy NI - P101HT (Waspaloy), silver plated — Classification : 1210 MPa (at ambient temperature)/ 730 °C