BS EN 4009:2004
航空航天系列 耐热镍基合金NI-PH2601(铬镍铁合金718)制中长螺纹、紧公差柄、十二角头螺栓 等级:1550MPa(室温)
Bolts, double hexagon head, close tolerance shank, medium length thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718) - Classification: 1550 MPa (at ambient temperature)/650℃