QH51钢材
▲QH51山阳特殊钢^http://www.lifeng88.com/productinfo/detail_4_51_224.html^材料名称:高速工具钢/牌号:QH51/标准:ENISO4957-1999/
●化学成份:/碳C:
0.80~0.88/硅Si:
0.20~0.45/锰Mn:
0.15~0.40/硫S:;0.030/磷P:;0.030/铬Cr:
3.80~4.50/钒V:
1.70~2.10/钼Mo:
4.70~5.20/钨W:
5.90~6.70/V:
1.70~2.10/
●力学性能:/硬度:交货硬度:(其他加工方法);262HB;(退火);255HB。试样热处理制度及淬回火硬度:≥63HRC(箱式炉)、≥64HRC(盐浴炉)详细了解:http://www.lifeng88.com/productinfo/detail_4_51_224.html