- 规格:
- 齐全
- 包装:
- 标准
- 产地:
- 进口/国产
SUS440B不锈钢
SUS440B特性及适用范围:
SUS440B不锈钢较SUS440A钢硬度高,较SUS440C钢韧性高。SUS440B用于刃具、量具和轴承。
高硬度和较好的耐磨性能,在打磨时,它的缺点是粘性比较大,
而且升温很快,但它比任何碳钢都更容易打磨,用手锯切料也容易得多。
SUS440B化学成份:
含碳(C)0.85~0.95
锰(Mn)≤0.80
镍(Ni)≤0.60
硅(Si)≤0.80
磷(P)≤0.035
硫(S)≤0.030
铬(Cr)17.00~19.00,
钼(Mo)1.00~1.30
镍 Ni:允许含有≤0.60
SUS440B力学性能:
硬度 :退火,≤255HB;淬火回火,≥56HV
SUS440B热处理规范及金相组织:
热处理规范:1)退火,800~920℃缓冷;2)淬火,1010~1070℃油冷;3)回火,100~180℃快冷。
金相组织:组织特征为马氏体型。
SUS440B交货状态:一般以热处理状态交货,其热处理种类在合同中注明;未注明者,按不热处理状态交货。
销售单位:东莞市川盛金属材料有限公司
公司电话:0769-89983776
手机号码:15112824683
销售QQ:782378707
销售部:韦小姐
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