广东~||0CR17NI7AL奥氏体不锈钢棒········>>>>规格型号尺寸机轧冷轧热轧调质调直硬化渗氮淬火耐磨预硬加工研磨塑胶五金机械模具冷作热作超硬中硬软料不变形钢厂家行情化学成份性能用途代理批发零售切割 
锰Mn:≤1.00硫S:≤0.030磷P:≤0.035铬Cr:16.00~18.00镍Ni:6.50~7.75铜Cu:≤0.50抗拉强度σb(MPa):固溶,≤1030565℃时效,≥1140510℃时
0Cr17Ni7Al
0Cr17Ni7Al
效,≥1230
条件屈服强度σ0.2(MPa):固溶,≤380565℃时效,≥960510℃时效,≥1030
伸长率δ5(%):固溶,≥20565℃时效,≥5510℃时效,≥4
断面收缩率ψ(%):565℃时效,≥25510℃时效,≥10
硬度:固溶,≤229HB565℃时效,≥363HB510℃时效,≥388HB
热处理
1)固溶,1000~1100℃快冷
2)565℃时效,经固溶处理后,760±15℃保持90min,在1h内冷却到15℃以下,保持30min,再加热到565±10℃保持90min,空冷
3)510℃时效,经固溶处理后,955±10℃保持10min,空冷到室温在24h以内冷却到-73±6℃,保持8h,再加热到510±10℃保持60min,空冷。
碳素结构钢:SS330SS400SS490SS540S09CKS10CS12CS15CS15CKS17CS20CS20CKS22CS25CS28CS30CS33CS35CS38CS40CS43CS45CS48CS50CS53CS55CS58CSM400ASM400BSM400CSM490ASM490BSM490CSM490YASM490YBSM520YBSM520YCSM570SPV315SPV355SPV410SPV450SPV490SPV235SGV410SGV450SGV480SB410SB450SB480SB450MSB480MSLA235ASLA235BSLA325ASLA325BSLA365SLA410STK290STK400STK490STK500STK540