详细描述:
特性:耐腐蚀性和耐热性均比0Cr19Ni9好
用途:炉用材料,排气机器,热处理炉和热交换机
化学成分:
碳C: ≤0.08
硅Si: ≤1.00
锰Mn:≤2.00
磷P: ≤0.045
硫S: ≤0.030
铬Cr: 22.0-24.0
镍Ni: 12.0-15.0
力学性能:
抗拉强度 σb (MPa):≥520
屈服强度 σ0.2 (MPa):≥205
伸长率 δ5 (%):≥40
断面收缩率 ψ (%):≥60
硬度:≤187HB;≤90HRB;≤200HV
热处理规范及金相组织:
热处理规范:固溶1030~1150℃快冷。
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