x3crnimon27-5-2

X3CrNiMoN27-5-2化学成分：

碳 C：≤0.05；

硅 Si：≤1.00；

锰 Mn：≤2.00；

磷 P：≤0.035；

硫 S：≤0.015；

铬 Cr：25.00~28.00；

钼 Mo：1.30~2.00；

镍 Ni：4.50~6.50；

钒 V：—；

氮 N：0.05~0.20；

X3CrNiMoN27-5-2物理性能：

（1）密度/kg/dm3:7.8；

（2）纵向弹性模量（20℃）/GPa:200；

（3）热膨胀系数/(10-6/k)20~100℃:13；

（4）热导率/w/(m.k)20℃:15；

（5）电阻率（20℃）/（Ω.mm2/m):0.8；

（6）磁性:有。

（7）孔蚀指数（PREN）：35；

X3CrNiMoN27-5-2+AT机械性能:

热轧 EN10088-3:2005 在1C，1E，1D，1X，1G，2D

屈服强度Yield Strength N/mm2:450；

抗拉强度Tensile SterengthN/mm2  min:620-880；

伸长率 Elong Ation  A（%）min：20；

面缩率 Reduction of Arca Z (%)min:--；

冲击功Impace  AK（J）：85

硬度Hardness Max HB:260；

X3CrNiMoN27-5-2热处理规范及金相组织：
热处理规范：固溶1020～1100℃快冷。
金相组织：组织特征为奥氏体-铁素体型。

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