奥氏体抗腐蚀钢的化学成分

EN10217-7SUNLAKE第5页共6页表1奥氏体抗腐蚀钢的化学成分牌号CmaxSiMnPmaxSmaxNCrMoNbNiTi钢名钢号X2CrNi19-111.43060.030≤1.00≤2.000.045b0.015b≤0.1118.00to20.00--10.00to12.00d-X5CrNi18-101.43010.07≤1.00≤2.000.045b0.015b≤0.1117.00to19.50--8.00to10.50-X6CrNiTi18-101.45410.08≤1.00≤2.000.045b0.015-17.00to19.00--9.00to12.00d5xCto0.70X6CrNiNb18-101.45500.08≤1.00≤2.000.045b0.015b-17.00to19.00-10xCto1.009.00to12.00d-X2CrNiMo17-12-21.44040.030≤1.00≤2.000.045b0.015b≤0.1116.50to18.502.00to2.50-10.00to13.00e-X5CrNiMo17-12-21.44010.07≤1.00≤2.000.045b0.015b≤0.1116.50to18.502.00to2.50-10.00to13.00-X6CrNiMoTi17-12-21.45710.08≤1.00≤2.000.045b0.015b-16.50to18.502.00to2.50-10.50to13.50c5xCto0.70X3CrNiMo17-13-31.44360.05≤1.00≤2.000.045b0.015b≤0.1116.50to18.502.00to3.00-10.50to13.00d-注：b不带填充金属的焊管S+P含量之和最大为0.040。表2奥氏体-铁素体钢的化学成分牌号CmaxSiMnPmaxSmaxNCrMoNi钢名钢号X2CrNiMoN22-5-31.44620.030≤1.00≤2.000.0350.0150.10to0.2221.00to23.002.50to3.504.50to6.50X2CrNiMoN25-7-4b1.44100.030≤1.00≤2.000.0350.0150.20to0.3524.00to26.003.00to4.506.00to8.00表3固溶处理，壁厚在60mma以下奥氏体钢的机械性能及晶间腐蚀牌号室温拉伸性能c冲击性能c参考热处理条件晶间腐蚀钢名钢号屈服强度抗拉强度RmMPa延伸率最小平均吸收能KV/J固溶温度d℃冷却方式efENISO3651-2试验方法Rp0.2MPaminRp1.0MPaminAmin%室温-196℃ltlttX2CrNi19-111.4306180215460to680403510060601000to1100水，空气YesAX5CrNi18-101.4301195230500to700403510060601000to1100水，空气YesgAX6CrNiTi18-101.4541200235500to730353010060601020to1120水，空气YesAX6CrNiNb18-101.4550205240510to740353010060601020to1120水，空气YesAX2CrNiMo17-12-21.4404190225490to690403010060601020to1120水，空气YesAX5CrNiMo17-12-21.4401205240510to710403010060601020to1120水，空气YesgAX6CrNiMoTi17-12-21.4571210245500to730353010060-1020to1120水，空气YesAX3CrNiMo17-13-31.4436205240510to710403010060601020to1120水，空气YesgA表4固溶处理，壁厚在30mma以下奥氏体-铁素体钢的机械性能及晶间腐蚀牌号室温拉伸性能b室温冲击性能b参考热处理条件晶间腐蚀钢名钢号屈服强度抗拉强度RmMPa延伸率最小平均吸收能KVJ固溶温度c℃冷却方式deENISO3651-2试验方法Rp0.2MPaminAmin%室温-40℃ltlttX2CrNiMoN22-5-31.4462450700to920f252012090401020to1100w,aYesBX2CrNiMoN25-7-4b1.4410550800to10002020100100401040to1120w,aYesBorCa要执行的检验和试验在表格15中总结出来。bl=longitudinal（纵向的）;t=transverse（横向的）.c最高温度仅仅供