奧氏體抗腐蝕鋼的化學(xué)成分

EN10217-7SUNLAKE第5頁共6頁表1奧氏體抗腐蝕鋼的化學(xué)成分牌號CmaxSiMnPmaxSmaxNCrMoNbNiTi鋼名鋼號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不帶填充金屬的焊管S+P含量之和最大為0.040。表2奧氏體-鐵素體鋼的化學(xué)成分牌號CmaxSiMnPmaxSmaxNCrMoNi鋼名鋼號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固溶處理，壁厚在60mma以下奧氏體鋼的機械性能及晶間腐蝕牌號室溫拉伸性能c沖擊性能c參考熱處理條件晶間腐蝕鋼名鋼號屈服強度抗拉強度RmMPa延伸率最小平均吸收能KV/J固溶溫度d℃冷卻方式efENISO3651-2試驗方法Rp0.2MPaminRp1.0MPaminAmin%室溫-196℃ltlttX2CrNi19-111.4306180215460to680403510060601000to1100水，空氣YesAX5CrNi18-101.4301195230500to700403510060601000to1100水，空氣YesgAX6CrNiTi18-101.4541200235500to730353010060601020to1120水，空氣YesAX6CrNiNb18-101.4550205240510to740353010060601020to1120水，空氣YesAX2CrNiMo17-12-21.4404190225490to690403010060601020to1120水，空氣YesAX5CrNiMo17-12-21.4401205240510to710403010060601020to1120水，空氣YesgAX6CrNiMoTi17-12-21.4571210245500to730353010060-1020to1120水，空氣YesAX3CrNiMo17-13-31.4436205240510to710403010060601020to1120水，空氣YesgA表4固溶處理，壁厚在30mma以下奧氏體-鐵素體鋼的機械性能及晶間腐蝕牌號室溫拉伸性能b室溫沖擊性能b參考熱處理條件晶間腐蝕鋼名鋼號屈服強度抗拉強度RmMPa延伸率最小平均吸收能KVJ固溶溫度c℃冷卻方式deENISO3651-2試驗方法Rp0.2MPaminAmin%室溫-40℃ltlttX2CrNiMoN22-5-31.4462450700to920f252012090401020to1100w,aYesBX2CrNiMoN25-7-4b1.4410550800to10002020100100401040to1120w,aYesBorCa要執(zhí)行的檢驗和試驗在表格15中總結(jié)出來。bl=longitudinal（縱向的）;t=transverse（橫向的）.c最高溫度僅僅供