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1、国内外常用钢材标准牌号对照表种类中国CB日本JIS美国AISI、ASTM英国BS德国DIN法国NF前苏联OCT碳素钢Q235-AFSS41A36、A283CUst37-2Q235-ASS41A、BRst37-2CT220S20CC1020En2CC22C202035S35CC1035En8AC35XC383520gSB42A285、Gr.B A414、Gr.B1633Gr.BAst41A42C20K20（管道用）STPG38、42A106、A53st35.4低合金钢16MnSM50BSM221633Gr.1st52-31616MnRSPV36A516、A515、Gr60、Gr7019Mn515
2、MnVHTP57VWA225、Gr.AA225、Gr.B40MnC1036En15B40MnA40Mn54040CrSCr45140En18S11741Cr438C440X12CrMoA335、P2A213、Gr.B3064-6601501-62013CrMo4412CD412XM15CrMoSTT42STC42STB42A387、Gr.B165316CrMo4415CD415XM35CrMoSCM3E4132E4135En19B34CD435CD435XM高合金钢0Cr13SUS410410SS41000X7Cr13Z6C1308X130Cr18Ni9SUS304304S30400304S1
3、5X5CrNi189ZCN18.0908X18H100Cr18Ni10TiSUS321321S32100321S12321S20X10CrNiTi189Z6CNT18.1008X18H10T0Cr17Ni12Mo2SUS316316S31600316S16X5CrNiMo1810Z6CND17.1308X17H13M2种类中国CB日本JIS美国AISI、ASTM英国BS德国DIN法国NF前苏联OCT高合金钢0Cr18Ni12Mo2Ti320S17X10CrNiMoTi1810Z6CNDT17.1208X17H13M2T0Cr19Ni13Mo3SUS317317S31700317S1608X17
4、H15M300Cr19Ni10SUS304L304LS30403304S12X2CrNi189Z2CN18.0903X18H1100Cr17Ni14Mo2SUS316L316LS31603316S12X2CrNiMo1810Z2CND17.1203X17H13M200Cr19Ni13Mo3SUS317L317LS31703317S12X2CrNiMo1816Z2CND19.1503X16H15M31Cr18Ni9TiX10CrNiTi18912X18H10TCr25Ni20SUS310S310SS31008（欧洲体系）钢制法兰类型、密封面型式与公称压力PN及公称通颈DN间的具体适配关系序号法兰
5、类型、代号、简图与标准体密封面形式和与之相适配的压力等级法兰类型、密封面形式、公称压力与公称通径的匹配关系/mm形式名称代号PN/MPa0.25MPa0.6 MPa1.0 MPa1.6 MPa2.5 MPa4.0 MPa6.3 MPa10.0 MPa16.0 MPa25.0 MPa1板式平焊法兰（PL）HG20593突面RF0.252.5102000101200全平面FF0.251.6106007002000106002带颈平焊法兰（SO）HG20594突面RF0.64.01035010600凹凸面MFM1.04.010600榫槽面TG1.04.0全平面FF0.61.610350106003带
6、颈对焊法兰（WN）HG20595突面FF1.025.0102000101000106000104001030010250凹凸面MFM1.016.0榫槽面TG1.016.0环连接面RJ6.325.010250全平面FF1.01.61020004整体法兰（IF）HG20596突面RF0.625.0102000101200106001040010300凹凸面MFM1.016.010200010300榫槽面TG1.016.010300环连界面RJ6.325.0全平面FF0.61.61020005承插焊法兰（SW）HG20597突面RF1.010.01050凹凸面MFM1.010.0榫槽面TG1.010
7、.0序号法兰类型、代号、简图与标准体密封面形式和与之相适配的压力等级法兰类型、密封面形式、公称压力与公称通径的匹配关系/mm形式名称代号PN/MPa0.25MPa0.6 MPa1.0 MPa1.6 MPa2.5 MPa4.0 MPa6.3 MPa10.0 MPa16.0 MPa25.0 MPa6螺纹法兰（Th）HG20598突面RF0.64.010150全平面FF0.61.6101507对焊环松套法兰（PJ/SE）HG20599突面RF0.64.0106008平焊环松套法兰（PJ/PR）HG20600突面RF0.61.610600凹凸面MFM1.01.610600榫槽面TG1.01.69法兰盖
8、（BL）HG20601 突面RF0.2525.01020001012001016001040010300凹凸面MFM1.016.010300榫槽面TG1.016.0环连界面RJ6.325.010300全平面FF0.251.6102000101200序号法兰类型、代号、简图与标准体密封面形式和与之相适配的压力等级法兰类型、密封面形式、公称压力与公称通径的匹配关系/mm形式名称代号PN/MPa0.25MPa0.6 MPa1.0 MPa1.6 MPa2.5 MPa4.0 MPa6.3 MPa10.0 MPa16.0 MPa25.0 MPa10衬里法兰盖（BL(S)）HG20602突面RF0.64.040600凸面M0.64.040600榫面T1.04.0