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焊接系数焊接接头系数，符号为φ，,即焊接接头强度与母材强度之比,，它是考虑焊接对容器强度的削弱，用以降低设计许用应力的系数，φ≤1在ASME规范中焊接接头系数仅取决于该焊接接头型式和无损检测程度，一台容器不同的接头可以使用不同的焊接接头系数，对A、B、C、D四类焊接接头都规定了焊接接头系数，同时允许采用降低焊接接头系数而免除无损检测要求。而在我国GB150中，焊接接头系数特指A、B类焊接接头，不允许采用降低焊接接头系数而免除无损检测要求，产品制造完成后必须对A、B类接头进行射线或超声检测碳素结构钢中国国际原苏联美国日本德国英国法国GB/T700ISO3573ISO630GOST535GOST380ASTMA283MASTMA573MASTMA284MASTMA709MJISG3101JISG3131JISG3106DINEN10025BS970Part1BSEN10025NFEN10025Q195HR2CT1KPCT1CPCT1PCGr.BSS330(SS34)SPHCSPHD040A10Q215AHR1CT2KP-2CT2PC-2CT2CP-2Gr.CGr.58SS330(SS34)SPHCFe360C040A12Fe360CFe360CQ215BCT2KP-3CT2PC-3CT2CP-3Gr.CGr.58Gr.CSS330(SS34)SPHCSPHD040A12Q235AFe360ACT3KP-2CT3PC-2CT3CP-2Gr.DSS400(SS41)SM400A(SM41A)Fe360BFe360C080A15Fe360BFe360CFe360BFe360CQ235BFe360DCT3KP-3Gr.DSS400SM400AFe360B080A15Fe360BFe360BCT3PC-3CT3CP-3(SS41)(SM41A)Fe360CFe360CFe360CQ235CFe360DCT3KP-4CT3PC-4CT3CP-4Gr.DGr.65Gr.DSS400A(SS41A)SM400B(SM41B)Fe360C080A15Fe360CFe360CQ235DFe360DCT3KP-4CT3PC-4CT3CP-4SS400A(SS41A)Fe360D1Fe360D2Fe360D1Fe360D2Fe360D1Fe360D2Q255ACT4KP-2CT4PC-2CT4CP-2Gr.36[250]SS400(SS41)SS400A(SS41A)Q255BCT4KP-3CT4PC-3CT4CP-3Gr.36[250]SS400(SS41)SS400A(SS41A)Q275Fe430ACT5KP-2CT5CP-2SS490(SS50)［返回］优质碳素结构钢项目中国GB,YB日本JIS德国DIN(W-Nr.)美国英国BS法国NF前苏联ГОСТ国际ISOASTMAISISAE(1)普通含锰05F10051005015A0305kn08F100610061006040A0408kn量钢组08S09CK(S9CK)C10(1.0301),CK10(1.1121)100810081008050A040810F101010101010040A1010kn10S10CCK10(1.1121)101010101010040A10,050A10,060A10XC1010S12C101210121012040A12,050A12,060A12XC1215F040A1515kn15S15C,S15CKC15(1.0401),CK15(1.1141),Cm15(1.1140)101510151015040A15,050A15,060A1515S17C101710171017040A17,050A17,060A17XC1820F040A2020kn20S20C,S20CK102010201020050A20,060A2020S22CC22(1.0402),CK22(1.1151)102310231023040A22,050A22,060A2225S25C1025,10261025,10261025,1026060A25,080A25XC2525R683/IC25eS28C102910291029060A27,080A2730S30C103010301030060A30,XC3230R683/IC30e080A30,080M30S33C103510351035060A32,080A3235S35CC35(1.0501),CK35(1.1181),Cm35(1.1180)1035,10371035,10371035,1037060A35,080A35XC3535R683/IC35e项目中国GB,YB日本JIS德国DIN(W-Nr.)美国英国BS法国NF前苏联ГОСТ国际ISOASTMAISISAE普通含锰量钢组S38C103810381038060A37,080A37XC3840S40C1040,10391040,10391040,1039060A40,080A40,080M4040R683/IC40eS43C1042,10431042,10431042,1043060A42,080A42XC4245S45CC45(1.0503),CK45(1.1191),Cm45(1.1201)1045,10461045,10461045,1046060A47,080A47,080M46XC4545R683/IC45eS48C1045,1046,10491045,1046,10491045,1046,1049060A47,080A47XC48501050,10531050,10531050,1053080M5050R683/IC50eS53C105510551055060A52,080A5255S55CC55(1.0535),CK55(1.1181),Cm55(1.1209)105510551055070M55,060A57,080A57XC5555R683/IC55e60S58CC60(1.0601),CK60(1.1221),Cm60(1.1223)106010601060060A62,080A6260R683/IC60e65106510651065060A67,080A67XC656570107010701070060A72,070A72,080A72XC707075107410741074060A78,070A78,080A787580108010801080060A82,080A83XC808085108410841084060A86,080A8685项目中国GB,YB日本JIS德国DIN(W-Nr.)美国英国BS法国NF前苏联ГОСТ国际ISOASTMAISISAE(2)较高含锰量钢组15Mn17Mn4(1.8044)1016,10191016,10191016,1019080A15,080A1715Г20Mn1021,10221021,10221021,1022080A20,070M20XC1820Г25MnS28C102610261026070M2625Г30MnS30C103010301030080A30,080A32XC3230Г35MnS35C103710371037080A3535Г40MnS40C40Mn4(1.5038)1039,10401039,10401039,1040080A4040Г45MnS45C1043,10461043,10461043,1046080A4745Г50MnS53C1050,10531050,10531050,1053080A52,080M50XC4850Г60Mn15611561080A6460Г65Mn15661566(1066)65Г70Mn1572157270Г［返回］碳素工具钢项目中国GB,YB日本JIS德国DIN(W-Nr.)美国英国BS法国NF前苏联ГОСТ国际ISOASTMAISISAET7SK7,SK6W1-71204Y275,1304Y375Y7T8SK6,SK5W1-71/2Y8T8MnSK5Y8ГT9SK4,SK5W2-81/2,W1-81/2WB1AY9T10SK3,SK4W2-91/2,W1-91/2BW1B1203Y290,1303Y390Y10T11SK3W1-101/21202Y2105Y11T12SK2W1-111/2BW1C1201Y2120Y12T13SK1W2-13,W1-121/21200Y2135Y13T7A1105Y165Y7AT8AC80W1(1.1525)(VDEh)1104Y175Y8AT8MnAC85WS(1.1830)(VDEh)Y8ГAT9A1103Y1909YAT10AC105W1(1.1545)(VDEh)Y10AT11A1102Y1105Y11AT12A1101Y1120Y12AT13AY13A［返回］合金结构钢项目中国GB,YB日本JIS德国DIN(W-Nr.)美国英国BS法国NF前苏联ГОСТ国际ISOASTMAISISAE(1)锰钢组09Mn209Г210Mn21513151310Г215Mn215Г220Mn2SMn420(SMn21)102410241524(1024)150M1920Г230Mn2SMn433(SMn1)28Mn6(1.5065),30Mn5(1.5066)133013301330150M2830Г235Mn2SMn438(SMn2)36Mn5(1.5067)133513351335150M3635Г240Mn2Smn443(SMn3)13401340134040Г245Mn2Smn443(SMn3)13451345134545Г250Mn2105210521552(1052)50Г(2)硅锰钢组27SiMn27CГ35SiMn37MnSi5(1.5122)35CГ42SiMn46MnSi4(1.5121)43CГ15MnV15MnV5(1.5213)(3)锰钒钢组42Mn2V42MnVT(1.5223)(4)铬钢组15CrSCr415（SCr21）5115511512C315X20CrSCr240（SCr22）512051205120527A19,527M2018C320XR683/Ⅺ430CrSCr430（SCr2）5130,51325130,51325130,5132530A30,530A3232C430X35CrSCr435（SCr3）34Cr4(1.7033),37Cr4(1.7034)513551355135530A3638C435XR683/Ⅶ240CrSCr440（SCr4）41Cr4(1.7035)514051405140530A40,530M4042C440XR683/Ⅶ345CrSCr445（SCr5）5147,51455147,51455147,514545C445X50Cr51505150515050X(5)铬硅钢组38CrSi38XC40CrSi40XC(6)铬锰钢组38CrMn16MC515XГ,18XГ15CrMn20MnCr4(1.7147)20MC520XГ40CrMn40XГ项目中国GB,YB日本JIS德国DIN(W-Nr.)美国英国BS法国NF前苏联ГОСТ国际ISOASTMAISISAE(7)铬锰硅钢组20CrMnSi20XГC25CrMnSi25XГC30CrMnSi30XГC35CrMnSi35XГCA(8)铬钒钢组20CrV22CrV4(1.7513)20Xψ40CrV42CrV6(1.7561)40XψA50CrVSUF1050CrV4(1.8159)615061506150735A5050CV450XψA(9)铬锰钛钢组30CrMnTi30XГT(10)钼钢组16Mo15Mo3(1.5415)16M(11)铬钼钢组12CrMo13CrMo44(1.7335)1501-620Gr·2712CD412XM15CrMoSCM415(SCM21)16CrMo44(1.7