SM490A是日本工业标准的牌号(国际牌号),国内一些钢厂也用这个牌号(如:宝钢、鞍钢等)。属于焊接结构用钢,适用于建筑、桥梁、船舶、车辆、工程机械等要求焊接性能优良的结构件。Q345B是中国工业标准的牌号。它们都属于热轧炭素低合金结构钢
热
轧
酸
洗
SPHC SPHD SPCE SS400 St37-2 St52-3 JSH270C JSH440W
S315MC S355MC S420MC S460MC S500MC S550MC S600MC S700MC
SAPH310 SAPH370 SAPH400 SAPH440 SAE1010 SAE1008 SAE1022
QStE340TM QStE380TM QStE420TM QStE460TM QStE500TM QStE550TM
B330CL B380CL B420CL B510LS20C S35C S45C DP600 ZQS500L
冷
轧
板
卷
SPCC SPCD SPCE SPCEN DC01 DC03 DC04 DC05 DC06 CR240LA CR 270LA
ST12 ST14 ST16 BLC BLD BUSD BUFD BSUFD CR180P HC260Y
St37-2G St44-3G St52-3G HC340LA HC 380LA HC 420LA
B170P1 B210P1 B250P1 B180P2 B220P2 SPFC50Y FEE355F
B340/590DP B400/780DP CR340LA HR 420LA CR 240B2 CR210IF
B340LA B 410LA B 240ZK B280VK B340VK B400VK
镀
锌
板
卷
DC51D+Z DC52D+Z DC53D+Z DC54D+Z DC56D+Z ZSTE220P+Z
S220GD+Z S250GD+Z S300GD+Z S350GD+Z S550GD+ZHC180YD+Z B240P1D+Z HC220BD+Z HC300LAD+Z H220PD+Z H260PD+Z H180YD+Z H220YD+Z H260YD+ZH300LAD+Z H300LAD+Z HC300/500DPD+Z HC340/590DPD+Z
H180BD+Z H220BD+Z H260BD+Z HX350LAD+Z
锌
铁
合
金
DC51D+ZF DC52D+ZF DC53D+ZF DC54D+ZF DC56D+ZF H260PD+ZF H220PD+ZF H180YD+ZF H220YD+ZF H260YD+ZF H180BD+ZF H220BD+ZF H260BD+ZF H260LAD+ZF H300LAD+ZF H380LAD+ZF H340LAD+Z H340LAD+ZF
HC300/500DPD+ZF HC220YD+ZF HC260BD+ZF HC260LAD+ZF SP781-440 SP791-440 SP781-340
电
SECC-P5 SECCN5 SECD SECE DC01+ZE DC03+ZE DC04+ZE DC05+ZE DC06+ZE
BLCE+Z BLDE+Z BUSDE+Z BUFDE+Z BSUFDE+Z ,SM490A热轧带钢
SM490A是日本工业标准的牌号(国际牌号),国内一些钢厂也用这个牌号(如:宝钢、鞍钢等)。属于焊接结构用钢,适用于建筑、桥梁、船舶、车辆、工程机械等要求焊接性能优良的结构件。Q345B是中国工业标准的牌号。它们都属于热轧炭素低合金结构钢
热
轧
酸
洗
SPHC SPHD SPCE SS400 St37-2 St52-3 JSH270C JSH440W
S315MC S355MC S420MC S460MC S500MC S550MC S600MC S700MC
SAPH310 SAPH370 SAPH400 SAPH440 SAE1010 SAE1008 SAE1022
QStE340TM QStE380TM QStE420TM QStE460TM QStE500TM QStE550TM
B330CL B380CL B420CL B510LS20C S35C S45C DP600 ZQS500L
冷
轧
板
卷
SPCC SPCD SPCE SPCEN DC01 DC03 DC04 DC05 DC06 CR240LA CR 270LA
ST12 ST14 ST16 BLC BLD BUSD BUFD BSUFD CR180P HC260Y
St37-2G St44-3G St52-3G HC340LA HC 380LA HC 420LA
B170P1 B210P1 B250P1 B180P2 B220P2 SPFC50Y FEE355F
B340/590DP B400/780DP CR340LA HR 420LA CR 240B2 CR210IF
B340LA B 410LA B 240ZK B280VK B340VK B400VK
镀
锌
板
卷
DC51D+Z DC52D+Z DC53D+Z DC54D+Z DC56D+Z ZSTE220P+Z
S220GD+Z S250GD+Z S300GD+Z S350GD+Z S550GD+ZHC180YD+Z B240P1D+Z HC220BD+Z HC300LAD+Z H220PD+Z H260PD+Z H180YD+Z H220YD+Z H260YD+ZH300LAD+Z H300LAD+Z HC300/500DPD+Z HC340/590DPD+Z
H180BD+Z H220BD+Z H260BD+Z HX350LAD+Z
锌
铁
合
金
DC51D+ZF DC52D+ZF DC53D+ZF DC54D+ZF DC56D+ZF H260PD+ZF H220PD+ZF H180YD+ZF H220YD+ZF H260YD+ZF H180BD+ZF H220BD+ZF H260BD+ZF H260LAD+ZF H300LAD+ZF H380LAD+ZF H340LAD+Z H340LAD+ZF
HC300/500DPD+ZF HC220YD+ZF HC260BD+ZF HC260LAD+ZF SP781-440 SP791-440 SP781-340
电
SECC-P5 SECCN5 SECD SECE DC01+ZE DC03+ZE DC04+ZE DC05+ZE DC06+ZE
BLCE+Z BLDE+Z BUSDE+Z BUFDE+Z BSUFDE+Z