ChinaGB/T, YB

AmericaASTM

JapanJIS

GermanyDIN EN

EnglandBS EN

FranceNF EN

ISO

Q195

Grade B

SS330SPHC

S185(1.0035)

E185Fe(310)

Q215

Grade CCS Type B

Q235-A

Grade D

SS400

S235JR (1.0038)

E235 AE235 BE235 CE235 D

Q235-B

S235J0(1.0114)

Q235-C

S235J2(1.0117)

Q235-D

S235JR(1.0038)

Q275

SS Grade40 (275 )

SS490

S275JR(1.0044)S275J0(1.0143)S275J2(1.0145)

E275(Fe430)

Q345-A

Grade50 (345)

SPFC590

E355(1.0060)

E355

Q345-B

S355JR(1.0045)

Q345-C

S355J0(1.0553)

Q345-D

S355J2(1.0577)

Q345-E

S355NL(1.0546)