S235JRG1 S235JRG2 S275JR S275Jo S235J2G3 S275J2G4 S355JR S355Jo S355J2G3 S355J2G4 S355K2G3 S355K2G4 E295 E355 E360
细晶粒低合金结构钢
S255N S255NH S255NL S255NL1 P275N S275NL P275NH P275NL1 P275NL2 P315N
P315NH P315NL P315NL1 P355N S355N S355NL P355NL P355NH P355NL1 P355NL2
S380N P380NH S380NL S380NL1 S420N P420NH S420NL S420NL1 P460N S460NL P460NH P460NL1 P460NL2 S500N P500NH S500NL S500NL1
焊接结构耐侯钢
S235JRW S235J0W S235J2W S355J2W S355J2G1W S355J0WP S355J2WP S355K2W S355K2G1W 9CrNiCuP3-2-4