2024年6月13日发(作者：裘俊达)
以下是世界各国金属材料牌号对照汇总，仅供参考：
Q195 = GradeB = SS330 = SPHC = S185 = 1.0035
Q215 = GradeC = CSTypeB = SS330 = SPHC
Q235-A = GradeD = SS440 = S235JR = 1.0038
Q235-B = GradeD = SS440 = S235JO = 1.0114
Q235-C = GradeD = SS440 = S235J2 = 1.0117
Q235-D = SS440 = S235JR =1.0038
Q255-A = Grade 36[250] = SM400A = SS400
Q255-B = Grade 36[250] =SM400B
Q275 = SS Grade 40[275] = SS490 = s275JR =1.0044
= S275JO = 1.0143 = S275J2 = 1.0145
Q295A = Grade 42[290] = SPFC 490 = E295 = 1.0050
Q295B = Grade 42[290] = SPFC 490 = E295 = 1.0050
Q345A = Grade 50[345] = SPFC 590 = E335 = 1.0060
Q345B = Grade 50[345] = SPFC 590 = S355JR =
1.0045
Q345C = Grade 50[345] = SPFC 590 = S355JO =
1.0553
Q345D = Grade 50[345] = SPFC 590 = S355J2 =
1.0577
Q345E = Grade 50[345] = SPFC 590 = S355NL =
1.0546
Q390A = Grade 55[380] = STKT 540
Q390B = Grade 55[380] = STKT 540
Q390C = Grade 55[380] = STKT 540
Q390D = Grade 55[380]
Q390E = Grade 55[380]
Q420A = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q420B = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q420C = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q420D = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q420E = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q460C = Grade 65[450] = SM 570 = SMA 570W =
SMA 570P = S460NL =1.8903 = S460ML = 1.8838
Q460D = Grade 65[450] = SM 570 = SMA 570W =
SMA 570P = S460NL =1.8903 = S460ML = 1.8838
Q460E = Grade 65[450] = SM 570 = SMA 570W =
SMA 570P = S460NL =1.8903 = S460ML = 1.8838
Q500D = SPFC 980Y = S500Q = 1.8924 = S500QL =
1.8903 = S500QL1 = 1.8984
Q500E = SPFC 980Y = S500Q = 1.8924 = S500QL =
1.8903 = S500QL1 = 1.8984
Q550D = Type8 Grade 80[550] = S550Q = 1.8904 =
S550QL = 1.8926 = S550QL1 = 1.8987
Q550E = Type8 Grade 80[550] = S550Q = 1.8904 =
S550QL = 1.8926 = S550QL1 = 1.8987
2024年6月13日发(作者：裘俊达)
以下是世界各国金属材料牌号对照汇总，仅供参考：
Q195 = GradeB = SS330 = SPHC = S185 = 1.0035
Q215 = GradeC = CSTypeB = SS330 = SPHC
Q235-A = GradeD = SS440 = S235JR = 1.0038
Q235-B = GradeD = SS440 = S235JO = 1.0114
Q235-C = GradeD = SS440 = S235J2 = 1.0117
Q235-D = SS440 = S235JR =1.0038
Q255-A = Grade 36[250] = SM400A = SS400
Q255-B = Grade 36[250] =SM400B
Q275 = SS Grade 40[275] = SS490 = s275JR =1.0044
= S275JO = 1.0143 = S275J2 = 1.0145
Q295A = Grade 42[290] = SPFC 490 = E295 = 1.0050
Q295B = Grade 42[290] = SPFC 490 = E295 = 1.0050
Q345A = Grade 50[345] = SPFC 590 = E335 = 1.0060
Q345B = Grade 50[345] = SPFC 590 = S355JR =
1.0045
Q345C = Grade 50[345] = SPFC 590 = S355JO =
1.0553
Q345D = Grade 50[345] = SPFC 590 = S355J2 =
1.0577
Q345E = Grade 50[345] = SPFC 590 = S355NL =
1.0546
Q390A = Grade 55[380] = STKT 540
Q390B = Grade 55[380] = STKT 540
Q390C = Grade 55[380] = STKT 540
Q390D = Grade 55[380]
Q390E = Grade 55[380]
Q420A = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q420B = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q420C = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q420D = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q420E = Grade 60[415] = SEV 295 =S420NL
=1.8912 = S420ML = 1.8836
Q460C = Grade 65[450] = SM 570 = SMA 570W =
SMA 570P = S460NL =1.8903 = S460ML = 1.8838
Q460D = Grade 65[450] = SM 570 = SMA 570W =
SMA 570P = S460NL =1.8903 = S460ML = 1.8838
Q460E = Grade 65[450] = SM 570 = SMA 570W =
SMA 570P = S460NL =1.8903 = S460ML = 1.8838
Q500D = SPFC 980Y = S500Q = 1.8924 = S500QL =
1.8903 = S500QL1 = 1.8984
Q500E = SPFC 980Y = S500Q = 1.8924 = S500QL =
1.8903 = S500QL1 = 1.8984
Q550D = Type8 Grade 80[550] = S550Q = 1.8904 =
S550QL = 1.8926 = S550QL1 = 1.8987
Q550E = Type8 Grade 80[550] = S550Q = 1.8904 =
S550QL = 1.8926 = S550QL1 = 1.8987