造船用钢一般是指船体结构用钢，它指按船级社建造规范要求生产的用于制造船体结构的钢材。常作为专用钢订货、排产、销售，一船包括船板、型钢等。
品种规格
船体用结构钢按照其最小屈服点划分强度级别为：一般强度结构钢和高强度结构钢。中国船级社规范标准的一般强度结构钢分为：A、B、D、E四个质量等级；中国船级社规范标准的高强度结构钢为三个强度级别、四个质量等级：
| 规格 |
| ABS |
BV |
DNV |
GL |
KR |
LR |
NK |
RINA |
| AR、CR |
TMCP |
N |
AR、CR、N |
TMCP |
| A |
AB/A |
AB/A |
AB/AN |
BVA |
NV A |
GL-A |
GL-ATM |
KRA |
LRA |
KA |
RINA－A |
| B |
AB/B |
AB/B |
AB/BN |
BVB |
NV B |
GL-B |
GL-BTM |
KRB |
LRB |
KB |
RINA－B |
| D |
AB/D |
AB/DN |
AB/DN |
BVD |
NV D |
GL-D |
GL-DTM |
KRD |
LRD |
KD |
RINA－D |
| E |
AB/E |
AB/E |
AB/EN |
BVE |
NV E |
GL-E |
GL-ETM |
KRE |
LRE |
KE |
RINA－E |
| AH32 |
AB/AH32 |
AB/AH32 |
AB/AH32N |
BVAH32 |
NV A32 |
GL-A32 |
GL-A32TM |
KRAH32 |
LRAH32 |
KA32 |
RINA－AH32 |
| DH32 |
AB/DH32 |
AB/DH32N |
AB/DH32N |
BVDH32 |
NV D32 |
GL-D32 |
GL-D32TM |
KRDH32 |
LRDH32 |
KD32 |
RINA－DH32 |
| EH32 |
AB/EH32 |
AB/EH32 |
AB/EH32N |
BVEH32 |
NV E32 |
GL-E32 |
GL-E32TM |
KREH32 |
LREH32 |
KE32 |
RINA－EH32 |
| FH32 |
AB/FH32 |
AB/FH32 |
AB/FH32N |
BVFH32 |
NV F32 |
GL-F32 |
GL-F32TM |
KRFH32 |
LRFH32 |
KF32 |
RINA－FH32 |
| AH36 |
AB/AH36 |
AB/AH36 |
AB/AH36N |
BVAH36 |
NV A36 |
GL-A36 |
GL-A36TM |
KRAH36 |
LRAH36 |
KA36 |
RINA－AH36 |
| DH36 |
AB/DH36 |
AB/DH36N |
AB/DH36N |
BVDH36 |
NV D36 |
GL-D36 |
GL-D36TM |
KRDH36 |
LRDH36 |
KD36 |
RINA－DH36 |
| EH36 |
AB/EH36 |
AB/EH36 |
AB/EH36N |
BVEH36 |
NV E36 |
GL-E36 |
GL-E36TM |
KREH36 |
LREH36 |
KE36 |
RINA－EH36 |
| FH36 |
AB/FH36 |
AB/FH36 |
AB/FH36N |
BVFH36 |
NV F36 |
GL-F36 |
GL-F36TM |
KRFH36 |
LRFH36 |
KF36 |
RINA－FH36 |
| AH40 |
AB/AH40 |
AB/AH40 |
AB/AH40N |
BVAH40 |
NV A40 |
GL-A40 |
GL-A40TM |
KRAH40 |
LRAH40 |
KA40 |
RINA－AH40 |
| DH40 |
AB/DH40 |
AB/DH40N |
AB/DH40N |
BVDH40 |
NV D40 |
GL-D40 |
GL-D40TM |
KRDH40 |
LRDH40 |
KD40 |
RINA－DH40 |
| EH40 |
AB/EH40 |
AB/EH40 |
AB/EH40N |
BVEH40 |
NV E40 |
GL-E40 |
GL-E40TM |
KREH40 |
LREH40 |
KE40 |
RINA－EH40 |
| FH40 |
AB/FH40 |
AB/FH40 |
AB/FH40N |
BVFH40 |
NV F40 |
GL-F40 |
GL-F40TM |
KRFH40 |
LRFH40 |
KF40 |
RINA－FH40 |
| AH420 |
AB/AQ43 |
AB/AQ43 |
AB/AQ43N |
BVAH420 |
NV A420 |
GL-A420 |
GL-A420TM |
KRAH43 |
LRAH42 |
KA43 |
RINA－A420 |
| DH420 |
AB/DQ43 |
AB/DQ43 |
AB/DQ43N |
BVDH420 |
NV D420 |
GL-D420 |
GL-D420TM |
KRDH43 |
LRDH42 |
KD43 |
RINA－D420 |
| EH420 |
AB/EQ43 |
AB/EQ43 |
AB/EQ43N |
BVEH420 |
NV E420 |
GL-E420 |
GL-E420TM |
KREH43 |
LREH42 |
KE43 |
RINA－E420 |
| FH420 |
AB/FQ43 |
AB/FQ43 |
AB/FQ43N |
BVFH420 |
NV F420 |
GL-F420 |
GL-F420TM |
KRFH43 |
LRFH42 |
KF43 |
RINA－F420 |
| EH460 |
AB/AQ47 |
AB/AQ47 |
AB/AQ47N |
BVAH460 |
NV A460 |
GL-A460 |
GL-A460TM |
KRAH47 |
LRAH46 |
KA47 |
RINA－A460 |
| DH460 |
AB/DQ47 |
AB/DQ47 |
AB/DQ47N |
BVDH460 |
NV D460 |
GL-D460 |
GL-D460TM |
KRDH47 |
LRDH46 |
KD47 |
RINA－D460 |
| EH460 |
AB/EQ47 |
AB/EQ47 |
AB/EQ47N |
BVEH460 |
NV E460 |
GL-E460 |
GL-E460TM |
KREH47 |
LREH46 |
KE47 |
RINA－E460 |
| FH460 |
AB/FQ47 |
AB/FQ47 |
AB/FQ47N |
BVFH460 |
NV F460 |
GL-F460 |
GL-F460TM |
KRFH47 |
LRFH46 |
KF47 |
RINA－F460 |
