| 
 
| 中 国
 | 德 国 | 法 国 | 国际标准 | 日 本 | 瑞 典 | 英 国 | 美 国 |  
| GB | DIN | W-Nr. | NF | ISO | JIS | SS | BS | ASTM | UNS |  
|   |  
| Q195(A1,B1)
 | S185(st33)
 | 1.0035 | S185(A33)
 | HR2 | - | - | S185(140A10)
 | A285M Gr.B | - |  
| Q215A | USt34-2 | 1.0028 | A34 | HR1 | SS330(SS34)
 | 1370 | 040A12 | A283M Gr.C | - |  
| A215B(A2,C2)
 | RSt34-2 | 1.0034 | A34-2NE | - | - | - | - | A573M Gr.58 | - |  
| Q235A | S235JR | 1.0037 | S235JR | Fe 360A | SS 400(SS 41)
 | 1311 | S235JR | A570 Gr.A | K02501 |  
| Q235B | S235JRG1 | 1.0036 | S235JRG1 | Fe 360D | - | 1312 | S235JRG1 | A570 Gr.D | K02502 |  
| Q235C | S235JRG2(St 37-2)
 (Ust 37-2)
 (RSt 37-2)
 | 1.0038 | S235JRG2(E24-2)
 (E24-2NE)
 | - | - | - | S235JRG2(40B,C)
 | A283M Gr.D | - |  
| Q235D(A3,C3)
 | - | - | - | - | - | - | - | - | - |  
| Q255A | St44-2 | 1.0044 | E28-2 | - | SM 400A | 1412 | 43B | A709M Gr.36 |   |  
| Q255D(A4,C4)
 | - | - | - | - | SM400B(SM 41A)
 (SM 41B)
 | - | - | - | - |  
| Q275(C5)
 | S275J2G3S275J2G4
 (St44-3N)
 | 1.01441.0145
 1.0055
 | S275J2G3S275J2G4
 | Fe430A | SS490(SS50)
 | 1430 | S275J2G3S275J2G4
 (43D)
 | - | K02901 |  
|   |  
| 注: 括 号 内 为 旧 钢 号 |  
|   |  
| (二)优 质 碳 素 结 构 钢 |  
|   |  
| 中 国 | 德 国 | 法 国 | 国际标准 | 日 本 | 瑞 典 | 英 国 | 美 国 |  
| GB | DIN | W-Nr | NF | ISO | JIS | SS14 | BS | ASTM/AISI | UNS |  
|   |  
| 05F | D6-2 | 1.0314 | - | - | - | - | 015A03 | 1005 | G10050 |  
| 08F | USt4 | 1.0336 | - | - | S9CK | - | - | ≈1008 | - |  
| 08 | - | - | XC6 | - | - | - | 040A04050A04
 | 1008 | G10080 |  
| 10F | USt13 | - | - | - | - | - | - | ≈1010 | - |  
| 10 | C10Ck10
 | 1.03011.1121
 | C10XC10
 | - | S10C | 1265 | 040A10045M10
 | 1010 | G10100 |  
| 15 | C15Ck15
 | 1.04011.1141
 | C12XC15
 | - | S15C | 13501370
 | 040A15080M15
 | 1015 | G10150 |  
| 20 | C22ECk22
 | 1.1151 | C22EXC18
 | - | S20C | 1435 | C22E070M20
 | 1020 | G10200 |  
| 25 | C25ECk25
 | 1.1158 | C25EXC25
 | C25E4 | S25C | - | C25E070M26
 | 1025 | G10250 |  
| 30 | C30ECk30
 | 1.1178 | C30EXC32
 | C30E4 | S30C | - | C30E080M30
 | 1030 | G10300 |  
| 35 | C35ECk35
 | 1.1181 | C35EXC38
 | C35E4 | S35C | 1572 | C35E080M36
 | 1035 | G10350 |  
| 40 | C40ECk40
 | 1.1186 | C4EXC42
 | C40E4 | S40C | - | C40E080M40
 | 1040 | G10400 |  
| 45 | C45ECk45
 | 1.1191 | C45EXC48
 | C45E4 | S45C | 1660 | C40E080M46
 | 1045 | G10450 |  
| 50 | C50ECk53
 | 1.1210 | C50E | C50E4 | S50C | 1674 | C50E080M50
 | 1050 | G10500 |  
| 55 | C55ECk55
 | 1.1203 | C55EXC55
 | C55E4 | S55C | 1665 | C55E070M55
 | 1055 | G10550 |  
| 60 | C60ECk60
 | 1.1221 | C60EXC60
 | C60E4 | - | 1678 | C60E070M60
 | 1060 | G10600 |  
| 65 | Ck67 | 1.1231 | XC65 | SL,SM | - | 1770 | 060A67 | 1065 | G10650 |  
| 15Mn | 15Mn3 | 1.0467 | 12M5 | - | - | 1430 | 080A15 | 1016 | G10160 |  
| 20Mn | 21Mn4 | 1.0469 | 20M5 | - | - | 1434 | 080A20 | 1022 | G10220 |  
| 25Mn | - | - | - | - | - | - | 080A25 | 1026 | G10260 |  
| 30Mn | 30Mn4 | 1.1146 | 32M5 | - | - | - | 080A30 | 1033 | G10330 |  
| 35Mn | 36Mn4 | 1.0561 | 32M5 | - | - | - | 080A35 | 1037 | G1037 |  
| 40Mn | 40Mn4 | 1.1157 | 40M5 | SL,SM | SWRH42B | - | 080A40 | 1039 | G1039 |  
| 45Mn | - | - | 45M5 | SL,SM | SWRH47B | 1672 | 080A47 | 1046 | G1046 |  
| 50Mn | - | - | - | SL,SM | SWRH52B | 1674 | 080A52 | 1053 | G1053 |  
| 60Mn | 60Mn3 | 1.0642 | - | SL,SM | S58CSWRH62B
 | 1678 | 080A62 | 1062 | - |  
|   |  
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| 中 国 | 德 国 | 法 国 | 国际标准 | 日 本 | 瑞 典 | 英 国 | 美 国 |  
| GB | DIN | - | NF | ISO | JIS | - | - | ASTM | - |  
| Q235 | - | - | FeE235 | PB240 | SR235 | - | - | - | - |  
| 20MnSi | BSt420S | - | FeE400 | RB 400 | SD 390 | - | - | A706M | - |  
| 20MnSiV | - | - | FeTE400 | RB400W | - | - | - | A615M | - |  
| 20MnTi | - | - | FeE 400FeTE 400
 | RB 400RB 400W
 | SD 390 | - | - | A706MA615M
 | - |  
| 25MnSi | - | - | FeE 400FeTE 400
 | RB 400RB 400W
 | SD 390 | - | - | - | - |  
|   |  
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| 中 国 | 德 国 | 法 国 | 国际标准 | 日 本 | 瑞 典 | 英 国 | 美 国 |  
| GB | DIN | W-Nr | NF | ISO | JIS | SS14 | BS | ASTM/AISI | UNS |  
| 20Mn2 | 20Mn6 | 1.1169 | 20M5 | 22Mn6 | SMn420 | - | 150M19 | 1320 | - |  
| 30Mn2 | 30Mn5 | 1.1165 | 32M5 | 28Mn6 | - | - | 150M28 | 1330 | G13300 |  
| 35Mn2 | 36Mn5 | 1.1167 | 35M5 | 36Mn6 | SMn433 | 2120 | 150M6 | 1335 | G13350 |  
| 40Mn2 | - | - | 40M5 | 42Mn6 | SMn438 | - | - | 1340 | G13400 |  
| 45Mn2 | 46Mn7 | 1.0912 | 45M5 | - | SMn443 | - | - | 1345 | G13450 |  
| 50Mn2 | 50Mn7 | 1.0913 | 55M5 | - | - | - | - | - | - |  
| 15MnV | 15MnV5 | 1.5213 | - | - | - | - | - | - | - |  
| 20MnV | 20MnV6 | 1.5217 | - | - | - | - | - | - | - |  
| 42MnV | 42MnV7 | 1.5223 | - | - | - | - | - | - | - |  
| 35SiMn | 37MnSi5 | 1.5122 | 38MS5 | - | - | - | En46S② | - | - |  
| 42SiMn | 46MnSi4 | 1.5121 | 41S7 | - | - | - | - | - | - |  
| 40B | - | - | - | - | - | - | 170H41 | 14B35 | - |  
| 45B | - | - | - | - | - | - | - | 14B50 | - |  
| 40MnB | - | - | 38MB5 | - | - | - | 185H40 | - | - |  
| 15Cr | 15Cr3 | 1.7015 | 12C3 | - | SCr415 | 15X | 523A14523M15
 | 5115 | G51150 |  
| 20Cr | 20Cr4 | 1.7027 | 18C3 | 20Cr4 | SCr420 | - | 527A20 | 5120 | G51200 |  
| 30Cr | 28Cr4 | 1.7030 | 32C4 | - | SCr430 | - | 530A30 | 5130 | G51300 |  
| 35Cr | 34Cr4 | 1.7033 | 38C4 | 34Cr4 | SCr435 | - | 530A36 | 5135 | G51350 |  
| 40Cr | 41Cr4 | 1.7035 | 42C4 | 41Cr4 | SCr440 | 2245 | 530A40530M40
 | 5140 | G51400 |  
| 45Cr | - | - | 45C4 | - | SCr445 | - | - | 5145 | G51450 |  
| 50Cr | - | - | 50C4 | - | - | - | - | 5150 | G51500 |  
| 12CrMo | 13CrMoV44 | 1.7335 | 12CD4 | - | - | 2216 | 1501-620 | 4119 | - |  
| 12CrMoV | - | - | - | - | - | - | Cr27 | - | - |  
| 15CrMo① | 15CrMo5 | 1.7262 | 15CD4.05 | - | SCM415 | - | 1501-620Cr31
 | - | - |  
| 20CrMo | 20CrMo5 | 1.7264 | 18CD4 | 18CrMo4 | SCM420 |   | CDS12 | 4118 | G41180 |  
| 25CrMo① | 25CrMo5 | 1.7218 | 25CD4 | - | - | 2225 | - | - | - |  
| 30CrMo | - | - | 30CD4 | - | SCM430 | - | - | - | - |  
| 35CrMo | 34CrMo4 | 1.7220 | 35CD4 | 34CrMo4 | SCM435 | 2234 | 708A37 | 4135 | G41350 |  
| 35CrMoV | - | - | - | - | - | - | CDS13 | - | - |  
| 42CrMo | 42CrMo4 | 1.7225 | 42CD | 42CrMo4 | SCM440 | 2244 | 708M40 | 4140 | C41400 |  
| 35Cr2MoVA | 24CrMo | 1.7733 | - | - | - | - | - | - | - |  
| 25Cr2Mo1VA | V55 | - | - | - | - | - | - | - | - |  
| 20Cr3MoWVA | 21CrVMoW12 | - | - | - | - | - | - | - | - |  
| 38CrMoA1 | 41CrA1Mo7 | 1.8509 | 40CAD6.12
 | 41CrA1Mo74
 | - | 2940 | 905M39 | - | - |  
| 20CrV | 21CrV4 | 1.7510 | - | - | - | - | - | 6120 | - |  
| 50CrVA | 51CrV4(50CrV4)
 | 1.8159 | , , 
 50CV4 | 13 | SUP10 | 2230 | 735A50 | 6150 | G61500 |  
| 15CrMn | 16MnCr5 | 1.7131 | 16MC5 | - | - | 2511 | - | 5115 | G51150 |  
| 20CrMn | 20MnCr5 | 1.7147 | 20MC5 | 20MnCr5 | SMnC420 | - | - | 5120 | G51200 |  
| 20CrMnMo | - | - | - | - | SCM421 | - | - | 4119&, lt;, /DIV> | - |  
| 40CrMnMo | 42CrMo4 | 1.7225 | - | 42CrMo4 | SCM440 | - | 708A42 | 4142 | G41420 |  
| 30CrMnTi | 30MnCrTi4 | 1.8401 | - | - | - | - | - | - | - |  
| 40CrNi | 40NiCr6 | 1.5711 | - | - | - | - | 640M40 | 3140 | G31400 |  
| 12CrNi2 | 14NiCr10 | 1.5732 | 14NC11 | - | SNC415 | - | - | 3415 | - |  
| 12CrNi3 | 14NiCr14 | 1.5752 | 14NC12 | 15NiCr13 | SNC815 | - | 665A12665M13
 | 3310 | G33106 |  
| 20CrNi3 | - | - | 20NC11 | - | - | - | - | - | - |  
| 30CrNi3 | 31NiCr14 | 1.5755 | 30NC11 | - | SNC836 | - | 653M31 | 3435 | - |  
| 12Cr2Ni4 | 14NiCr18 | 1.5860 | 12NC15 | - | - | - | 659M15 | 2515 | - |  
| 20Cr2Ni4 | ~14NiCr14 | 1.5752 | 18NC13 |   | ~SNC815 |   | ~665M13 | 3316 | - |  
| 20CrNiMo | 21NiCrMo2 | 1.6523 | 20NCD2 | 20NiCrMo2 | SNCM220 | 2506 | 805M20 | 8620 | G86200 |  
| 45CrNiMoVA | 36CrNiMo4 | 1.6511 | 40NCD3 | - | SNCM439 | - |  | 4340 | G43400 |  |