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Steel | Grade
Iron and steel materials are widely used in modern construction, and there are many varieties and specifications. Through the classification of steel and the use of brand representation methods, the characteristics of each steel material are expressed with prescribed symbols, which brings great convenience to the selection and use of steel materials.
| 中国 | ISO | 日本 | 韩国 | 德国 | 法国 | 英国 | 美国 |
|---|---|---|---|---|---|---|---|
| Q195 | E185 | SS330 | SS330 | S185/1.0035 | S185 | S185 | Grade B |
| Q235A/B | E235A/B | SS400 | SS400 | S235JR/1.0038 | S235JR | S235JR | Grade D |
| Q355B | HS355C/-D | SM520C | SM490AW | E355/1.0060 | E355JR | E355JR | ClassD/A |
| Q355D | E355ML | E355DD | SEV245 | S355MC/1.0984 | S355MC | S355MC | GradeD |
| 10 | C10 | S10C | SM10C | C10E/1.1121 | C10E | C10E | 1010/G10100 |
| 20 | C20E4 | S20C | SM20C | C22E/1/1151 | C22E | C22E | 1020/G10200 |
| 45 | C45E4 | S45C | SM45C | C45E/1.1191 | C45E | C45E | 1045/G10450 |
| 15Mn | CC15K | SWRCH16K | SWRCH16K | 15Mn3/1.0467 | C16E | 08A15 | 1016/G10160 |
| 20Mn | C20E4 | SWRCH22K | SWRCH22K | C22E/1.1151 | 20M5 | 08A20 | 1022/G10220 |
| 25Mn | C25E4 | SWRCH30K | SWRCH30K | ---- | ---- | C25E | 1026/G10260 |
| 30Mn | C30E4 | SWRCH30K | SWRCH30K | C30E/1.1178 | 32M5 | C30E | 1033/G10330 |
| 35Mn | C35E4 | SWRCH33K | SWRCH33K | C35E/1.1181 | C35E | C35E | 1037/G10370 |
| 40Mn | C40E4 | SWRCH40K | SWRCH40K | C40E/1.1186 | C40E 40M5 | C40E | 1039/G10390 |
| 45Mn | C45E4 | SWRCH45K | SWRCH45K | C45E/1.1191 | C45E 45M5 | C45E | 1046/G10460 |
| 20Mn2 | 22MN6 | SMN420 | SMN420 | 20MN6/1.1169 | 20M5 | 15M19 | 1524/G15240 |
| 30Mn2 | 28MN6 | SMN433 | SMN433 | 30MN5/1.1173 | 28MN6 32M5 | 28MN6 | 1330/G13300 |
| 35Mn2 | 36MN6 | SMN433 | SMN433 | 36MN5/1.1167 | ---- | 150M36 | 1335/G13350 |
| 40Mn2 | 42MN6 | SMN438 | SMN438 | 36MN5/1.1167 | 45M5 | ---- | 1340/G13400 |
| 27SIMn | ---- | ---- | ---- | ---- | ---- | ---- | ---- |
| 15CR | ---- | SCR415 | SCR415 | 17CR3/1.7016 | 17CR3 | 17CR3 523M15 | 5115/G51150 |
| 20CR | 20CR4 | SCR420 | SCR420 | 20CR4/1.7027 | 18CR3 | 527M20 | 5120/G51200 |
| 30CR | 34CR4 | SCR430 | SCR430 | 28CR4/1.7030 | 28CR4 28C4 | 28C4 530A30 | 5130/G51300 |
| 35CR | 37CR4 | SCR435 | SCR435 | 37CR4/1.7034 | 37CR4 38C4 | 37CR4 530A36 | 5130/G51300 |
| 40CR | 41CR4 | SCR440 | SCR440 | 41CR4/1.7035 | 41CR4 42C4 | 41CR4 530M40 | 5140/G51400 |
| 20G | P235GH | SB450(SB46) | SBB450(SBB46) | P235GH/1.0345 | P235GH | P235GH | GRADE415(GRADE60) |
| 22MNG | 22MN6 | SB480(SB49) | SBB480(SBB49) | P265GH/1.0425 | P265GH | P265GH | GRADE485(GRADE70) |
| 16MNG | P235GH | SPV355 | SPPV355 | P235GH/1.0345 | P235GH | P235GH | GLASS1 |
| 19MNG | P355GH | ---- | ---- | P355GH/1.0473 | P355GH | P355GH | GLASS1 |
| 15CRMOG | 14CRMO4-5 | SCMV2 | SCMV2 | 16CRMO4-4 | 15CD4.05 | 620-460 | F12 CLASS2 |
| 12CR1MOVG | 13CRMO4-5 | SCMV2 DIVISION2 | SCMV2 | 13CRMO4-5/1.7335 | 13CRMO4-5 | 13CRMO4-5 | GRADE12 CLASS2 |
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