Comparison of steel grades in China and other stamdards
Publish Time: 2020-11-11 Origin: Site
| Name | China | U.S.A. | Japan | Germany | Britain | Frence | Russia | ISO |
| GB | AST | JIS | DIN、DINEN | BS、BSEN | NF、NFEN | Г OCT | ISO 630 | |
| Grade | Grade | Grade | Grade | Grade | Grade | Grade | -- | |
| Quality carbon structural steel | 08F | 1008 1010 | SPHD SPHE | -- | 040A10 | -- | 80KП | -- |
| 10 | 1010 | S10C S12C | CK10 | 040A12 | XC10 | 10 | C101 | |
| 15 | 1015 | S15C S17C | CK15 Fe360B | 08M15 | XC12 Fe306B | 15 | C15E4 | |
| 20 | 1020 | S20C S22C | C22 | IC22 | C22 | 20 | -- | |
| 25 | 1025 | S25C S28C | C25 | IC25 | C25 | 25 | C25E4 | |
| 40 | 1040 | S40C S43C | C40 | IC40 080M40 | C40 | 40 | C40E4 | |
| 45 | 1045 | S45C S48C | C45 | IC45 080A47 | C45 | 45 | C45E4 | |
| 50 | 1050 | S50C S53C | C50 | IC50 080M50 | C50 | 50 | C50E4 | |
| 15Mn | 1019 | -- | -- | 080A15 | -- | 15r | -- |
| Name | China | U.S.A. | Japan | Germany | Britain | Frence | Russia | ISO |
| GB | AST | JIS | DIN、DINEN | BS、BSEN | NF、NFEN | Г OCT | ISO 630 | |
| Grade | Grade | Grade | Grade | Grade | Grade | Grade | ||
| Carbon steel | Q195 | Cr.B | SS330 SPHC SPHD | S185 | 040A10 S185 | S185 | CT1KП CT1CП CT1ПC | |
| Q215A | Cr.C Cr.58 | SS330 SPHC | 040A12 | CT2KП-2 CTCП-2 CT2ПC-2 | ||||
| Q235A | Cr.D | SS400 SM400A | 080A15 | CT3KП-2 CT3CП-2 CT3ПC-2 | E235B | |||
| Q235B | Cr.D | SS400 SM400A | S235JR S235JRG1 S235JRG2 | S235JR S235JRG1 S235JRG2 | S235JR S235JRG1 S235JRG2 | CT3KП-3 CT3CП-3 CT3ПC-3 | E235B | |
| Q255A | SS400 SM400A | CT4KП-2 CT4CП-2 CT4ПC-2 | ||||||
| Q275 | SS490 | CT5П-2 CT5ПC-2 | E275A |
| Name | China | U.S.A. | Japan | Germany | Britain | Frence | Russia | ISO |
| GB | AST | JIS | DIN、DINEN | BS、BSEN | NF、NFEN | Г OCT | ISO 630 | |
| Grade | Grade | Grade | Grade | Grade | Grade | Grade | ||
| carbon tool steel | T7(A) | -- | SK7 | C70W2 | 060A67 060A72 | C70E2U | y7 | TC70 |
| T8(A) | T72301 W1A-8 | SK5 SK6 | C80W1 | 060A78 060A81 | C80E2U | y8 | TC80 | |
| T8Mn(A) | -- | SK5 | C85W | 060A81 | Y75 | y8r | -- | |
| T10(A) | T72301 W1A-91/2 | SK3 SK4 | C105W1 | 1407 | C105E2U | y10 | TC105 | |
| T11(A) | T72301 W1A-101/2 | SK3 | C105W1 | 1407 | C105E2U | y11 | TC105 | |
| T12(A) | T72301 W1A-111/2 | SK2 | -- | 1407 | C120E3U | y12 | TC120 |
| Name | China | U.S.A. | Japan | Germany | Britain | Frence | Russia | ISO |
| GB | AST | JIS | DIN、DINEN | BS、BSEN | NF、NFEN | Г OCT | ISO 630 | |
| Grade | Grade | Grade | Grade | Grade | Grade | Grade | ||
| alloy tool steel | Crl2 | T30403(UNS) (D3) | SKD1 | X210Cr12 | BD3 | X210Cr12 | X12 | 210Cr12 |
| Crl2MolVl | T30402(UNS) (D2) | SKD11 | X155CrVMo121 | BD2 | -- | -- | 160CrMoV12 | |
| 5CrNiMo | -- | -- | -- | -- | -- | 5XгM | -- | |
| 5CrNiMo | T61206(UNS) (L6) | SKT4 | 55NiCrMoV6 | BH224/5 | 55nICrMoV7 | 5XHM | -- | |
| 3Cr2W8V | T20821 | SKD5 | -- | BH21 | X30WCrV9 | 3X2B8ф | 30WCrV9 |
| Name | China | U.S.A. | Japan | Germany | Britain | Frence | Russia | ISO |
| GB | AST | JIS | DIN、DINEN | BS、BSEN | NF、NFEN | Г OCT | ISO 630 | |
| Grade | Grade | Grade | Grade | Grade | Grade | Grade | -- | |
| High-Speed Tool Steel | W18Cr4V | T12001(UNS) (T1) | SKH2 | -- | BT1 | HS18-0-1 | P18 | HS18-0-1 (S7) |
| W18Cr4VCo5 | T12004(UNS) (T4) | SKH3 | S18-1-2-5 | BT4 | HS18-1-1-5 | -- | HS18-1-1-5 (S7) | |
| W6Mo5Cr4V2 | T11302(UNS) (M2) | SKH51 | S6-5-2 | BM2 | HS6-5-2 | p6M5 | HS6-5-2 (S4) |
| Name | China | U.S.A. | Japan | Germany | Britain | Frence | Russia | ISO |
| GB | AST | JIS | DIN、DINEN | BS、BSEN | NF、NFEN | Г OCT | ISO 630 | |
| Grade | Grade | Grade | Grade | Grade | Grade | Grade | -- | |
| stainless steel | 1Cr18Ni9Ti | S32100(UNS) (321) | SUS321 | X6CrNiTi 18-10 | X6CrNiTi 18-10 | X6CrNiTi 18-10 | 12X18H10T | X6CrNiTi1810 11 |
| 2Cr13 | S42000(UNS) (420) | SUS420J 1 | X20Cr13 | 420S37 X20Cr13 | X20Cr13 | 20X13 | 4 | |
| 40Mn | 1043 | SWRH42B | C40 | 080M40 1C40 | C40 | 40Г | SL SM | |
| 45Mn | 1046 | SWRH47B | C45 | 080M47 2C45 | C45 | 45Г | SL SM | |
| 65Mn | 1065 | -- | -- | -- | -- | 65Г A | SL SM TypeSC TypDC |
| Name | China | U.S.A. | Japan | Germany | Britain | Frence | Russia | ISO |
| GB | AST | JIS | DIN、DINEN | BS、BSEN | NF、NFEN | Г OCT | ISO 630 | |
| Grade | Grade | Grade | Grade | Grade | Grade | Grade | -- | |
| Free-cutting structural steels | Y12 | 1211 G12110(UNS) | SUM12 SUM21 | 10S20 | S10M15 | 13MF4 | A12 | 10S20 |
| Y12Pb | 12L13 | SUM22L | 10SPb20 | -- | -- | -- | 10SPb20 11SMnPb28 | |
| Y20 | 1117 G11170(UNS) | SUM32 | C22 | C22 210M15 | C22 | A20 | -- | |
| Y40Mn | 1144 G11440(UNS) | SUM43 | -- | 226M44 | 45MF6.3 | A40Г | 44Mn28 | |
| Y45Ca | 1145 | -- | C45 | C45 | C45 | -- | -- | |
| Y1Cr18Ni9 | -- | SUS303 | X8CrNiS18-9 | 303S31 303S21 | -- | -- | 17 |
| Name | China | U.S.A. | Japan | Germany | Britain | Frence | Russia | ISO |
| GB | AST | JIS | DIN、DINEN | BS、BSEN | NF、NFEN | Г OCT | ISO 630 | |
| Grade | Grade | Grade | Grade | Grade | Grade | Grade | -- | |
| Spring steel | 85 | 1084 | SUP3 | CK85 | -- | FMR86 | -- | TypeDC |
| 55Si2Mn | 9260 H92600 | SUP6 SUP7 | 55Si7 | 251H60 | 56SC7 | -- | 56SiCr7 | |
| 60Si2Mn | H92600 | SUP6 SUP7 | 60SiCr7 | 25H60 | 61SiCr7 | -- | 61SiCr7 | |
| 55CrMA | H51550 G51550 | SUP9 | 55Cr3 | 525A58 527A60 | 55Cr3 | -- | 55Cr3 | |
| 60Si2CrVA | -- | -- | -- | -- | -- | -- | -- | |
| 50CrVA | H51500 G61500 | SUP10 | 50CrV4 | 735A51 | 50CrV4 | 50xФA | 51CrV4 |