|
Continued
Table Above |
||||||||
| Item | Unified No. | Steel Grade(GB/T) | Components/% | Ni | Cu | P | S | |
| W | B | Not more than | ||||||
| 1 | U20652 | 65 | 0.25 | 0.25 | 0.035 | 0.035 | ||
| 2 | U20702 | 70 | 0.25 | 0.25 | 0.035 | 0.035 | ||
| 3 | U20852 | 85 | 0.25 | 0.25 | 0.035 | 0.035 | ||
| 4 | U21653 | 65Mn | 0.25 | 0.25 | 0.035 | 0.035 | ||
| 5 | A77552 | 55SiMnVB | 0.0005-0.0035 | 0.35 | 0.25 | 0.035 | 0.035 | |
| 6 | A11602 | 60Si2Mn | 0.35 | 0.25 | 0.035 | 0.035 | ||
| 7 | A11603 | 60Si2MaA | 0.35 | 0.25 | 0.025 | 0.025 | ||
| 8 | A21603 | 60Si2CrA | 0.35 | 0.25 | 0.025 | 0.025 | ||
| 9 | A28603 | 60Si2CrVA | 0.35 | 0.25 | 0.025 | 0.025 | ||
| 10 | A21553 | 55SiCrA | 0.35 | 0.25 | 0.025 | 0.025 | ||
| 11 | A22553 | 55CrMnA | 0.35 | 0.25 | 0.025 | 0.025 | ||
| 12 | A22603 | 60CrMnA | 0.35 | 0.25 | 0.025 | 0.025 | ||
| 13 | A23503 | 50CrVA | 0.35 | 0.25 | 0.025 | 0.025 | ||
| 14 | A22613 | 60CrMnBA | 0.0005-0.0040 | 0.35 | 0.25 | 0.025 | 0.025 | |
| 15 | A27303 | 30W4Cr2VA | 4.00-4.50 | 0.35 | 0.25 | 0.025 | 0.025 | |
| GRADES COMPARISON FOR SPRING STEEL | ||||||||
| CHINA | U.S.A | JAPAN | Germany | France | Birtain | ISO | Korea | Taiwan |
| GB/T | ASTM | JIS | DIN | NF | BS | KS | CNS | |
| 65 | 1065 | SUP2 S65-CSP | 60E | XC65 | 060A67 | C60E4 | - | - |
| 70 | 1070 | S70C-CSP | 60E | XC70 | 070A72 | 8458-3 DAB | - | - |
| 85 | 1084 | SUPS SK5-CSP | C85E | XC85 | 060A86 | 8458-2 DH | SUP1 | SUP3 |
| 65Mn | 1566 | S60C-CSP | CK67 | - | 080A67 | C60E4 | - | - |
| 55Si2Mn | 9255 | SUP6 | 55Si7 | 55Si7 | 251H60 | 55SiCr7 | - | - |
| SUP7 | ||||||||
| 55SiMnVB | - | - | - | - | ||||
| 60Si2Mn | 9260 | SUP6 | 65Si7 | 60Si7 | 251H60 | 61SiCr7 | SPS3 | SUP6 |
| SUP7 | ||||||||
| 60Si2MnA | 9260 | SUP6 | 60SiMn5 | 55Cr7 | 251H6 | 61SiCr7 | SPS3 | SUP6 |
| SUP7 | ||||||||
| 60Si2CrA | - | - | 60SiCr7 | 60SiCr7 | 685H57 | 55SiCr6-3 | - | - |
| 60Si2CrVA | - | - | - | 60SiCr7 | - | 55SiCr6-3 | - | - |
| 55SiCrA | - | - | - | - | ||||
| 55CrMnA | 5155 | SUP9 | 55Cr3 | 55Cr3 | 527A60 | 55Cr3 | SPS5 | SUP9 |
| 60CrMnA | 5160 | SUP9A | 55Cr3 | 55Cr3 | 527A60 | - | SPS5A | SUP9A |
| 60CrMnMoA | 4161 | SUP13 | 51CrMoV4 | 51CrMoV4 | 705H60 | 60CrMo3-3 | SPS9 | SUP13 |
| 50CrVA | 6150 | SUP10 | 51CrV4 | 50CrV4 | 735A51 | 51CrV4 | SPS6 | SUP10 |
| 60CrMnBA | 51B60H | SUP11A | 52MnCr83 | - | - | 60VrB3 | SPS7 | SUP11 |
| 30W4Cr2VA | - | - | - | - | - | - | - | - |