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55CrMnA / A22553 Spring Steel
Material Name
Material Name: 55CrMnA / A22553
Execution standard: GB/T 1222-2007
Chemical Composition
| ■Chemical Composition(％) |
|
|
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||||
| C | Si | Mn | Cr |
Ni |
Cu |
P | S |
| 0.52-0.6 | 0.17-0.37 | 0.65-0.95 |
0.65-0.95 |
Max 0.35 |
Max 0.25 |
Max 0.025 | Max 0.025 |
Physical Properties
| ■Characteristic |
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|
|
|
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Tensile strength /MPa |
Yield Strength /MPa |
Elongation of cross section /％ |
Reduction of cross section /％ |
Hardness (HBW) |
|
Above 1225 |
Above 1080 |
Above 9 |
Above 20 |
Below 321 |
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