55# Steel Round Bar
Grade: 55#
Usage:Be used to make high tension spare, such as compressor piston,shaft,gear and so on.
Chemical Composition % | |||||||
| C | Si | Mn | P | S | Ni | Cr | Cu |
| 0.52-0.60 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.25 | ≤0.25 |
| Mechanical Property | |||
| Tensile Strength | Elongation | Shrinking | Yield Point |
| 645Mpa | 13% | 35% | 380Mpa |
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