ASTM A228
2020-04-08 09:06:23| Specification and Steel Grade | : | ASTM A228 |
| Type | : | High-Carbon Steel |
| Main Chemical Compositions|(%) | : | C0.70～1.00，Mn0.20～0.60 |
| Strength of Extension|σb/MPa | : | 1590～2750 |
| Elasticity Modulus|E/GPa | : | 210 |
| Torsional Property|σb Min(%) | : | 45 |
| Rigidity Modulus|G/GPa | : | 80 |
| Hardness|HRC | : | 41～60 |
| Working Temperature|/℃ | : | 120 |
| Features and Use | : | The piano wire, it is high and uniform strength steel, for high quality spring |
| Remark: | ||
| ①, For helical compression spring or tension spring, the distorting stress should be 75% of σb minimum. | ||
| ②, It is the United States federal specification. | ||
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ASTM A227
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UNS G11520
