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结构件丝的室温力学性能(GB/T 3623—2007) |
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牌号 |
直径/mm |
室温力学性能 |
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抗拉强度 Rm/MPa |
断后伸长率 A/% |
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TA1 |
4.0~7.0 |
≥240 |
≥24 |
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TA2 |
≥400 |
≥20 |
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TA3 |
≥500 |
≥18 |
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TA4 |
≥580 |
≥15 |
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TA1 |
0.1~＜4.0 |
≥240 |
≥15 |
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TA2 |
≥400 |
≥12 |
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TA3 |
≥500 |
≥10 |
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TA4 |
≥580 |
≥8 |
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TA1-1 |
1.0~7.0 |
295~470 |
≥30 |
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TC4ELI |
1.0~7.0 |
≥860 |
≥10① |
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TC4 |
1.0~2.0 |
≥925 |
≥8 |
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≥2.0~7.0 |
≥895 |
≥10 |
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注：直径小于2.0的丝材的延伸率不满足要求时可按实测值报出。 |
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