| 预应变对X80级螺旋缝埋弧焊接管线钢拉伸性能的影响 |
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| 引用本文： | 孙宏.预应变对X80级螺旋缝埋弧焊接管线钢拉伸性能的影响[J].理化检验(物理分册),2009,45(1):18-19. |
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| 作者姓名： | 孙宏 |
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| 作者单位： | 华油钢管有限公司,河北,青县,062658
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| 摘 要： | 对X80级钢螺旋缝埋弧焊接钢管材料进行轴向拉伸预应变量与拉伸性能关系的试验研究。结果表明：随着预应变量的增加（≥1．5％），管体横向的屈服强度上升，而抗拉强度则无明显变化。
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| 关 键 词： | X80钢 螺旋缝埋弧焊接钢管 拉伸性能 预应变 |
Effect of Prestrain on Tensile Properties for X80 Grade Spiral Submerged-arc Welding Steel Pipe |
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| SUN Hong.Effect of Prestrain on Tensile Properties for X80 Grade Spiral Submerged-arc Welding Steel Pipe[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2009,45(1):18-19. |
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| Authors: | SUN Hong |
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| Affiliation: | North China Petroleum Steel Pipe Co.Ltd.;Qingxian Hebei 062658;China |
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| Abstract: | The relation between axial tensile prestrain and tensile properties of grade X80 spiral submergedarc welding （SSAW） steel pipe was analyzed by experiments. The result showed that the yield strength of the pipe body in transverse-to-pipe-axis （TPA） orientation increased with prestrain increasing（≥1. 5%）, whereas ultimate tensile strength maintains the same. |
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| Keywords: | X80 steel SSAW steel pipe tensile property prestrain |
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