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Effects of Strain Aging on the Mechanical Properties of ASTM A 500 Grade B Structural Steel Tubing

机译：应变时效对asTm a 500 B级结构钢管力学性能的影响

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Changes in the mechanical properties of cold-formed A 500 structural steel tubing occurred at and above room temperature due to strain aging. Reduction in longitudinal ductility (% elongation) due to strain aging was, however, not found to be significant in this study. Tubing fabricated from aluminium-killed steel appeared to respond less to strain aging at room temperature than nonkilled steel. Aluminum-killed material did not, however, eliminate strain aging. This study suggests that lateral strains as produced in square and rectangular shapes cold-formed from round tubing do not have the same effect on longitudinal ductility as does longitudinal straining. Comparison of individual tensile tests to represent a given state of strain aging produces excessive random data scatter to be meaningful. A minimum of 5 test samples to characterize each temper state is recommended. (ERA citation 11:051291)

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作者
Guthrie, P.;
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作者单位

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年度 1986
页码 1-18
总页数 18
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Steels; Strain Aging; Mechanical Properties; Tensile Properties; Tubes;

机译：钢;应变时效;机械性能;拉伸性能;管;

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Effects of Strain Aging on the Mechanical Properties of ASTM A 500 Grade B Structural Steel Tubing

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