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METHOD OF IMPROVING COLLAPSE STRENGTH OF HIGH TENSILE STEEL PIPEOIL WELL
METHOD OF IMPROVING COLLAPSE STRENGTH OF HIGH TENSILE STEEL PIPEOIL WELL
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机译:一种提高高强度钢油井塌陷强度的方法
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摘要
PURPOSE:To improve the collapse strength of a high tensile steel pipe for oil wells by cold straightening the quench hardened and tempered pipe followed by heating at 200 - 600 deg.C.
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