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N80石油套管规格外观与质量控制

发布时间:2020-04-02 18:07人气:

N80石油套管规格
产套管按SY/T6194-96规定,套管长度不定尺,其范围8-13m。但不短于6m的套管可以提供,其数量不得超过20%。
N80 petroleum casing specifications
The domestic casing is according to SY / T6194-96, the length of the casing is indefinite, and the range is 8-13m. But no less than 6m sleeves can be provided, and the number must not exceed 20%.
N80石油套管外观
套管的内外表面不得有折叠、发纹、离层、裂纹、轧折和结疤。这些缺陷应完全清除掉,清除深度不得超过公称壁厚的12.5%。
N80 oil casing appearance
The inner and outer surfaces of the sleeve must be free of folds, hairlines, delaminations, cracks, folds and scars. These defects shall be completely removed, and the removal depth shall not exceed 12.5% of the nominal wall thickness.
N80石油套管质量
套管及接箍螺纹表面应光滑,不允许有毛刺、撕破及足以使螺纹中断影响强度和紧密连接的其他缺陷。
N80 oil casing quality
The surface of the casing and coupling threads should be smooth, without burrs, tears, and other defects sufficient to interrupt the threads and affect strength and tight connection.

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