<p>1.用途 　　用于石油井钻探。 　　2.种类 　　按SY/T6194-96“石油套管”分短螺纹套管及其接箍和长螺纹套管及其接箍两种。 　　3.规格及外观质量 　　(1)国产套管按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%。 　　(2)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%。 　　(3)接箍外表面不得有折叠、发纹、离层、裂纹、轧折、结疤等缺陷。 　　(4)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。 　　4.化学成分检验 　　(1)按SY/T6194-96规定。套管及其接箍采用同一钢级。含硫量&lt;0.045%，含磷量&lt;0.045%。 　　(2)按GB222-84的规定取化学分析样。按GB223中有关部分的规定进行化学分析。 　　(3)美国石油学会ARISPEC5CT1988第1版规定。化学分析按ASTME59最新版本制样，按ASTME350最新版本进行化学分析。 </p> <p>镀锌管 Ф77.5*3.75 2.5寸*3.75 衡水、广州 5210 5210&nbsp;&nbsp; <br /> 镀锌管 Ф88.5*4.0 3寸*4.0 衡水、广州 5110 5110&nbsp;&nbsp; <br /> 镀锌管 Ф114*4.0 4寸*4.0 衡水、广州 5110 5110&nbsp;&nbsp; <br /> 镀锌管 Ф165*4.5 6寸*4.5 衡水、广州 5400 5400&nbsp;&nbsp; <br /> 镀锌管 Ф219*6 8寸*6.0 衡水、广州 5500 5500 <br /> 本公司库存量大，现有六百多个规格六千多吨优质<a style="word-spacing:0px;font:medium Simsun;text-transform:none;text-indent:0px;white-space:normal;letter-spacing:normal;background-color:#ffffff;orphans:2;widows:2;webkit-text-size-adjust:auto;webkit-text-stroke-width:0px;" href="http://www.tgbuxiugang.com/">太钢不锈钢管</a><span style="display:inline! 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important;float:none;word-spacing:0px;font:medium Simsun;text-transform:none;color:#000000;text-indent:0px;white-space:normal;letter-spacing:normal;background-color:#ffffff;orphans:2;widows:2;webkit-text-size-adjust:auto;webkit-text-stroke-width:0px;">、<span class="Apple-converted-space">&nbsp;</span></span><a style="word-spacing:0px;font:medium Simsun;text-transform:none;text-indent:0px;white-space:normal;letter-spacing:normal;background-color:#ffffff;orphans:2;widows:2;webkit-text-size-adjust:auto;webkit-text-stroke-width:0px;" href="http://www.q345xg.com/">Q345B槽钢</a><span style="display:inline! important;float:none;word-spacing:0px;font:medium Simsun;text-transform:none;color:#000000;text-indent:0px;white-space:normal;letter-spacing:normal;background-color:#ffffff;orphans:2;widows:2;webkit-text-size-adjust:auto;webkit-text-stroke-width:0px;">、<span class="Apple-converted-space">&nbsp;</span></span><a style="word-spacing:0px;font:medium Simsun;text-transform:none;text-indent:0px;white-space:normal;letter-spacing:normal;background-color:#ffffff;orphans:2;widows:2;webkit-text-size-adjust:auto;webkit-text-stroke-width:0px;" href="http://www.q345xg.com/">Q345BH型钢</a><span style="display:inline! 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