<p>主要进出口情况<br /> 　　(1)石油套管主要进口国家有：德国、日本、罗马尼亚、捷克、意大利、英国、奥地利、瑞士、美国，阿根廷、新加坡也有进口。进口标准多参照美国石油学会标准API5A，5AX，5AC。钢级是H-40，J-55，N-80，P-110，C-75，C-95等。规格主要为139.77.72R-2，177.89.19R-2，244.58.94R-2，244.510.03R-2，244.511.05R-2等。 　　(2)API规定长度有三种：即R-1为4.88～7.62m，R-2为7.62～10.36m，R-3为10.36m至更长。 　　(3)部分进口货物标有LTC字样，即长丝扣套管。 　　(4)从日本进口套管除采用API标准外，还有少部分执行日本厂方标准(如新日铁、住友、川崎等)，钢号是NC-55E，NC-80E，NC-L80，NC-80HE等。 　　(5)在索赔案例中，出现过黑扣、丝扣损伤，管体折叠，断扣和螺纹紧密距超差，接箍J值超差等外观缺陷及套管脆裂、屈服强度低等内在品质问题。</p> <p>城市 品名 规格 材质 钢厂/产地 价格 涨跌 备注 <br /> 大邱庄 螺旋管 1420-1620*14 Q235B 福仁 4240 - - <br /> 大邱庄 螺旋管 1820*18 Q235B 博源中油 4610 - - <br /> 大邱庄 螺旋管 1820*9-10 Q235B 惠利通 4660 - 国标 <br /> 大邱庄 螺旋管 219-630*5-8 Q235B 兴达 3760 - - <br /> 大邱庄 螺旋管 219-630*5-8 Q235B 惠利通 4360 - 国标 </p> <p>我公司批发销售不锈钢拉丝板、白钢板、<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.hardonmb.com/">NM360耐磨板</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.hardonmb.com/">NM450耐磨板</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.hardonmb.com/">HARDOX400耐磨板</a><span style="display:inline! 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