<p>圆管坯→加热→穿孔→三辊斜轧、连轧或挤压→脱管→定径（或减径）→冷却→矫直→水压试验（或探伤）→标记→入库 无缝钢管是用钢锭或实心管坯经穿孔制成毛管，然后经热轧、冷轧或冷拨制成。无缝钢管的规格用外径*壁厚毫米数表示。无缝钢管分热轧和冷轧（拨）无缝钢管两类。 热轧无缝钢管分一般钢管，低、中压锅炉钢管，高压锅炉钢管、合金钢管、不锈钢管、石油裂化管、地质钢管和其它钢管等。冷轧（拨）无缝钢管除分一般钢管、低中压锅炉钢管、高压锅炉钢管、合金钢管、不锈钢管、石油裂化管、其它钢管外，还包括碳素薄壁钢管、合金薄壁钢管、不锈薄壁钢管、异型钢管。热轧无缝管外径一般大于32mm，壁厚2.5-200mm，冷轧无缝钢管处径可以到6mm，壁厚可到0.25mm，薄壁管外径可到5mm壁厚小于0.25mm，冷轧比热轧尺寸精度高。 </p> <p>镀锌管 Ф48*3.5 1.5寸*3.5 衡水、广州 5330 5330&nbsp;&nbsp; <br /> 镀锌管 Ф77.5*3.75 2.5寸*3.75 衡水、广州 5260 5260&nbsp;&nbsp; <br /> 镀锌管 Ф88.5*4.0 3寸*4.0 衡水、广州 5160 5160&nbsp;&nbsp; <br /> 镀锌管 Ф114*4.0 4寸*4.0 衡水、广州 5160 5160&nbsp;&nbsp; <br /> 镀锌管 Ф165*4.5 6寸*4.5 衡水、广州 5450 5450&nbsp;&nbsp; <br /> 镀锌管 Ф219*6 8寸*6.0 衡水、广州 5550 5550 </p> <p>现我公司有大量合金管、高压管现货，将以优惠的价格，批零兼营的方式，为您提供快捷优质的服务，欢迎新老客户前来洽谈、电议。</p> <p>公司可为用户订做各种特殊规格，特种材质无缝钢管，交货及时，价格低，质量优，并附原始材质书或复印件，节假日照常营业、并可代办汽运、火运，量大可以在钢厂直接发货。亦可承兑结算。</p> <p>公司库存量充足，品种规格齐全。本着低价经营，<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! 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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.wffjg.com/">大口径方矩管</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.wffjg.com/">Q345B无缝方管</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.wffjg.com/">Q345C无缝方矩管</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.bxgangguan.cn/">天津合金管</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.bxgangguan.cn/">天津无缝钢管厂</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.bxgangguan.cn/">天津不锈钢管</a><span style="display:inline! 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