无缝管是一种具有中空截面、周边没有接缝的长条钢材。全世界生产无缝管的共计有110多个国家的1850多个公司下的5100多个生产厂，其中生产石油管的有44个国家的170多个公司下的260多个厂。
芯棒式无缝管轧机 mandrel mill
不锈钢无缝管 stainless steel seamless pipe ; ABS CCS ; BXWFG ; seamless stainless steel tube
无缝管轧机 seamless-tube rolling mill ; seamlesspiperollingmill
连续式无缝管轧机 continuous seamless-tube rolling mill
钢制对焊无缝管件 Steel butt-welding seamless pipe fittings ; Steel butt-welded seamless fittings
无缝管子 weldless tube
不锈钢薄壁无缝管 Stainless Steel Seamless thin wall Tube ; Wall Tube ; Stainless Steel Seamless Thellon-Wall Tube ; stainless steel seamless thin-wall tube
热轧无缝管 hot rolled seamless tube
无缝钢管 [材] seamless steel tube ; seamless pipe ; [材] weldless steel tube
On the basis of the investigation of domestic oil pipe production situation, the seamless tube of the cold-drawing production process and the production technology were researched.
在对国内油管生产现状进行调查的基础上,对冷拔无缝管的生产过程和生产工艺进行了研究。
参考来源 - J55钢级冷拔油管的研制After analysis, research, testing and rolling, Pan CHENGGANG Chengdu Seamless Steel Tube Plant produced a batch ofΦ215mm×72.5mm super-thick steel 35CrMo seamless steel tube which satisfied the technical requirements and were supplied to manufactures.
攀成钢成都无缝钢管厂经过分析、研究、试验和试轧,生产出了一批能满足技术要求的Φ215mm×72.5mm的35CrMo钢超厚壁无缝管,并供给了制造该零部件的厂家使用。
参考来源 - 高速列车轴用35CrMo钢超厚壁无缝管的轧制及其质量分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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