无缝管

无缝管斜轧延伸技术进展

Progress in cross rolling seamless tube elongation process

不锈钢焊管与不锈钢无缝管相比在生产工艺上具有较多的优点。

IN process technology , stainless steel welded tube has more advantages over stainless steel seamless tube .

20g高压锅炉用无缝管的质量控制

Quality control of seamless steel pipe for 20g high-duty boiler tube

PIC管采用长的去除内毛刺的电焊管或无缝管作为坯管，经感应加热后进行张力减径，然后热卷曲成卷。

The PIC tube is made of long , internally deburred electrical weld tube or seamless steel tube by means of induction heating , stretch reducing and hot coiling .

Φ180mm连铸坯轧制无缝管内折缺陷调查

Investigation on seamless pipe internal infolding rolled with CC bloom

φ140mm无缝管机组的节能技术改造

Energy-saving Technological Transformation of φ 140mm Seamless Tube Unit

火力和原子能发电锅炉用9～13Cr钢无缝管的发展现状

Present developments of 9 ~ 13cr seamless steel pipe for thermal and nuclear power boilers

MINI-MPM连轧无缝管机组主要设备机械特征分析

Analysis of Mechanical Characteristics of Main Equipments in MINI-MPM Continuous Rolling Seamless Pipe Mills

介绍了采用不同焊料和在不同焊接条件下进行的X-65钢级无缝管的对接焊试验。

The paper describes the experiments concerning butt-welding of the X-65 Grade seamless steel line pipes with different fluxes and under different welding conditions .

对比、分析了直缝焊管与螺旋焊管和无缝管作油井管的优势，简要介绍了ERW油井管的生产流程和主要设备，提出了积极引进国外生产技术，生产ERW油井管的可行性和必要性。

The thesis analyses the advantage of the ERW tubing and casing comparing with spiral welding tube and seamless casing and tubing , introduces its main manufacturing process and facility , bring forward the feasibility and necessary of importing the oversea manufacturing technology to produce the ERW tubing and casing .

钒对低合金钢无缝管热加工性的影响

Effect of Vanadium on Hot Workability of Seamless Carbon Steel Pipe

无缝管担当起开发高技术高附加值产品的重任。

The seamless pipe is produced as high additional value product .

这种无缝管的显著特点是高精度、高光洁度。

This seamless significant feature of high precision and high finish .

我们无缝管专家做了充分的调查分析。

Our experts have done a full seamless Investigation and Analysis .

无缝管冷拔生产过程计算机管理软件的开发

Development of Computer Management Software for Cold-Drawing Process of Seamless Tube

无缝管穿孔顶头表面合金化的新技术

The Application of A New Surface Alloying Technigue to Piercing Plug

镍钼合金粉末无缝管生产工艺研究

Study of production process for Ni-Mo alloy powder seamless pipe

直缝电阻焊钢管与无缝管对比直缝钢管的高频焊接

The Comparison Between Longitudinal Seam ERW Steel Pipe and Seamless Steel Pipe

无缝管与有缝管液压成形性比较

Comparison of Deformation Behaviors of Seamed Tube and Seamless Tubes in Hydroforming

水平连铸无缝管坯的设备与工艺

Plant and process of horizontal continuous casting for seamless pipes

无缝管专家表示这主要是由经济周期决定的。

Seamless experts said it is mainly determined by the economic cycle .

磷脱氧铜无缝管断裂原因分析

Analysis on cracking of seamless phosphorus - killed copper pipe

厚壁无缝管轧制工艺研究

Study on Rolling Process of the Thick Wall Seamless Tube

连铸坯轧制无缝管横向低倍裂纹分析

Analysis of Travers Etched Cracks for Seamless Pipe Rolled from Continuous Casting Stock

20钢流体无缝管性能分析

Performance Analysis of Fluids Seamless Pipe of No.20 Steel

GB/T8768-1988核工业用锆及锆合金无缝管

Zirconium and zirconium alloy seamless tubes for nuclear application

GB/T5248-1998铜及铜合金无缝管涡流探伤方法

Copper and copper alloy-seamless tubes-eddy current testing method

叙述了国内焊管业和无缝管业的发展方向。

This paper introduced the development direction of welded tubes and seamless tubes at home .

焊管与无缝管的经济研究

Economic Study on welding and seamless pipe

无缝管轧制变形区内金属流动和摩擦力的实验研究

Experimental investigation of metal flow and friction stress in deformation zone of seamless steel tube