welded tube

The key lain on constructional adjustment for continuous development in the welded tube enterprise in China

结构调整是中国焊管企业可持续发展的关键

China steel tube trade is being a turning point, concerning which should take the first place between seamless tube and welded tube.

目前中国的钢管业正处在一个新的发展转折点和平衡点，尤其是无缝管和焊管的争论已成为近几年的焦点。

Designed and made to meet the requirement for strip steel slitting as part of the welded tube manufacture process, the small slitter line is both cost-saving and practical.

根据焊管生产纵剪窄钢卷的需要，设计制造的小型圆盘刀纵剪机组价廉实用。

By enhancing welded construction's rigidity and both side alternative surfacing, the problem of tube plate deformation was solved.

采用提高刚性和正反面交替直道堆焊等方法解决了蒙乃尔合金换热器管板堆焊的变形问题。

Study on Contact Pressure of Welded Tube with Straight Sew

直缝焊管成型机接触压力研究

By adopting optical metallography, micro-hardness examination etc., the comparative test to the microstructure of the dissimilar steel tube joint ( 12Cr1MoV and 0Cr17Ni12Mo2) with Ni-based weld between in as-welded condition and after the high temperature run was carried out.

采用光学金相、显微硬度等试验方法，对12Cr1MoV和0Cr17Ni12Mo2两种管材的镍基焊缝异种钢接头显微组织，进行焊后状态和高温运行后状态对比分析试验。

The study background of this thesis is according to the feedback of practice assembly from US customers, the perpendicularity of welded support tube need under controlled to resolve the issue that seat frame could not fit to the power unit base.

研究课题根据实际装配误差数据的反馈，要求对电动轮椅座椅支撑管的垂直度进行控制以解决座椅不能安装的问题。

A Study of the Accelerated-life Test Specification for the Coil-tube Welded Joints of a Utility Boiler

电站锅炉蛇形管焊接接头加速寿命试验规范的研究

Numerical Simulation on Temperature Field in Tantalum Tube and Ta/ 16 MnR Clad Sheet Welded Joint

钽换热器管板焊接接头温度场数值模拟

HARRIS BLOCKADE welding electrodes used by the U.S., with welded tube-free oxidation of skin, bite close, non-porous, never leaks and other characteristics;

采用美国HARRIS BLOCKADE焊条焊接，具有焊接管内无氧化皮、咬合紧密、无气孔、永不泄漏等优点；