CANGZHOU WILSON PIPELINE CO.,LTD

Factors affecting the fatigue strength of seamless steel pipe materials: inclusions. The inclusion itself or the hole created by it is...

Acceptance of ERW,LSAW straight seam steel pipe: 1 The quality inspection and acceptance of straight seam steel pipes shall be carried...

1. Low temperature embrittlement of seamless steel pipes ——  In low temperature environment, deformation energy is small. In a low...

There are many reasons for the longitudinal cracking of thick-walled seamless steel pipes, including material reasons and process...

Metals can react with oxygen in the atmosphere to form an oxide film on the surface. The iron oxide formed on ordinary carbon steel will...

In fact, oil casing collapse is a common form of damage to oil casing, but although it is common, how can oil casing pipe damage be...

About the cleaning of oil casing bare pipe: The bare oil casing pipes are cleaned and arrive at the processing plant. Before the formal...

High frequency welding mainly uses the skin effect and proximity effect of high frequency current to make the current highly concentrated...

The geometric dimensions of the welded tube blank mainly refer to the width and thickness and their allowable deviations. The longer the...

Longitudinal submerged arc welded pipe (LSAW) is generally made of steel plate as raw material. After different forming processes,...

Q345 steel is the replacement of the old grades of 14MnNb, 12MnV, 16MnRE, 16Mn, 18Nb, and other steels, not just the replacement of 16Mn....

High-frequency welding is a type of welding method that uses resistance heat generated by high-frequency currents flowing through the...

With the increasing exploitation of oil and natural gas, the corrosion and protection of oil and gas pipelines have also received more...

Weld processing: 1. If the gap is too large, the proximity effect will be reduced, the eddy current heat will be insufficient, and the...

Method of preventing intergranular corrosion of seamless steel pipe: 1) Reduce the amount of carbon in the steel so that the amount of...

Seamless steel pipe products should be applied in strict accordance with the material or performance during application, otherwise it may...

If there are some defects in the seamless steel pipe, it will undoubtedly have a fatal impact on the quality of our products. So how to...

The pre-treatment process of seamless pipe galvanizing includes five processes: alkali washing, pickling, rinsing, soaking aid, and...

Do seamless steel pipes need to be painted? Under normal circumstances, the seamless steel pipe has an oxide film on the surface after...