CANGZHOU WILSON PIPELINE CO.,LTD

The corrosion resistance of stainless steel seamless pipes depends on the alloying elements contained in the steel. Chromium is the basic...

Stainless steel pipes can be pided into stainless steel welded pipes and stainless steel seamless pipes. Many people do not know the...

The most important parameter in the cathodic protection of oil well casing is the penetration depth of the protection current and its...

With the rapid development of the petroleum industry, serious corrosion of oil well casings, buried pipelines, and storage tank bottom...

The method of preventing and reducing welding deformation needs to consider the welding process design to overcome the changes in the...

The sizing of high-frequency straight seam welded pipes (ERW welded pipe) refers to the rolling of welded pipes after welding by rollers...

Because the multi-wire submerged arc welding of longitudinally welded pipes has the characteristics of large undercooling and fast...

Welding heat-affected zone（HAZ) is different from welding seam. Welding seam guarantees performance requirements through chemical...

The production process of straight seam steel pipes is relatively simple, and the main content of the production process is...

The difference between carbon steel seamless pipe and stainless steel seamless pipe mainly refers to the difference in design rules...

“Ordering” is the beginning of cooperation between the supplier and the buyer. In order for the buyer to obtain steel pipes that meet the...

ERW Pipe Meaning: ERW is the abbreviation of Electric Resistance Welding. The ERW pipe often referred to in the steel pipe industry...

The ERW steel pipe & tube rolling mill is a series of pipe machines, which use a certain width of steel strip to manufacture longitudinal...

Advantages of ERW steel pipe compared with seamless steel pipe are following below: (1)  High dimensional accuracy. ERW steel pipe...

Electric Resistance Welding (ERW steel pipe): welding member combination is applying pressure through the electrodes, the use of current...

7304 Seamless steel pipe and hollow profile (except cast iron) 73049000 Seamless steel pipes and hollow profiles not listed (except for...

Seamless pipe meaning: seamless steel pipe is perforated from a whole round steel, and there is no weld on the surface of the steel pipe,...

1. In the table, CS means carbon steel seamless pipe, applicable material GB8163 “Seamless steel pipe for fluid transportation”, GB3087...

LSAW and SSAW are variants of SAW (submerged arc welded) pipes. The difference between them is the way they are welded. In LSAW pipes,...

Oil casing buckle type code: short circle (BTC), long circle (LC), buttress (BC), some imported goods are marked with the word LTC, that...