Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

What is ERW pipe


Welded Pipe

erw pipelines delight in a vast approval in oil as well as gas delivering market for its selection range and also fairly inexpensive. Typically talking, the welded steel pipelines are separated into general bonded pipe, galvanized bonded pipe, oxygen welding tube, metric system welded tube, transformer tube, welding thin wall surface pipe as well as spiral bonded pipe etc
 
. We give bonded pipe requirements:
 
Steel Grade: B, X42, X52, X60, X65, X70, X80
Measurement: 2"-- 30".
Process: ERW, SAWL, HFW, JCOE.
Mechanical Properties-Tensile Requirements.
erw pipe ,erw pipe line

Welded pipe

Grade A Grade B
Tensile Strength, min, psi 48,000 60,000
Yield Strength 30,000 35,000
ERW pipe, shorted for digital resistance bonded pipe, is produced by cold developing the steel coil into a round cylindrical pipe. Current passes between both sides of the steel to heat up the steel to a factor at which the sides are able to connect together to develop a bond utilizing the real welding procedure. ERW is usually made use of to transfer fluid, such as petroleum and gas, playing a considerable role worldwide line pipe moving area.
 
Tube billet, an essential basic material in manufacturing procedure, is a strong round bar of steel made use of to generate several pipe items. The chemical framework of the tube billet of ERW pipe has even more advantages. The handling approach such as degassing, dephosphorization combined with desulfurization makes the purity of ERW pipe billet much greater. The adding-in of specific chemical components boosts the sturdiness combined with the strength of the tube billet.
 
Besides, the ERW pipe tube billet is made of hot-rolled steel strip with cool moving process while the seamless pipe tube billet is created in warm rolling problem. The scenario where seamless pipe tube billet is produced has some unfavorable effects on the grain size, thus causing a less satisfying performance.

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