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Advantages of Submerged Arc Welding Spiral Steel Pipe
In the spiral pipe production process and the use, there are invented a lot of excellent welding and methods of production, greatly contributed to the steady and rapid development of the industry, but also makes this industry has been optimized in development. Which submerged arc welding is a wel...Read more -
Flexible composite high-pressure delivery pipe
Flexible composite high-pressure delivery pipe is a composite material made of a polymer with a certain high strength, high pressure, corrosion, fouling resistance, friction coefficient, good insulation, good flexibility and long life of a petroleum gas industrial pipe. Flexible composite high-...Read more -
Characteristics of resistance welding steel pipes（ERW steel pipe)
ERW (Electric Resistance Welding) steel pipe is referred to as ERW pipe or HF welded pipe, it has many advantages as following: 1) high production efficiency, low cost, its price is about the the UOE straight seam submerged arc welded steel, 85%; 2) high dimensional accuracy, its roundness (Round...Read more -
Carbon seamless steel pipe process
How the seamless steel pipe is being made? Seamless steel pipes are made by heating solid ingot and pushing a piercing rod to form a hollow tube. Finishing of seamless steel could be done through techniques such as hot rolled, cold drawn, turned, roto-rolled etc. After going through the finishing...Read more -
Banded structure elimination mechanism
Organization of low-carbon steel at room temperature deformation of ferrite and pearlite, if there is the band structure of ferrite and pearlite alternating stripes organization. Low carbon steel seamless pipe band structure, from room temperature to normalizing temperature, when the via Ac1 temp...Read more -
ASTM A106 Carbon seamless steel pipe
ASTM A106 Carbon seamless steel pipe According to the different applications,as for cold draw seamless steel pipe ,hot rolled seamless steel pipe or the hot expansion steel pipe seamless carbon steel tubes can be divided into low pressure pipe medium pressure pipe, high pressure boiler pipe, allo...Read more