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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 -
Galvanized mild steel welded seam welding proces
Steel surface coating is designed to corrosion or decorative, or both. The seam welding, not only to obtain a sufficient joint strength,but also required to maintain the function of the coating. By the strength requirements, seam welding process and uncoated steel is similar, taking into account ...Read more -
Exhaust pipe for auto
Automobile exhaust bellows, also known as automobile exhaust pipe hose, which is installed in the exhaust pipe of the engine exhaust manifold and muffler between the entire exhaust system was flexible coupling, which play a vibration and noise reduction, easy exhaust muffler system installation a...Read more