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

Advantages of ERW steel pipe compared with seamless steel pipe are following below: (1)  High dimensional accuracy. ERW steel pipe diameter and wall thickness than the seamless steel pipe deviation i...

Electric Resistance Welding (ERW steel pipe): welding member combination is applying pressure through the electrodes, the use of current through the joint area of the contact surface and the adjacent ...

7304 Seamless steel pipe and hollow profile (except cast iron) 73049000 Seamless steel pipes and hollow profiles not listed (except for casting) 73044100 Cold-drawn or cold-roll...

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, so it is called seamless steel pipe. 1. According to the prod...

1. In the table, CS means carbon steel seamless pipe, applicable material GB8163 "Seamless steel pipe for fluid transportation", GB3087 "Seamless steel pipe for low and medium pressure boiler", GB6479...

LSAW and SSAW are variants of SAW (submerged arc welded) pipes. The difference between them is the way they are welded. In LSAW pipes, the welding is longitudinal, which means that steel (hot rolled c...

Oil casing buckle type code: short circle (BTC), long circle (LC), buttress (BC), some imported goods are marked with the word LTC, that is, long threaded oil casing pipe. Let us follow the ...

According to the threaded button type drill pipe joints, there are four types: REG(Regular style connection), IF(Internal-flush style connection), FH(Full-hole style connection); NC(Numbered Connectio...

API Round Thread There are short round thread casing and the long round thread casing points. There are some advantages about round thread casing as follows: 1. Improve the abrasion caused by resist...