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They are produced by two distinct methods which result in either a welded or seamless pipe. In both methods, raw steel is first cast into a more workable starting form. It is then made into a pipe by stretching the steel out into a seamless tube or forcing the edges together and sealing them with a weld.
Ingot cast hollow cylindrical ingot, reheating by certain molds pulled into the pipe.
china East Pipe Co., Ltd., is a steel tube suppliers eaststeelpipe.com/ established in 1979 in Weifang of china , it offers production , research , export , import of anti-corrosion steel pipe , it is one of the best manufacturer of large diameter anti-corrosion pipes and steel fire sprinkler pipe in China . East Pipe Industry Co., Ltd., has more than 30 years professional R&D experience of anti-corrosion steel pipe with annual production capacity of 500,000 tons .
MS pipe refers to mild steel pipe and ERW pipe is electric resistance welding pipe. The difference is ERW is made of very fine hard steel, while MS (black pipe) is made of malleable steel.
An exhaust flex pipe is made of layers of woven stainless steel.
GI Pipe is "Galvanized Iron" Pipe. These days the pipe will likely be made from steel rather than iron.
China is a large country to export steel pipe, if you want to buy steel pipe, you can import from China.
A handheld bandsaw or a cutting torch, along a straight line made by a wraparound pipe marker. our company has the steel pipe machine and you can cut it in 4 inch-haihao pipe fitting group sales@haihaogroup.com
Mexico exports steel pipe and tubes
Australia makes steel pipe and tubes
Brazil makes steel pipe and tubes
California makes steel pipe and tubes
China exports steel pipe and tubes
China makes steel pipe and tubes
Japan makes steel pipe and tubes