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GB3639 45#seamless carbon steel pipe. Cold rolled (dialed) seamless steel pipes include general steel pipes, low and medium pressure boiler pipes, high pressure boiler pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes and other steel pipes.
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11. GB/T3639 1983 (cold drawn or cold rolled precision seamless steel tube). It mainly used in steel pipes for the mechanical structure, carbon pressure equipment of high precise size and good surface finish. Its representative materials are Steel No 20 and No 45, etc.
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Steel Pipe, Seamless Steel Pipe, Casing Pipe manufacturer / supplier in China, offering Tube for Machining GB/T 8162 for Automobile and Motorcycle, En10305 1 Cold Drawn Carbon Steel Pipe for Automobile Parts Use, S40c Seamless Steel Tubes /Machine Parts /Auto Parts and so on.
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China GB/T 8162 Hot Rolled Round Cast Pipe China Steel
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TypeSeamless TechniqueCold Drawn MaterialCarbon Steel Surface TreatmentRust Proofing UsageHydraulic/Automobile Pipe Section ShapeRound