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CS welding and pipe without welding.
SS welding and piping and pipes without welding.
Pipe and tube of alloy.
Standard: ASTM A312, A213, A269, A270, A511, A544, DIN2462, etc.
size: OD 6-650mm x WT 1 ~ 35mm.
Material: CS, SS304, 316, 304L, 316L, 201, etc.