... *1.5-3 mm 3.main use:oil refined 20# carbon steel refined seamless gasoline tube1.material:20,12CrMo,15CrMo GB9948 ... and marketing various of stainless steel sheets,coils,pipes and tubes.With ten years experience,our company and products have been ... series,900 series,colored sheets,coils,pipes and tubes,embossed sheets,coils,pipes and tubes,patterned sheets/coils,import sheets/coils and ...