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high quality seamless steel pipe
Category : Business
Carbon steel seamless pipes are also called CS pipes. The general carbon steel seamless pipe is made of 10, 20, 30, 35, 45, and other high-quality carbon steel 16Mn, 5MnV and other low-alloy structural steel or 40Cr, 30CrMnSi, 45Mn2, 40MnB, and other alloy ste