Stainless steel seamless round pipes Thk:1.0-50.0mm OD:4.75-6300.00mm Length:6000-12000mm Steel grade:201,202,304,304L,316, Stainless steel seamless round pipesThk:1.0-50.0mmOD:4.75-6300.00mmLength:6000-12000mmSteel grade:201,202,304,304L,316,316L,321,420 Stainless steel seamless round pipe