Stainless Steel Thick Wall Pipe (1)Standard:GB,ASTM (2)Material:201, ... 304,316,316L,etc. (3)Shape:round (4)Size:as your request Stainless Steel ... Thick Wall Pipe(1)Standard:ASTM,GB(2)Material:201,304, ... 316,316L,etc.(3)Shape:round(4)Thickness:4-12mm(5)Outer ...