Stainless steel pipe Type:round,square,rectangular Standard:ASTM,A554,A269 Grade:201,304,202,301,316,316L Stainless steel pipes: Standard:ASTM,A554,A269Grade:201,304,202,301,316,316L Polishing:10K,8K,6K,400#,320#,240#,180#,80# Wall thickness:0.25mm-3mm Length:6m(Customized) Size:Round pipes-Outside diameter(mm)9.5,12.7,16,17,18,19,20,21,22,23,24,25,27.3,28,32,36,38,40,45,47,51,60,63,73,76,81,102, ...