... A269 Grade:201,304,202,301,316,316L stainless steel pipes, seamless tube Standard:ASTM,A554,A269Grade:201,304 ... :0.25mm-3mm Length:6m(Customized) Size:Round pipes-Outside diameter(mm)9.5,12.7,16,17 ... ,81,102,114,133,141,159,219 Square pipes-Outside dimentions(mm)12x12,15x15,17x17,18x18,19x19, ... ,36x36,38x38,40x40,50x50,60x60,70x70,80x80 Rectangular pipes-Outside dimentions(mm)20x10,23x11,24x12,25x13,28x13, ...