... steel seamless pipe 1.Type:round,square,rectangular 2.Standard:ASTM,A554,A269 3.Grade:201,304,202,301,316,316L stainless steel pipes, seamless ... pipe:Standard:ASTM,A554,A269Grade:201,304,202,301, ... ,36x36,38x38,40x40,50x50,60x60,70x70,80x80Rectangular pipes-Outside dimentions(mm)20x10,23x11,24x12,25x13 ... ,73x43,75x45,95x45 stainless steel seamless pipe