stainless steel pipe,seamless tube Type:round,square,rectangular Standard:ASTM,A554,A269 Grade:201,304,202,301,316,316L stainless steel pipes, seamless tubeStandard:ASTM,A554,A269Grade:201 ... ,38x25,40x20,48x23,50x15,50x25,60x15,60x30,73x43,75x45,95x45 seamless tube