... pipe in grade 201,202,301,302 stainless steel square pipeour factory can supply stainless steel pipe : stainless steel ... round / rectangle /square pipe Grade : AISI316L , 316, 310S, 310, 303,304, ... .9,102,114,133,141,159,219 stainless steel square pipe : 10x10,12x12,15x15,17x17,18x18,19x19,20x20, ... bag cover every pipe outer: woven bag wooden case