... steel square pipe : stainless steel round / square / rectangular pipe in grade 201,202,301,302 stainless steel square pipeour factory can supply stainless steel pipe : stainless steel round / rectangle /square pipe ... ,102,114,133,141,159,219 stainless steel square pipe : 10x10,12x12,15x15,17x17,18x18,19x19 ... ,48x48,50x50,60x60,70x70,80x80 Stainless steel rectangular pipe : 20x10,23x11,24x12,25x13,28x13, ...