... 14001 2.standard:ASTM A554 3.material:201,202,304 ,316 4.sizes:12.7 to 219mm ASTM stainless steel pipe1 ... 201,202,304,3162)specifications:1.round pipe: OD12.7mm to 219mm2.square pipe: 10x10mm , 12.7x12.7mm, 15.9x15 ... 30x30mm , 38x38mm , 50x50mm , 50x50mm , 60x60mm , 80x80mm ,100x100mm,150x150mm3.rectabgular pipe: 20x10mm, 20x40mm, 25x13mm, 25x50mm, 30x10mm, 30x15mm, 30x60mm, 45x75mm, 45x95mm, 50x100mm ...