... ,TP304L,TP316,TP316L,TP321 Stainless Steel Pipe1) Outside Diameter: 6 - 356mm 2) Thickness: 0.5 - 20mm 3) Main Material: 304, 304L, 316, 316L ... production, food industry, boiler heat exchangers,natural gas industry, pharmaceutics, water transfer, environmental . 304 Stainless Steel Pipe