Stainless Steel Tube ASTMA312M, ASTMA269, ASTMA213, Materials:TP304,TP304L,TP316,TP316L,TP321 Stainless ... 2) Thickness: 0.5 - 20mm 3) Main Material: 304, 304L, 316, 316L, 321, 310, 2014) Main Standards: ASTMA312M, ASTMA269, ASTMA213, ASTMA511 ... heat exchangers, natural gas industry, pharmaceutics, water transfer, environmental . Stainless Tube