... wt 0.5--30mm Material: 321, 304, 304l, 316, 316l, 310s, 317, 317l, 305, 347 Stainless steel tube for heat exchanger Specifications ... /310S, etc. 4)standard: GB/ISO/EN/ASTM/JIS, etc. 5)application range: Widely use in the foodstuff, medical equipment, power ... packing: 1 PC/plastic bag; Outer packing: Bundles in weaving bags or in plywooden case. Stainless Steel Tube for Heat Exchanger