... 304l, 316, 316l, 310s, 317, 317l, 305, 347 Stainless steel tube for heat exchanger Specifications: 1) Diameters: 4 - 406mm 2) W. T.: 0 ... /ISO/EN/ASTM/JIS, etc. 5)application range: Widely use in the foodstuff, medical equipment, power, boiler, cooler, auto, condenser ... : Inner packing: 1 PC/plastic bag; Outer packing: Bundles in weaving bags or in plywooden case. Stainless Steel Tube for Heat Exchanger