... ASTM A270, ASTM A312,DIN 118504) Mark: Steel Seal and Label5) Applied field: Decoration, Heat-Exchanger, Condenser Tubes, ... Sanitation, food industry , Petroleum and Gas Industry and Liquird Delivery.6) Surface: 180#, 400#, 600# , 800 ... 8) Packaging: Inner packing: 1 plastic bag (polythene) / piece, and 500kgs is packed in one bundle. Outer packing: Kraft paper, ...