... ) Process method: Cold drawn, Pickling, Polishing, Annealing, Inner bead Removed, Inner Pplishing, TIG welded, Plasma Arc Welded.3) Standards: ASTM ... A269, ASTM A270, ASTM A312,DIN 118504) Mark: Steel Seal and Label5) Applied field: Decoration, Heat-Exchanger, Condenser Tubes, ... 2mm, thickness: +/-0.03mm and length: +/-5mm 8) Packaging: Inner packing: 1 plastic bag (polythene) / piece, and 500kgs is ...