Specifications: 1) Sizes: a)730 x 450mm b) 730 x 500mm c) 730 x 550mm d) 730 x 600mm 2) Materials: a) Steel tube (low-carbon steel): type O and D b) Welded tube, 1.5mm thick c) Intermediate round tube: 20mm, 22mm, 25mm d) Seamless welded tube: 1.2mm thick e) Surface treatment: electric-plating 3) Electric-plating: copper + 3-layer nickel + chrome a) Copper: 30μm thick b) Nickel: 20μm thick c) Chrome: 0.3μm thick 4) Pressure: 15 bar 5) Welding: brass Inner packing: Plastic Outer packing: 1pc/ctn
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