black coated steel strapping with good surface, high quality Black Painted Steel Strapping Painted Surface Treatment: Color painted& waxed Painted Corlors: Black green, red, yellow, grey, blue,etc Wound Way: Ribbon wound and Oscillated wound Matercial: Q195, Q215, Q215B, Q235, Q235B, Q345, 20MnSi steel. Technical Parameters: Ordinary steel strapping Σ B≥ 65-75kg/mm2(650-750Mpa), Elongation: δ 5≥ ...