steel strap belt Tenslie strength: 650-1000Mpa Elongation: 3-10% steel strap beltsteel strapping/ steel strap for packing/steel stripPainted Surface Treatment: color ... Q215, Q215B, Q235, Q235B, Q345, 20MnSi steel. Technical Parameters:Ordinary steel strappingσb≥65-75kg/mm2(650-750Mpa),elongation:δ5 ... (750-850Mpa),elongation:δ5≥4%-6%High quality steel strappingσb≥85-1000kg/mm2(8501000Mpa),elongation:δ5≥ ...