... black, yellow, gray, brown, etc.)Physical Properties:(1) Type I ordinary steel packing strip: Tensile strength σb ≥ 58 ... 78Kg/mm2(580-780Mpa), elongation: 3% -5%.(2) Type II ordinary steel packing strip: Tensile strength σb ≥ 78- ... packing ,coils to be laid on double type pallet (four piles per pallet),20bundles pallets ... packing .coils to be laid on single type pallet (one pile per pallet ),12or 14coils ...