... steel strapping is made of ordinary carbon steel or high-quality carbon structural steel, produced through cold rolling, electric heating ... 78-90Kg/mm2 (780-900Mpa), elongation: 3% -5%.(3) High quality steel packaging strip: high strength, good performance and well impact ... your needs, we can do trimming and deburring for high quality.Manufacturer: Junan Huanyu Tool Co., Ltd Steel strip, packing steel ...