... 4) AAR approved 5)sae1015, sae 1022 steel strapping for packingsteel strip for packing 1.standardGB/T700-2006, YB/T025-20022.specificationBWG28 ... , white, red, brown5.packing 2 or 3 coils one bundle( coil ID:200mm, 300mm, 406mm, 508mm), one bundle 50kg. 20 bundles ... packing for pipe or steel, glass, stone7.note we can do as client's special requirement AISI heat treated blue finished steel strip