This product is made from ordinary carbon structural steel or high-quality carbon structural steel, which is cold-rolled, heat-treated, and then manufactured. It is suitable for the bundling and packaging of large objects such as wood, paper, glass, stone, steel, and welded pipes. Steel sheet bundling straps
[Casting blue packaging steel belt classification]: divided into single disk and multiple winding two ways; divided into casting blue oil coating and casting blue wax coating two kinds.
[Mechanical Properties]
（1） Type I packaging steel belt: tensile strength σb ≥ 58-78Kg/mm2 (580-780Mpa), elongation: 3%-5%.
Type II packaging steel belt: tensile strength σb ≥ 78-90Kg/mm2 (780-900Mpa), elongation: 3%-5%.
Type 3: Superior Steel Packaging Strap: High strength, good performance, and resistant to impact. Tensile strength σb ≥ 90-110Kg/mm2 (900-1100Mpa), elongation: 5%-8%.

Common Specifications Comparison Table:
BWG28×3/8″、1/2″、5/8″（0.36mm×9.5mm、12.7mm、16mm）
BWG27×3/8″、1/2″、5/8″（0.40mm×9.5mm、12.7mm、16mm）
BWG26×1/2″、5/8″、3/4″（0.45mm×12.7mm、16mm、19mm）
BWG25×1/2″、5/8″、3/4″（0.50mm×12.7mm、16mm、19mm）
BWG24×1/2″、5/8″、3/4″（0.55mm×12.7mm、16mm、19mm）
BWG23×1/2″、5/8″、3/4″（0.60mm×12.7mm、16mm、19mm）
BWG22×3/4″、1″、5/4″（0.70mm×19mm、25.4mm、32mm）
BWG21×3/4″、1″、5/4″（0.80mm×19mm、25.4mm、32mm）
BWG20×3/4″、1″、5/4″（0.90mm×19mm、25.4mm、32mm）
BWG19×3/4″、1″、5/4″（1.0mm×19mm、25.4mm、32mm）

Packing with Steel Buckles
Usually in cardboard boxes or bags, but also can be packaged according to the requirements.

"The quality execution standard for the bundling steel buckle product":
GB4173-4, can also be processed and produced according to the requirements of the customer.

[Other]:
We can process and produce special specifications according to customer requirements, including steel belt trimming and deburring.