China black steel strapping(factory)

Technical Parameters:

Ordinary steel strapping

σb≥65-75kg/mm2(650-750Mpa),

elongation:δ5≥3%-5%

Ordinary steel strapping

σb≥75-85kg/mm2(750-850Mpa),

elongation:δ5≥4%-6%

High quality steel strapping

σb≥85-1000kg/mm2(8501000Mpa),

elongation:δ5≥5-8%

Specification 

Thickness

Width

0.36mm

BWG28

9.5mm,     12.7mm,       16mm

3/8″       1/2″          5/8″

0.40mm

BWG27

9.5mm,     12.7mm,       16mm

3/8″       1/2″          5/8″

0.45mm

BWG26

12.7mm,     16mm,       19mm

1/2″        5/8″        3/4″

0.50mm

BWG25

12.7mm,     16mm,       19mm

1/2″        5/8″        3/4″

0.55mm

BWG24

12.7mm,     16mm,       19mm

1/2″        5/8″        3/4″

0.60mm

BWG23

12.7mm,     16mm,       19mm

1/2″        5/8″        3/4″

0.70mm

BWG22

19mm,      25.4mm      32mm

3/4″        1″          5/4″

0.80

BWG21

19mm,      25.4mm      32mm

3/4″        1″          5/4″

0.90

BWG20

19mm,      25.4mm      32mm

3/4″        1″          5/4″

1.0mm

BWG19

19mm,      25.4mm      32mm

3/4″        1″          5/4″

Inner Diameter: Ribbon wound=200mm/300mm/406mm; Oscillated wound=406mm.

We can produce special specification as per customer request, and we can make the edge smoother of the steel packing strips.

Tolerances

Width

≤31.75mm

±0.10mm

>31.75mm

±0.13mm

Thickness

≤0.40mm

±0.015mm

>0.40—0.70mm

±0.020mm

>0.70—1.30mm

±0.025mm

Note: the thickness of the steel strip does not include the coating or the thickness of the wax