W Strap is commonly used when additional support is required in conjunction with mesh and rock bolts. These steel straps are pulled into the rock surface by the bolts and tend to conform to the rock surface. It is also widely used in ground support application especially at critical area.
Technical advantages of W-shaped steel strip compared to flat steel strip:
1. The bending section modulus of W-shaped steel strip is increased by 37 times.
2. The stiffness is increased by about 70 times.
3. The hardening effect during the cold rolling process of W-shaped steel strip increases the tensile strength by 12% -15%.
Physical Dimensions
The general widths of W strap : 180mm, 200mm, 220mm, 250mm, 280mm, 300mm
The general thickness of W strap ：2.5mm，2.75mm，3.0mm
The general holes：40mm*60mm 30mm*70mm
Order Information
1.Standard “W” Strap lengths range from 900 to 3000mm in 300mm increments.
2.“W” Strap are packed in bundles of 25
3.Non-Standard requirements are available by negotiation
application
W Straps are used for crosswise and lengthwise support of roofs and ribs in mine working areas.they are suitable to be used with expansion ,resin, cable and tubular friction anchors.
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