U-Shape Steel Support

U-Shape steel support main features:

1.Spec.: 25U, 29U, 36U
2.Standard:GB/QB
3.Materials: 20MnK, Q275
4.Length: 8,9,10,12 

Compared to other rigid steel support ,it can be reduced and has a stable carrying capacity, to adapt to the soft rock, high-profile utilization ,easy to support and back, easy to maintenance , high recovery rate ,reduce the prop use ,environment protection.