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Description:
U-shaped steel1.undertake large pressure
2.long service time
3.easy to install
U-shapedsteel
U type steel support main purpose :for mine tunnel, mine tunnelsecondary support, and mountain tunnel support .U25, U29, U36 typesteel frame.
U type steel support main features:
1.undertake large pressure
2.long service time
3.easy to install and low price
Compared to other rigid steel support , it can be reduced andhas a stable carrying capacity, to adapt to the soft rock,high-profile utilization , easy to support and back, easy tomaintenance , high recovery rate , reduce the prop use ,environment protection.
SIZE | DIMENSION (MM) | STANDARD | MATERIAL | WEIGHT (KG/M) |
25U | 110 X 134 X 50.8 | GB4697-91 | 20MnK | 24.76 |
29U | 124 X 150.5 X 44 | 20MnK | 29 | |
36U | 138 X 171 X 50.5 | 20MnK | 35.89 |
U shape railway steel for sale
