Product Introduction U Beam mining Arch support steel
It is mainly used for mining tunnel support ,with the features of high presure long fit strong structure.
Main Parameter U Beam mining Arch support steel
Name:U-Beam mining support steel
Specification:25U, 29U, 36U
Standard:GB/QB
Materials: 20MnK, Q275
Length: 8,9,10,12m
Figure Photos U Beam mining Arch support steel
