Shandong China Coal Industrial Equipment Corp., Ltd. [China]

steel beam arch Spec.: 25U, 29U, 36U Standard:GB/QB Materials: 20MnK, Q275 Length: 8,9,10,12m

steel beam arch

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

it is mainly used for mining tunnel support ,with the features of high presure long fit strong structure.

U type U25/U29/U36 steel beam arch