Shandong China Coal Industry & Mining Group Co.,Ltd
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Product Introduction
We are professional manufacture for U beam steel arch and accessories. we not only supply standard length u beam arch, but also can supply u beam steel arch according to customr requirement and technical drawing.
The U beam arch mainly use in mining and tunneling for roof support . It has low cost, easy operation and high efficiency function.
The U beam arch specification as follows:
beam arch
Spec.:18 U, 25U, 29U, 36U, 40U
Standard:GB/QB
Materials: 20MnK
Length: 8,9,10,12m
Main Parameter
U Steel Specification | ||||||||||||||
Model | H1 | H2 | H3 | B1 | B2 | B3 | B4 | B5 | B6 | B7 | M | Section Area cm2 | Theoretical Weight kg/m | |
25U | 120 | 29 | 15 | 135 | 101.5 | 40 | 47 | 39 | 29 | 102.3 | 6.3 | 31.97 | 24.95 | |
29U | 124 | 28.5 | 16 | 150.5 | 116 | 44 | 53 | 42 | 30 | 116.6 | 7.2 | 37 | 29 | |
36U | 138 | 31.5 | 17 | 171 | 128 | 50.5 | 60.5 | 48.5 | 35 | 129.3 | 7.8 | 45.69 | 35.87 | |
40U | 141.9 | 34.7 | 20.2 | 171 | 128.5 | 50.5 | 60.5 | 48.5 | 35 | 129.3 | 8.5 | 51.02 | 40.05 | |