Mine support steel -U Channel Steel - Product Center - Shandong China Coal Industry & Mining Group
http://www.chinacoalintl.com/pd-690#.UoGFLnCBnFE
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Mine support steel is a side steel support with the surface like the English letter "U" of the steel, sometimes appear before the side streets Japanese letter "ひ" shape. Mine support steel is mainly used mine support, making U-shaped steel bracket U-shaped steel bracket may be drawing processing, quality stable and secure documents are complete and reliableParameter
Material：20mnk Q275
Detail parameter ：
18U height：99mm thickness：10mmthory：18.96kg/m
25U height：110mm thickness：17mm TheoreticWeight ：24.76kg/m
29U height：124mm thicness：16mm TheoreticWeight ：29kg/m
36U height：138mm thicness：17mm TheoreticWeight ：36kg/m
Mine support steel main characteristics: under pressure, support time, easy to install is not easy to deformation, etc.
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