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Mining support steel
Mine supporting steel can support high pressure, has long support time, easy to install, does not easy deformation.
After being set state load, optimized timbering adds support yielding deformation, increases the load-carrying ability and improves the effect of controlling the surrounding rock.
25U Height: 110mm, Thickness: 17mm, Unit weight: 24.76kg/m
29U Height: 124mm, Thickness: 16mm, Unit weight: 29kg/m
36U Height: 138mm, Thickness: 17mm, Unit weight: 36kg/m
|Type||Mechanical property||Chemical component||Processing property|
|Yield strength||Tensile strength||Elongation||C||Si||Mn||S||P||Cold bend test 180°|