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Detailed Product Description
Coal mine support U Shape Steel Roof Support Beams,U29 steel bracket for roadway support
29 U-type steel bracket is mainly used for mine tunnel, mine tunnel secondary support, and support support for tunnel through the mountain and other purposes. The use of U-type steel bracket effectively reduces the occurrence of accidents such as roofing, sheet gangs, etc. It is safe and reliable, and improves the stability of mine ventilation system. The choice of U-type steel retractable support, a better solution to the problems of tunneling support.
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Product Parameter
Size
25U
Width
+1.0 130 -3.0
Height
+1.0 120 -1.5
Material
Q275B/ 20Mnk
Thickness
+0.5 15 -1.2
Leg thickness
+0.8 6.3 -0.5
Theoretical weight (kg/m)
24.95
cross-sectional area (cm2)
31.79
