Introduction Of Mine support steel
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 reliable.
Parameters Of Mine support steel
Size
|
Material
|
Theoretical weight (kg/m)
|
cross-sectional area (cm2)
|
Height
|
Thickness
|
Width
|
Leg thickness
|
25U
|
Q275B/ 20Mnk
|
24.95
|
31.79
|
+1.0
120
-1.5
|
+0.5
15
-1.2
|
+1.0
130
-3.0
|
+0.8
6.3
-0.5
|
29U
|
Q275B/ 20Mnk
|
29.00
|
37.00
|
+1.0
124
-1.5
|
+0.5
16
-1.2
|
+1.0
150.5
-3.0
|
+0.8
7.2
-0.5
|
36U
|
20Mnk
|
35.87
|
45.70
|
+1.0
138
-1.5
|
+0.5
17
-1.2
|
+1.0
171
-3.0
|
+0.8
7.8
-0.5
|
40U
|
20Mnk
|
40.05
|
51.02
|
+1.0
149
-1.5
|
+0.5
20.2
-1.2
|
+1.0
171
-3.0
|
+0.8
8.5
-0.5
|
Mine support steel main characteristics: under pressure, support time, easy to install is not easy to deformation, etc.
Pictures Of Mine support steel