- Material:Q275b, 20mnk
- Cross-Sectional Area (Cm2):37.00
- Standard:GB JIS ASTM
- Height:+1.0 124 -1.5
- Thickness:+0.5 16 -1.2
- Width:+1.0 150.5 -3.0
=== Base Info ===
- Model NO.:U29
- Transport Package:Standard Export Package
- Specification:U25, U29, U36
- Trademark:China Coal
- Origin:Shandong Provice, China
- Production Capacity:1000ton Per Day
=== Description ===
Basic Info.
Model NO.
U29
Transport Package
Standard Export Package
Specification
U25, U29, U36
Trademark
China Coal
Origin
Shandong Provice, China
Production Capacity
1000ton Per Day
Product Description

Introduction of U29 Steel Roof Support Beams Customized U29 Steel Support Mine Supports
U29 Steel Roof Support Beams Customized U29 Steel Support Mine Supports is mainly used for mining tunnel support ,with the features of high pressure steel structure.Steel support is a kind of passive support for coal mine support. It has high tensile strength and compressive strength, and at the same time has good toughness, high supporting force and strong supporting strength. It can be used multiple times and is widely used. Mine U lanes, especially in deep complex roadways and soft coal seam roadways.Main purposes: mainly used in mine tunnel, mine tunnel secondary purpose of support, as well as the support of the mountains tunnel support.
Main features: pressure, supporting a long time, easy to install is not easy deformation characteristics. zmwm10
1)Specification: U25, U29, U36;
2)Assembly: top beam, two landing legs, four clamps, two baseplates
3)Material: 20MnK Q275
4)Grade: SS400 Q235 A36
5)Size: 50mm*37mm*4.5mm-320mm*88mm*8mmParameter of U29 Steel Roof Support Beams Customized U29 Steel Support Mine Supports
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 |
Photos of U29 Steel Roof Support Beams Customized U29 Steel Support Mine Supports




