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25U/29U/36U Mining support steel

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25U/29U/36U Mining support steel
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Overview
Quick Details
Standard:
AiSi, ASTM, bs, DIN, GB, JIS, YB/T24-1986
Grade:
Q235/20MnK
Place of Origin:
Hebei, China
Brand Name:
Yueqi
Model Number:
25U, 29U, 36U
Shape:
U Channel
Application:
Mine
Perforated Or Not:
Not Perforated
Product name:
Mine supporting steel
Material of 29U/36U:
20MnK (S355J2)
Material of 25U:
Q275 & 20MnK
Dimension of 25U:
H:110mm * T:17mm
Dimension of 29U:
H:124mm * T:16mm
Dimension of 36U:
H:138mm * T:17mm
Length of 25U:
8-12m
Length of 29U:
8.8-12m
Length of 36U:
8-12m
Supply Ability
Supply Ability:
500 Ton/Tons per Day

Mining support steel

Braced 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.

 

Material: 20MnK

Specification:

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

 

TypeMechanical propertyChemical componentProcessing property
Yield strengthTensile strengthElongationCSiMnSPCold bend test 180°
MPaMPamin
Q275≥275410-560≥22<0.24≤0.35≤1.50.050.045≥d=2a
20MnK≥355≥510≥180.21~0.260.20~0.601.20~1.600.050.045≥d=2a

  

The various specifications of the product meet the needs of the customers in the industry. The product now enjoys a high polularity and good reputation in the market and is believed to be used by wider group of people in the future.
Product Message
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