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9#/11#/12# Mining support steel

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9#/11#/12# Mining support steel
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Overview
Quick Details
Standard:
AiSi, ASTM, bs, DIN, GB, YB/T24-1986
Grade:
Q235/20MNK
Width:
90-120mm
Length:
8-12m
Place of Origin:
Hebei, China
Brand Name:
Hangang
Model Number:
9#, 11#, 12#
Application:
Mining support
Technique:
Hot Rolled
Special Use:
Mold Steel
Tolerance:
±3%
Processing Service:
Bending, Cutting
Product name:
Mine supporting steel
Material 1:
Q235 (S235JR)
Material 2:
20MnK (S355J2)
Dimension of 9#:
90x76x8mm
Dimension of 11#:
110x90x9mm
Dimension of 12#:
120x95x11mm
Length of 9#:
8m/9m/10m
Length of 11#:
8-12m
Length of 12#:
7-12m
Supply Ability
Supply Ability:
500 Ton/Tons per Day

9#/11#/12# Mining support steel

 

Miner Steel; Steel for mine

Mining I beam-steel

Standard:YB/T24-1986

Mine supporting steel has good stability, reasonable structure, high strength and good rigidity. The unit weight is lighter, usually it is used for supporting in coal mine tunnel and roadway.

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.

 

Type

Mechanical property

Chemical component

Processing property

Yield strength

Tensile strength

Elongation

C

Si

Mn

S

P

Cold bend test 180°

MPa

MPa

min

Q235

235

375-460

26

0.12-0.22

0.3

0.30-0.70

0.05

0.045

≥d=2a

20MnK

355

≥510

18

0.21~0.26

0.20~0.60

1.20~1.60

0.05

0.045

≥d=2a

 

Dimension

Height (h)

Leg height (b)

Web thickness (d)

9

90±2.0

76±2.0

8±0.6

11

110±2.0

90±2.0

9±0.6

12

120±2.0

95±2.0

11±0.6

 

 

The product stands out in the market with its great important application prospects. The product is deeply trusted by customers from all over the world for its high quality.
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