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Name
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Rock bolt For Mining/ Tunnel/ Slop Support
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Specifications
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Specification & Standard
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GB/T 20065-2006
MT 146.2-2011
YB/T4363-2014
ISO6934-5:1991
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Dn
|
16-32mm
|
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Rp0.2/MPa
|
500-800
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Rm/MPa
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500-1000
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A%
|
15-22
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Material
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High-performance steel
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AKv/J
|
+20℃: 45J
0℃: 36J
-20℃: 34J
-40℃: 27J
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Advantages |
Be made of hot rolled steel bars.
High-performance steel, liable.
excellent anti-impact properties.
widely usage: coal mine tunnel, road slpe, tunnel, dam body, city deep foundation, prestressed concrete projects, etc.
Identified by the National Mining Products Safety Approval and Certification Center.
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DN(mm)
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Sn(mm2)
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WT(g/m)
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Rp0.2
|
|
16
|
201.06
|
1578
|
800
|
|
18
|
254.47
|
1998
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800/1080
|
|
20
|
314.16
|
2466
|
800
|
|
22
|
380.13
|
2984
|
800
|
|
25
|
490.88
|
3853
|
800/1080
|
|
28
|
615.75
|
4834
|
800
|
|
32
|
804.25
|
6313
|
800/1080
|
|
Rp0.2/MPa
|
Rm/MPa
|
A/%
|
Akv/J
|
|
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Standard
|
335
|
500
|
15
|
40
|
|
Our rock bolts
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500
|
700
|
22
|
120
|
|
600
|
800
|
22
|
100
|
|
|
700
|
900
|
18
|
80
|
|
|
800
|
1000
|
15
|
60
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Post time: Sep-18-2018