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- Contact Person : Ms. Xing kelly
- Company Name : Luoyang Gongyan Technology Co., Ltd.
- Tel : 86-379-63501959
- Fax : 86-379-63501159
- Address : Henan,Luoyang,Room 1102,Aolin Building, Taikang Road, Wangcheng Avenue
- Country/Region : China
- Zip : 471023
all thread rock anchor bar
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All Threadbar Anchor is used together with dome plate and nut for reliable ground support in coal mines, railways,
hydropower, tunnels and slopes.
1. Material: HRB series steel HRB335,400,500
2. All thread bar
3. High strength plate material Q235
4. Nut material Grade 45# steel
Thread bar
Grade | Diameter (mm) | Yield strength σs(MPa) | Tensile strengthσb(MPa) | Elongation (%) | |
≥ | |||||
HRB335 | 16-22 | 335 | 490 | 16 | |
HRB400 | 16-22 | 400 | 470 | 14 | |
HRB500 | 16-22 | 500 | 630 | 12 | |
Plate
Material | mechanical property | ||||
yield strength | tensile strength | elongation | |||
MPa | kg/mm² | MPa | kg/mm² | no more than | |
Q235A | 235 | 24 | 375-460 | 38-47 | 26 |
Q235B | |||||
Q235C | |||||
Q235D | |||||
Plate size (mm) | 150*150*10/200*200*6/200*200*12 | ||||
Nut
Material | Mechanical property | ||
Yield strength(Mpa) | Tensile strength (Mpa) | Elongation(%) | |
45# | 335 | 600 | 16 |
all thread rock anchor bar
