- Geocells[2]
- Geogrids[6]
- Geomembranes[2]
- Geotextiles[6]
- Other Earthwork Products[6]
- Concrete Admixtures & Mortar Admixtures[2]
- Metal Building Materials[6]
- Other Construction & Real Estate[2]
- Other Plastic Building Materials[6]
- Waterproof Membrane[5]
- Anchors[6]
- Bolts[6]
- Mining Machinery Parts[6]
- Seals[3]
- Cast & Forged[4]
- Other Fiberglass Products[4]
- Steel Rebars[6]
- Other Wire Mesh[2]
- Other Rubber Products[6]
- Other Fiber[6]
- 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
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All Threadbar Bolt 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 HRB33,400,500
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 |
mechanical rock anchor