Supanchor Rock Reinforcement Co., Ltd.
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SupUTS R32/450 Heat Treatment SDA Hollow Threaded Bar in mining
Features
SupAnchor® self drilling anchor system enables drilling and grouting in one operation, making much saving in jobsite and project time. With premium heat treatment technology, following advantages are offered to our partners and clients verified options:
1. Saved in overall costs, due to small diameter while same strength quality achieved.
2. Lower weight: easier to transport and operation, lower freight cost.
Advantages
1. Difficult soil conditions
2. High installation rate
3. Limited access
4. No casing required
5. Decreased labor & material cost
6. Extra corrosion protection
Applications
1. Root piling
2. Radial systematic anchoring
3. Foundation for avalanche protect
4. Stabilization of tunnel portals
5. Spilling
6.Face stabilization
Technical Data
| SupUTS R Thread | R32/ 380 | R32/ 450 | R32/ 580 | R38/ 580 | R38/ 700 | R38/ 820 | R51/ 1000 | R51/ 1200 |
| Ultimate load (kN) | 380 | 450 | 580 | 580 | 700 | 820 | 1000 | 1200 |
| Load at 0.2% Yield (kN) | 325 | 380 | 460 | 480 | 600 | 650 | 800 | 1000 |
| Weight (kg/m) | 2.90 | 3.30 | 4.25 | 4.30 | 5.50 | 6.00 | 7.40 | 9.40 |
| Tensile strength (N/mm2) | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 |
| Yield strength (N/mm2) | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 |
| Outside diameter (mm) | 32 | 32 | 32 | 38 | 38 | 38 | 50 | 50 |
| Internal diameter (mm ) | 19 | 18 | 14 | 25 | 21 | 18.5 | 37 | 32 |
| Cross sectional area (mm2) | 369 | 420 | 541 | 546 | 700 | 763 | 940 | 1196 |
| Type of steel | 40Cr | 40Cr | 40Cr |
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