Wind Turbine Foot Foundation Steel Cage
[ Time：2019-02-22 Click：1218 ]
Anyang Longteng Heat Treatment Material Co.,Ltd High duty, High strength wind turbine, wind energy tower foundation anchor bolt cage system in wind energy project. Components including anchor bolt(main part),flange, H.D. bolts, cap, leader bolt, concrete.
ADVANTAGE:
Excellent anti-delay fracture performance and long fatigue life(no damage after 12 million times test);
Provide double thread bolts with maximum length of 12000mm;
Standard: GB/T3098.1 ISO898-1 or costomer’s request
Mechanical Properties
| Grade | Dia | Tensile Strength Rm/MPa |
2% Elongation Limit RP 0.2/MPa |
Stress Under Proof Load SPf/MPa |
Elongation after fracture A/% |
Reduction oF Area after Fracture Z/% | Rockwell Hardness /HRC |
Bolt Length mm |
-40 ℃ Impact Absorb Energy K/J |
|
| min | max | max | ||||||||
| 8.8 | M16 ~M56 |
830 | 660 | 600 | 12 | 52 | 23 | 34 | 12000 | 27 |
| 9.8 | 900 | 720 | 650 | 10 | 48 | 28 | 37 | |||
| 10.9 | 1040 | 940 | 830 | 9 | 48 | 32 | 39 | |||
| 12.9 | 1220 | 1100 | 970 | 8 | 44 | 39 | 44 | |||
Common specifications
| DIA | Grade | Length | |
| Φ35mm(M36) | 8.8 | 10.9 | As Clients' Demands |
| Φ40mm(M42) | 8.8 | 10.9 | |
| Φ45mm(M48) | 8.8 | 10.9 | |
| Φ53mm(M56) | 8.8 | 10.9 | |
Note: Grades, sizes are allowed to change
Manufacture Process
As per different raw materials and demands, process details will be adjusted.
Sample 1.
Raw Material Test --- Normalizing --- Sand blasting --- Drawing & Straightening --- Heat Treatment
--- UT Test --- Saw cutting --- Chamfer --- Polishing --- Screw thread --- Tensile test --- Marking ---
QC Test --- Anti-corrosion Test --- Stock
Sample 2.
Raw Material Test --- Heat Treatment --- Pealing --- Polishing --- UT Test --- Saw Cutting --- Chamfer
--- Polishing --- Screw Thread --- Tensile Test --- Marking --- QC Test --- Anti-corrosion Test --- Stock
Process details information, please find at our BLOG within this website. Thank you!
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