YUANQU Wind Farm resume construction – WTG wind turbine foundation anchor bolt

8th March 2020, this project resume construction, site staffs work in protective hat, masks, suits. Everyone pays attention on self security during COVID-19 epedumic.

Anyang Longteng Heat Treatment Material Co.,Ltd is the subcontractor for WTG foundation anchor bolt systerm in 200MW YUANQU wind farm project, Shanxi Province, providing M42*4140 grade 8.8 prestressed ground anchor bolt assembly for 100  turbines.

PRESTRESSED ANCHOR BOLT

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

 

W020200309350706249097


Post time: May-22-2020