Customization: | Available |
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Usage: | Flying Angle Tower, Crossing Tower, Tension Tower, Angle Tower, Terminal Tower, Transposition Tower |
Conductor Circuit: | Multi Circuit |
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Item |
Availability size: Based on the customer's requirements. |
Material: Chinese material or as per clients requirement |
Package: Both parties discuss before delivery |
Port of Loading: Qingdao, Shanghai, Ningbo Port |
Lead Time: One month or based on the customer's needs |
Minimum order: 1 ton |
Terms of Payment: L/C, T/T |
Fabrication: Based on the customer's drawings and technical requirements |
Steel grades |
Tower legs: Chinese steel Q345B, which same to ASTM A572 GR50 |
Other webs, bracing and not stress plate and angle steel: Chinese Q235B, which same to ASTM A36 |
Plates: Chinese steel Q345B, which same to ASTM A572 GR50 |
Bolts: Chinese grade 6.8 and 8.8, which similar to ASTM A394 |
A) Dimension and tolerance for angle are according to GB/T1591-1994, similar to EN 10056-1/2 B) Hot DIP galvanization in accordance with GB/T 13912-2002, which similar to ASTM A 123 C) The welding will be performance in accordance with AWS D1.1 or CWB standard If any special requirement, we can design and discuss with client. |
Grade | Thickness or diameter(mm) | Anti-push, bending and press strength(N/mm2) | Anti-shear strength (N/mm2) |
Q235 Steel |
≤16 | 215 | 125 |
>16~40 | 205 | 120 | |
>40~60 | 200 | 115 | |
>60~100 | 190 | 110 | |
Q345 Steel |
≤16 | 310 | 180 |
>16~35 | 295 | 170 | |
>35~50 | 265 | 155 | |
>50~100 | 250 | 145 | |
Q420 Steel | ≤16 | 380 | 220 |
>16~35 | 360 | 210 | |
>35~50 | 340 | 195 | |
>50~100 | 325 | 185 | |
Q460 Steel | ≤16 | 415 | 240 |
>16~35 | 395 | 230 | |
>35~50 | 380 | 220 | |
>50~100 | 360 | 210 |
Item | Grade | Anti-push strength (N/mm2) | Anti-shear strength (N/mm2) |
Fastener for towers |
4.8 | 200 | 170 |
5.8 | 240 | 210 | |
6.8 | 300 | 240 | |
8.8 | 400 | 300 | |
Anchor bolts |
Q235 | 160 | / |
35 steel | 190 | / | |
45 steel | 215 | / |
Item | Temperature (ºC) | Wind speed (m/s) | Ice thickness (mm) |
Max. temperature | 40 | 0 | 0 |
Mini. temperature | -20 | 0 | 0 |
Ice thickness | -5 | 10 | 10 |
Basic wind speed | -5 | 27 | 0 |
Installation condition | -10 | 10 | 0 |
Annual temperature | 15 | 0 | 0 |
Lightning overvoltage | 15 | 10 | 0 |
Operation overvoltage | 15 | 16 | 0 |