Hot Rolled Angle Steel for Power Grid Construction
*Standard&Grade:
GB/T700 Q355,Q420B,Q420C,Q420D,Q460C,Q460D,
*Usage:
In Fabrication of Tower for EHV Power Transmission line
*Characteristics
: High Strength and large load-bearing capacity, (Capable to effectively improve the safety performance of the tower.) Reduce the overall weight of the tower and lower the cost for tower manufacturing
Sizes and Weights:
| Specification(mm) | R | Setion Area(cm2) | Theoretical Weight(kg/m) |
|---|---|---|---|
| L220X200X16 | 21 | 68.664 | 53.901 |
| L220X200X18 | 21 | 76.752 | 60.25 |
| L220X200X20 | 21 | 84.756 | 66.533 |
| L220X200X22 | 21 | 92.676 | 72.751 |
| L220X200X24 | 21 | 100.512 | 78.902 |
| L220X200X26 | 21 | 108.264 | 84.987 |
| L250x250x18 | 24 | 87.842 | 68.956 |
| L250x250x20 | 24 | 97.045 | 76.18 |
| L250x250x22 | 24 | 106.165 | 83.34 |
| L250x250x24 | 24 | 115.201 | 90.433 |
| L250x250x26 | 24 | 124.154 | 97.461 |
| L250x250x28 | 24 | 133.022 | 104.422 |
| L250x250x30 | 24 | 141.807 | 111.318 |
| L250x250x32 | 24 | 150.508 | 118.419 |
| L250x250x35 | 24 | 163.402 | 128.271 |
Michenical Properties:
| Y.S(MPA) | T.S(MPA) | EL(%) | V type,KV2/J | |||
|---|---|---|---|---|---|---|
| GRADE | <=16 | >16-35 | >= | >= | 0C | >= |
| Q355B | 345 | 335 | 470 | 21 | 20 | 34 |
| Q420B | 420 | 400 | 520 | 20 | 20 | 34 |
| Q420C | 420 | 400 | 520 | 20 | 0 | 34 |
| Q420D | 420 | 400 | 520 | 20 | -20 | 34 |
| Q460C | 460 | 440 | 550 | 17 | 0 | 34 |
| Q460D | 460 | 440 | 550 | 17 | -20 | 34 |
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