∠220、∠250 High Strength Angle Steel for Power Grid Construction 1
∠220、∠250 High Strength Angle Steel for Power Grid Construction 1

∠220、∠250 High Strength Angle Steel for Power Grid Construction

Hot Rolled Angle Steel for Power Grid Construction

∠220、∠250 High Strength Angle Steel for Power Grid Construction 2

*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

Angle Steel Sizes&Weights:

Specification(mm) R Section 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

Angle Steel Mechanical 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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