40M 12 Sides Galvanized High Mast Pole for Plaza Lighting with Winch
Specifications:
|
Height |
From 20m to 55m |
|
Suit for |
Airport ,seaport,plaza,stadium ,square,highway, |
|
Shape |
Conoid ,Multi-pyramidal,Columniform,polygonal or conical |
|
Material |
Usually Q345B/A572,minimum yield strength>=345n/mm2 |
|
Lamp power |
20 W- 400 W (HPS/MH) |
|
Electroshock resistant protective grade |
Grade Ⅰ |
|
The casing anti-corrosion performance |
Class Ⅱ |
|
Working atmosphere of lighting fixture |
-35 ℃~+45 ℃ |
|
Surface treatment |
Hot dip galvanized Following ASTM A 123, |
|
Joint of Poles |
Insert mode,innerflange mode,face to face joint mode |
|
Design of pole |
Against earthquake of 8 grade |
|
Wind Speed |
160 Km/Hour |
|
Minimum yield strength |
355 mpa |
|
Minimum ultimate tensile strength |
490 mpa |
|
Max ultimate tensile strength |
620 mpa |
|
Production Process |
Rew material test → Cuttingj →Molding or bending → |
|
Packages |
Our poles as normal cover by Mat or straw bale at the top and bottom , |
Galvanization
Standard:NFA91121
Average thickness of the galvanization:Not less than 70μm.
Manufacture Tolerance
-Component Length:-25mm to 75mm
-Straightness:2mm/m
-Twisting degree:1°per 3 meters length
-Ovalisation:Maximum is 3%
-The average diameter:+/-0.5%
-Slip length:+/-150mm
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