Customization: | Available |
---|---|
Technics: | Welding |
Standard: | GB |
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Hebei High quality cross arm for overhead transmission line
Type |
galvanized steel cross arm |
Suit for |
Electricity distribution
|
Shape |
Conoid ,Multi-pyramidal,Columniform,polygonal or conical
|
Material |
Usually Q345B/A572,minimum yield strength>=345n/mm2 Q235B/A36,minimum yield strength>=235n/mm2
As well as Hot rolled coil from Q460 ,ASTM573 GR65, GR50 ,SS400, SS490, to ST52- |
Torlance of dimenstion |
+- 2% |
Power |
10 KV ~550 KV |
Safety Factor |
Safety factor for conducting wine : 8 Safety factor for grounding wine : 8 |
Design Load in Kg |
300~ 1000 Kg appliced to 50cm from the to pole |
Marks |
Nane palte through rivert or glue ,engrave ,emboss as per customer requirement |
Surface treatment |
Hot dip galvanized Following ASTM A 123, color polyester power or any other standard by client required.
|
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 . 30 m /s |
Minimum yield strength |
355 mpa |
Minimum ultimate tensile strength |
490 mpa |
Max ultimate tensile strength |
620 mpa |
Standard |
ISO 9001 |
Length of per section |
Within 14m once forming without slip joint |
Welding |
We has past flaw testing.Internal and external double welding makes the welding beautiful in shape
Welding Standard :AWS ( American Welding Society ) D 1.1
|
Thickness |
1 mm to 30 mm |
Production Process |
Rew material test → Cuttingj →Molding or bending →Welidng (longitudinal )→Dimension verify→Flange welding →Hole drilling →Calibration → Deburr→Galvanization or powder coating ,painting →Recalibration →Thread →Packages |
Packages |
Our poles as normal cover by Mat or straw bale at the top and bottom ,anyway also can following by client required , each 40HC or OT can loading how many pcs will calculation base on the client actually specification and data. |