galvanized steel tubular pole

Type

Straight Pole ,Tensile Pole ,Turn Pole

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 powder or on request 

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

max 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

Raw 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