galvanized high tension telephone steel tower

Type

Single-arm Pole ,Double-arm Pole

Suit for

Electricity distribution,Road and Garden application

Shape

Conoid , Columniform,polygonal or conical,square

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-

Tolerance of dimenstion

+- 2%

Power

10 KV ~220 KV

Safety Factor

Safety factor for conducting wine : 8

Safety factor for grounding wine : 8

Marks

Name plate 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,inner flange 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.