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Qingdao Sangao Metal Structure Co.,Ltd is a professional traffic signal pole manufacturer and factory, we have been exporting high quality traffic signal pole made in China for years, welcome to contact us.
Height |
From 6 meter to 15 meter |
Suit for |
Airport, seaport, roadway, etc |
Shape |
Polygonal, Conical or Columniform |
Material |
Normally Q345B/A572, Minimum Yield Strength ≥ 345 N/mm² |
Tolerance of the dimension |
According to client's requirement. |
Surface treatment |
Hot dip galvanized Following ASTM A 123, or any other standard by client required. |
Joint of Poles |
Slip joint, flanged connected |
Standard |
ISO 9001:2008 |
Length of per section |
Within 14 meter once forming |
Welding Standard |
AWS (American Welding Society ) D 1.1 |
Thickness |
1 mm to 36mm |
Production Process |
Raw material test → Cutting →bending →Welding (longitudinal )→Dimension verify →Flange welding →Hole drilling →sample assemble → surface clean→ Galvanization or powder coating ,painting →Recalibration →Packages |
Packages |
Packing with plastic paper or according to client's request. |