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Qingdao Sangao Metal Structure Co.,Ltd is a professional 200mm to 400mm conical steel poles manufacturer and factory, we have been exporting high quality 200mm to 400mm conical steel poles made in China for years, welcome to contact us.
Products Specification:
Height |
From 3 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. |