Substation Steel Structure Construction Project
Normally Q345B/A572, Minimum Yield Strength ≥ 345 N/mm² Q235B/A36, Minimum Yield Strength ≥ 235 N/mm² As well as Hot rolled coil from ASTM A572 GR65, GR50, SS400
From 10 meter to 100 meter
Electric Power Transmission and Distribution
Polygonal or Conical
Normally Q345B/A572, Minimum Yield Strength ≥ 345 N/mm²
110kV to 750kV
Tolerance of the dimension
According to client’s requirement.
Hot dip galvanized Following ASTM A 123, or any other standard by client required.
Joint of Poles
Slip joint, flanged connected
Length of per section
Within 14 meter once forming
AWS (American Welding Society ) D 1.1
1 mm to 36mm
Raw material test → Cutting →bending →Welding (longitudinal )→Dimension verify →Flange welding →Hole drilling →sample assemble → surface clean→ Galvanization or powder coating ,painting →Recalibration →Packages
Packing with plastic paper or according to client’s request.