Hot-dip Galvanized Steel Cross Arm
Specifications:
1. Smooth and uniform
2. High strength
3. Professional manufacture
Material:
1.Tensile Strength (N / square mm):375 N /mm2 up to 510 N/mm2
2.Yield Point (N / square mm):235 N/mm2
3.Zinc Coating Wt (gram / square meter):505
4.Zinc Coating Thickness ( microns ):70