Ifarada to wulo:
Opin ita: ± 0.005 ni (0.13 mm)
Sisanra Odi: +10%~ -5%
Sisanra ogiri ko le yato diẹ sii ju 0.003 in (0.08mm) jakejado gigun ẹsẹ 10 kan
Gigun: ± 0.25 in (6.4 mm)
Standard: UL797-2000
Pari: Zinc Palara, Pre-galvanized
Zinc ti a bo: kilasi 3, 80-120 g / m2;kilasi 4, 275-500 g / m2