Applicable Tolerance:
Outside Diameter: ±0.005 in (0.13 mm)
Wall Thickness: +10%~ -5%
The wall thickness shall not vary more than 0.003 in (0.08mm) throughout a 10 foot length
Length: ±0.25 in (6.4 mm)
Standard: UL797-2000
Finishes: Zinc Plated, Pre-galvanized
Zinc coated: class 3, 80-120 g/m2; class 4, 275-500 g/m2