2200 HR Corrosion Test
Two raised-face FRP piping flange assemblies were delivered to ITI Anti-Corrision, Inc. for exposure to 2200±24 hours of ASTM B 117-03; Standard practice for operating salt spray (fog) apparatus.
The nuts/bolts/washers used on each assembly were coated with the Fluorokote#1® stock system. The assemblies were designated as follows:
| Nut / Bolt / Washer Coating | Torque Method | Position of Assembly in B 117 Chamber |
|---|---|---|
| Fluorokote#1® Stock | Hand | Horizontal |
| Wrench | Vertical |
The assemblies were visually examined for corrosion (ASTM D 610-01) at 1200±24 hours, 1800±24 hours, 2000±24 hours, with the full/final evaluations performed at 2200±24 hours.
| Duration | Position & Torque | % of Rust & Visual Examples Per ASTM D 610-01 |
|---|---|---|
| 1200±24 Hours |
Horizontal (Hand) | ≤0.01% |
| Vertical (Wrench) | ≤0.01% | |
| 1800±24 Hours |
Horizontal (Hand) | ≤0.03% |
| Vertical (Wrench) | ≤0.01% | |
| 2000±24 Hours |
Horizontal (Hand) | ≤0.3% |
| Vertical (Wrench) | ≤0.1% | |
| 2200±24 Hours |
Horizontal (Hand) | ≤0.3% |
| Vertical (Wrench) | ≤0.1% |