WI 75-01-45 Passivation Process, Rev A
This validation ensures SFH bearings deliver maximum corrosion resistance and product life in the most demanding industries.
SFH Bearing has validated its stainless steel passivation process per ASTM A967-05e2, confirming superior corrosion resistance and reliability for critical applications.
| Item | Description |
|---|---|
| Sample Size | 100 pcs. (Five batches of 20 pcs. each) |
| Part Number | 100008 |
| Duration of Each Batch | 10 minutes |
| Temperature | 58.3°C-67.0°C (136.9°F -152.6°F) |
| Specific Gravity | 1.01 |
Equipment Used:
| Equipment | Description |
|---|---|
| Branson 8510 |
Ultrasonic Cleaning Tank
PM of Branson: Clean tank surfaces each time solution is changed. (Approx. every 5-10 batches, or as solution discolors.) |
| CitriSurf® 2250 | Solution |
| Timer (Q03-2) | Calibrated, traceable to NIST |
| Temperature Gage (Q05-2) | Calibrated, traceable to NIST |
| Digital pH Meter |
Calibrated, using WI 76-01-13 and Buffer solutions traceable to NIST; pH 7 Buffer (Q12-2) – Calibrated, traceable to NIST pH 4 Buffer (Q11-2) - Calibrated, traceable to NIST pH 10 Buffer (Q13-2) Calibrated, traceable to NIST |
| Hydrometer (Q07-2) | Calibrated, traceable to NIST |
| De-ionized Water |






