Type III hardcoat anodizing is engineered for wear — a dense, thick, abrasion-resistant oxide with surface hardness in the range of hardened tool steel. Gleco applies hardcoat to MIL-PRF-8625 Type III and AMS 2469 at our AS9100D and ISO 9001:2015 certified, ITAR Registered Texas plants.
| Governing specs | MIL-PRF-8625 Type III; AMS 2469 (AMS 2468 legacy) |
|---|---|
| Classes | Class 1 non-dyed; Class 2 dyed (black typical) |
| Thickness | 0.002 in nominal (spec range 0.0005–0.0045 in) |
| Hardness | ~500+ VPN; 60–70 HRC equivalent |
| Wear (Taber) | ≤ 1.5 mg/1,000 cycles (3.5 mg for 2xxx copper alloys) |
| Dimensional impact | ~50% penetration / ~50% buildup (~0.001 in per surface at 0.002 in) |
| Sealing / salt spray | Unsealed for max wear; sealed for corrosion (336 h salt spray) |
| Typical uses | Pistons, cylinders, slides, guide rails, valve bodies, weapons components, aluminum wear surfaces |
Send the print and we’ll tell you. Quotes typically back within one business day, from either plant.
Precision metal finishing since 1979. Plating, anodizing, coatings and passivation from two Texas plants.
Gleco Rowlett
2220 Grisham Drive
Rowlett, TX 75088
972-475-4300
Gleco McAllen
3800 W. Ursula Ave
McAllen, TX 78503
956-800-4069
