MIL-A-8625 Type III Hard-Anodized Aluminum Cylinders (50um Layer)
Engineering Overview: Technical analysis of hard-anodized (50um) 6061-T6 aluminum alloy cylinder bodies for lightweight structural glazing and aerospace hardware.
Technical & Engineering Specifications
| Alloy Grade | 6061-T6 / 7075-T6 Extruded Aluminum |
|---|---|
| Surface Hardness | 450 - 500 HV Anodic Layer |
| Weight Reduction | 65% Lighter than Solid Brass |
| Anodizing Standard | MIL-A-8625 Type III Class 1 (50 um Hardcoat) |
Lightweight Structural Architecture
In specialized architectural glass and aerospace cabin doors, solid brass cylinders are too heavy.
Type III Hard Anodizing
- Weight Savings: 65% lighter than brass ($2.7\text{ g/cm}^3$ vs $8.5\text{ g/cm}^3$).
- Hard Anodized Layer: 50 μm oxide coat achieves 450 to 500 HV hardness.
Frequently Asked Engineering & Selection Questions
Q1: What are the primary material characteristics of this finish?
Technical analysis of hard-anodized (50um) 6061-T6 aluminum alloy cylinder bodies for lightweight structural glazing and aerospace hardware.