One of the most versatile of the heat-treatable aluminum alloys. It is generally used where welding or brazing is required for it has high corrosion resistance.
Material Analysis
| Silicon | 0.40 to 0.8% |
| Iron | to 0.7% |
| Copper | 0.15 to 0.40% |
| Manganese | to 0.15% |
| Magnesium | 0.8 to 0.15% |
| Chromium | 0.04 to 0.35% |
| Zinc | to 0.25% |
| Titanium | to 0.15% |
| Others | to 0.15% |
Mechanical Properties
| Temper | O |
| Yield | KSI 8 MPa 55 |
| Ultimate | KSI 18 MPa 124 |
| Elongation / 4D | 30% |
| Hardness / Brinell 500kg 10mm | 30 |
| Ultimate Shearing Strength | KSI 12 MPa 83 |
| Fatigue / Endurance Limit – R.R. Moore Type | KSI 9 MPa 62 |
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