LM25 datasheet
Aluminium Casting Alloy
(Al-Si7Mg0.5)
| Chemical Composition | ||
| Min | Max | |
| Copper | 0.20 | |
| Magnesium | 0.2 | 0.6 |
| Silicon | 6.5 | 7.5 |
| Iron | 0.5 | |
| Manganese | 0.3 | |
| Nickel | 0.1 | |
| Zinc | 0.1 | |
| Lead | 0.1 | |
| Tin | 0.05 | |
| Titanium | 0.10 | 0.20 |
| Heat Treatment-TF Condition (fully heat treated) Heat to a temperature of 525ºC – 545ºC for between 4 to 12 hours, then quench in hot water or polymer, finally artificially age at 155ºC – 175ºC for 8 to 12 hours and air cool. |
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| Mechanical Properties | ||
| 0.2% Proof Stress (N/mm²) | 200-250 | |
| Tensile Stress (N/mm²) | 230-280 | |
| Elongation (%) | 0 | |
| Brinell Hardness | 90-110 | |