BS 1490 · Al-Si-Mg alloy (A356 equivalent)
LM25 Aluminium Alloy Ingot
Premium heat-treatable Al-Si-Mg alloy with excellent strength, ductility, and pressure tightness for safety-critical castings.
What is the chemical composition of LM25?
| Element | Composition (%) |
|---|---|
| Si | 6.5 – 7.5 |
| Mg | 0.2 – 0.45 |
| Fe | ≤ 0.5 |
| Al | Balance |
Mechanical & Physical Properties
Tensile strength
≈ 310 MPa (T6)
Ductility
High
Pressure tightness
Excellent
What is LM25 used for?
WheelsCylinder headsAerospace componentsFood-grade castings
Advantages
- High strength
- Heat treatable
- Safety-critical grade
Frequently asked questions
What is the chemical composition of LM25?+
Si 6.5 – 7.5%, Mg 0.2 – 0.45%, Fe ≤ 0.5%, Al Balance.
What is LM25 used for?+
LM25 is typically used for Wheels, Cylinder heads, Aerospace components, Food-grade castings.
What standard does LM25 meet?+
LM25 is a Al-Si-Mg alloy (A356 equivalent), manufactured to BS 1490.