LM4 casting alloy (AlSi5Cu3) equivalents, chemistry & properties.
Browse reference information for LM4 casting alloy (AlSi5Cu3), including related designations, composition, mechanical properties and density. Confirm the governing standard, product form and condition for your order.
LM4 casting alloy (AlSi5Cu3) equivalent grades
- USA (ASTM / AISI / SAE)
- 319 (nearest)
- Europe (EN)
- EN AC-45200 (AlSi5Cu3Mn; nearest, separately unverified)
- UK (BS)
- BS 1490:1988 LM4 (withdrawn; historical)
- Japan (JIS)
- AC2A (nearest)
- China (GB)
- ZL107 (nearest)
Key data
- Family
- Aluminium (casting)
- Density
- 2.75 g/cm³
- Typical mechanical
- As cast: TS about 140–170 MPa; T6 higher
- Typical uses
- Mostly used for general-purpose sand and gravity castings, manifolds and housings
- Weight
- Calculate weight in LM4 casting alloy (AlSi5Cu3)
LM4 casting alloy (AlSi5Cu3) chemical composition (weight %)
BS 1490:1988 LM4
| Si | Cu | Mg | Fe | Mn | Ni | Zn | Pb | Sn | Ti |
|---|---|---|---|---|---|---|---|---|---|
| 4.0–6.0 | 2.0–4.0 | ≤0.2 | ≤0.8 | 0.2–0.6 | ≤0.3 | ≤0.5 | ≤0.1 | ≤0.1 | ≤0.2 |
Grades similar to LM4 casting alloy (AlSi5Cu3)
Frequently asked questions
What is the equivalent of LM4 casting alloy (AlSi5Cu3)?
LM4 casting alloy (AlSi5Cu3) equivalents: USA (ASTM / AISI / SAE) 319 (nearest); Europe (EN) EN AC-45200 (AlSi5Cu3Mn; nearest, separately unverified); UK (BS) BS 1490:1988 LM4 (withdrawn; historical); Japan (JIS) AC2A (nearest); China (GB) ZL107 (nearest). Equivalents are close but not always identical; check the standard on your order.
What is the chemical composition of LM4 casting alloy (AlSi5Cu3)?
LM4 casting alloy (AlSi5Cu3) (BS 1490:1988 LM4): Si 4.0–6.0, Cu 2.0–4.0, Mg ≤0.2, Fe ≤0.8, Mn 0.2–0.6, Ni ≤0.3, Zn ≤0.5, Pb ≤0.1, Sn ≤0.1, Ti ≤0.2 (weight %).
What is the density of LM4 casting alloy (AlSi5Cu3)?
About 2.75 g/cm³ (2,750 kg/m³), the value used for weight calculations.
Can’t find your grade? Send it — we’ll source it.
Our stockist and mill sourcing network extends beyond the grades listed here. Send rare grades, unusual forms and small-quantity requirements for sourcing review.
One enquiry gives us the details to check suitable sources across the network and help move your purchase forward. Share the exact grade, standard, form, size, quantity, delivery town and required date. We’ll confirm availability, minimum order quantity and lead time against your requirement.
Mill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.
Need LM4 casting alloy (AlSi5Cu3)?
Steel Impex India, Mumbai, supplies LM4 casting alloy (AlSi5Cu3) in pipes, plates, sheets, bars and fittings as available. Send the grade, standard, size and quantity.