Aluminium Alloy Ingots
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ALUMINIUM ALLOY INGOT
Aluminium Alloy Ingot Overview
An aluminium alloy ingot is a solid block of aluminium that has been alloyed with other elements to enhance its properties. These ingots are produced through the melting and casting of aluminium and its alloying elements into a specific shape, typically a rectangular or cylindrical form.
Key Characteristics:
Composition: Aluminium alloy ingots are made from a blend of aluminium and various alloying elements like copper, magnesium, manganese, silicon, or zinc. The specific composition is tailored to meet particular strength, weight, and corrosion resistance requirements.
Properties: Depending on the alloying elements used, the properties of the ingots can vary widely. For example, some alloys may offer increased strength, while others might provide better machinability or resistance to corrosion.
Applications: These ingots are primarily used as raw materials in the manufacturing process. They are melted down and cast into various shapes and sizes to produce a wide range of products, including structural components, automotive parts, aerospace parts, and more.
Benefits: Aluminium alloy ingots provide several advantages, including reduced weight compared to other metals, high strength-to-weight ratio, excellent corrosion resistance, and good thermal and electrical conductivity. These properties make them a popular choice in industries where performance and durability are critical.
Production: The production process involves melting aluminium and alloying elements in a furnace, then casting the molten metal into ingot molds. The ingots are then cooled and solidified, ready to be further processed into finished products.
In summary, aluminium alloy ingots are essential materials in modern manufacturing, offering a combination of strength, lightweight, and resistance properties tailored for a wide range of industrial applications.
Indian/British Standard Aluminium Alloy Ingots
| BS1490:1970 | IS617:1959 | Si | Fe | Cu | Mn | Mg | Zn | Ni | Ti | Pb | Al |
|---|---|---|---|---|---|---|---|---|---|---|---|
| LM0 | A0 | 0.30 Max | 0.40 Max | 0.03 Max | 0.03 Max | 0.03 Max | 0.07 Max | 0.03 Max | 0.03 Max | BAL | |
| LM1 | A1 | 2.0-4.0 | 1.0 Max | 6.0-8.0 | 0.60 Max | 0.15 Max | 2.0-4.0 | 0.50 Max | 0.20 Max | 0.03 Max | BAL |
| LM2 | A2 | 9.0-11.5 | 1.0 Max | 0.70-2.50 | 0.50 Max | 0.30 Max | 2.0 Max | 0.50 Max | 0.20 Max | 0.03 Max | BAL |
| LM3 | A3 | 1.30 Max | 1.0 Max | 2.50-4.50 | 0.50 Max | 0.10 Max | 9.0-13.0 | 0.50 Max | 0.20 Max | 0.03 Max | BAL |
| LM4 | A4 | 4.0-6.0 | 0.80 Max | 2.00-4.00 | 0.2-0.6 | 0.15 Max | 0.50 Max | 0.30 Max | 0.20 Max | 0.10 Max | BAL |
| LM5 | A5 | 0.30 Max | 0.60 max | 0.10 Max | 0.3-0.7 | 3.0-6.0 | 0.10 Max | 0.10 Max | 0.05 Max | 0.05 Max | BAL |
| LM6 | A6 | 10.0-13.0 | 0.60 Max | 0.10 Max | 0.50 Max | 0.10 Max | 0.10 Max | 0.10 Max | 0.10 Max | 0.10 Max | BAL |
| LM7 | A7 | 1.5-3.5 | 0.3-0.4 | 1.0-2.50 | 0.10 Max | 0.05-0.2 | 0.10 Max | 0.50-1.70 | 0.05 Max | 0.05 Max | BAL |
| LM8 | A8 | 3.5-6.0 | 0.60 Max | 0.10 Max | 0.50 Max | 0.3-0.8 | 0.10 Max | 0.10 Max | 0.05 Max | 0.10 Max | BAL |
| LM9 | A9 | 10.0-13.0 | 0.60 Max | 0.10 Max | 0.3-07 | 0.2-0.6 | 0.10 Max | 0.10 Max | 0.20 Max | 0.10 Max | BAL |
| LM10 | A10 | 0.25 Max | 0.35 Max | 0.10 Max | 0.10 Max | 9.5-11.0 | 0.10 Max | 0.10 Max | 0.20 Max | 0.05 Max | BAL |
| LM11 | A11 | 0.25 Max | 0.25 Max | 4.0-5.0 | 0.10 Max | 0.10 Max | 0.10 Max | 0.10 Max | 0.05 Max | 0.05 Max | BAL |
| LM12 | A12 | 2.50 Max | 1.00 Max | 9.0-11.0 | 0.60 Max | 0.2-0.4 | 0.80 Max | 0.50 Max | 0.20 Max | 0.10 Max | BAL |
| LM13 | A13 | 10.0-13.0 | 1.00 Max | 0.70-1.50 | 0.50 Max | 0.8-1.50 | 0.50 Max | 1.50 Max | 0.20 Max | 0.10 Max | BAL |
| LM14 | A14 | 0.60 Max | 0.60 Max | 3.5-4.5 | 0.60 Max | 1.2-1.7 | 0.10 Max | 1.8-2.3 | 0.05 Max | 0.05 Max | BAL |
| LM15 | A15 | 0.60-2.00 | 0.80-1.40 | 0.3-3.0 | 0.10 Max | 0.5-1.7 | 0.10 Max | 0.5-2.0 | 0.05 Max | 0.05 Max | BAL |
| LM16 | A16 | 4.50-6.00 | 0.60 Max | 1.0-1.5 | 0.50 Max | 0.4-0.6 | 0.10 Max | 0.25 Max | 0.20 Max | 0.10 Max | BAL |
| LM18 | A18 | 4.5-6.0 | 0.60 Max | 0.10 Max | 0.50 Max | 0.10 Max | 0.10 Max | 0.10 Max | 0.20 Max | 0.10 Max | BAL |
| LM20 | - | 10.0-13.0 | 1.0 Max | 0.40 Max | 0.5 Max | 0.2 Max | 0.2 Max | 0.1 Max | 0.2 Max | 0.1 Max | BAL |
| LM21 | - | 5.0-7.0 | 1.0 Max | 3.0-5.0 | 0.2-0.6 | 0.1-0.3 | 2.0 max | 0.3 Max | 0.2 Max | 0.2 Max | BAL |
| LM22 | A22 | 4.0-6.0 | 0.60 Max | 2.8-3.8 | 0.2-0.6 | 0.05 Max | 0.15 max | 0.15 Max | 0.2 Max | 0.1 Max | BAL |
| LM23 | - | 1.2-2.8 | 0.8-1.4 | 0.8-2.0 | 0.1 Max | 0.05-0.2 | 0.10 Max | 0.8-1.7 | 0.05 Max | 0.05 Max | BAL |
| LM24 | A24 | 7.5-9.5 | 1.3 Max | 3.0-4.0 | 0.5 Max | 0.30 Max | 3.0 max | 0.1 Max | 0.2 Max | 0.3 Max | BAL |
| LM25 | A25 | 6.5-7.5 | 0.5 Max | 0.1 Max | 0.3 Max | 0.2-0.45 | 0.1 Max | 1.0 Max | 0.2 Max | 0.1 Max | BAL |
| LM26 | A26 | 8.5-10.5 | 1.2 Max | 2.0-4.0 | 0.5 Max | 0.5-1.5 | 1.0 Max | 0.3 Max | 0.2 Max | 0.2 Max | BAL |
| LM27 | A27 | 6.0-8.0 | 0.8 Max | 1.5-2.5 | 0.2-0.6 | 0.3 Max | 1.0 Max | 0.8-1.5 | 0.2 Max | 0.2 Max | BAL |
| LM28 | A28 | 17.0-20.0 | 0.7 Max | 1.3-1.8 | 0.6 Max | 0.8-1.5 | 0.2 Max | - | 0.2 Max | 0.1 Max | BAL |
| LM29 | A29 | 22.0-25.0 | 0.7 Max | 0.8-1.3 | 0.6 Max | 0.8-1.3 | 0.2 Max | 0.8-1.3 | 0.2 Max | 0.1 Max | BAL |
| LM30 | A30 | 16.0-18.0 | 1.1 Max | 4.0-5.0 | 0.3 max | 0.4-0.7 | 0.2 Max | 0.1 Max | 0.2 Max | 0.1 Max | BAL |
| ALSI-62 | - | 5.5-7.0 | 0.4 Max | 1.8-2.5 | 0.2-0.6 | 0.3-0.7 | - | - | 0.2 Max | - | BAL |
| ALSI-132 | - | 11.0-12.5 | 1.0 Max | 1.75-2.5 | 0.5 Max | 0.3 Max | 1.4 Max | 0.3 Max | 0.1 Max | 0.1 Max | BAL |
