About Sterling
We manufacture Aluminium Alloy Ingots, Aluminium Alloy castings at Pune. Our registered office is in Mumbai, India.
We manufacture Aluminium alloy ingots such as LM2, LM6, LM20, LM24, LM25, A356, A356.2, AlSi7Mg, AlSi10Mg, LM9, ADC6, ADC12, AlSi132, AC2A, AC2B etc. for gravity (GDC), pressure (PDC), low pressure (LPDC) and sand die-casting.
We produce Aluminium alloys to local and International specifications such as IS, BS, JIS, DIN and ASTM as well as proprietary alloys as per our customer needs.
Our Philosophy
A satisfied customer is an asset and hence we do not leave any stone unturned to satisfy our customers.
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Transparency in work
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Sincerity at work
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Dedication and Hard Work
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Ownership of work
Our Product
JIS – Chemical Composition (% by weight )
| Alloys | Cu | Si | Mg | Zn | Fe | Mn | Cr | Ni | Sn | Pb | Ti | Al |
| ADC1 | 1.0 max | 11.0 to 13.0 | 0.3 max | 0.5 max | 1.3 max | 0.3 max | – | 0.5 max | 0.1 max | 0.20 max | 0.30 max | Balance |
| ADC3 | 0.6 max | 9.0 to 11.0 | 0.4 to 0.6 | 0.5 max | 1.3 max | 0.3 max | – | 0.5 max | 0.1 max | 0.15 max | 0.30 max | Balance |
| ADC5 | 0.2 max | 0.3 max | 4.0 to 8.5 | 0.1 max | 1.8 max | 0.3 max | – | 0.1 max | 0.1 max | 0.1 max | 0.20 max | Balance |
| ADC6 | 0.1 max | 1.0 max | 2.5 to 4.0 | 0.4 max | 0.8 max | 0.4 to 0.6 | – | 0.1 max | 0.1 max | 0.1 max | 0.20 max | Balance |
| ADC10 | 2.0 to 4.0 | 7.5 to 9.5 | 0.3 max | 1.0 max | 1.3 max | 0.5 max | – | 0.5 max | 0.2 max | 0.20 max | 0.30 max | Balance |
| ADC10Z | 2.0 to 4.0 | 7.5 to 9.5 | 0.3 max | 3.0 max | 1.3 max | 0.5 max | – | 0.5 max | 0.2 max | 0.20 max | 0.30 max | Balance |
| ADC12 | 1.5 to 3.5 | 9.6 to 12.0 | 0.3 max | 1.0 max | 1.3 max | 0.5 max | – | 0.5 max | 0.2 max | 0.20 max | 0.30 max | Balance |
| ADC12Z | 1.5 to 3.5 | 9.6 to 12.0 | 0.3 max | 3.0 max | 1.3 max | 0.5 max | – | 0.5 max | 0.2 max | 0.20 max | 0.30 max | Balance |
| ADC14 | 4.0 to 5.0 | 16.0 to 18.0 | 0.45 to 0.65 | 1.5 max | 1.3 max | 0.5 max | – | 0.3 max | 0.3 max | 0.20 max | 0.30 max | Balance |
| AC4B | 2.0 to 4.0 | 7.0 to 10.0 | 0.5 max | 1.0 max | 0.8 max | 0.5 max | 0.20 max | 0.35 max | 0.10 max | 0.20 max | 0.20 max | Balance |
| AC2B | 2.0 to 4.0 | 5.0 to 7.0 | 0.5 max | 1.0 max | 0.8 max | 0.5 max | 0.20 max | 0.35 max | 0.10 max | 0.20 max | 0.20 max | Balance |
| AlSi9Mg | 0.03 max | 9.0 to 10.0 | 0.30 to 0.45 | 0.07 max | 0.15 max | 0.10 max | – | – | – | – | 0.15 max | Balance |
| AlSi10Mg | 0.08 max | 9.0 to 11.0 | 0.25 to 0.45 | 0.10 max | 0.45 max | 0.45 max | – | 0.05 max | 0.05 max | 0.05 max | 0.15 max | Balance |
| AlSi9Cu1Mg | 0.8 to 1.3 | 8.3 to 9.7 | 0.30 to 0.65 | 0.80 max | 0.7 max | 0.15 to 0.55 | – | 0.20 max | 0.10 max | 0.10 max | 0.10 to 0.18 | Balance |
| AlSi9Cu3(Fe) | 2.0 to 4.0 | 8.0 to 11.0 | 0.05 to 0.55 | 3.0 max | 1.3 max | 0.55 max | 0.15 max | 0.55 max | 0.25 max | 0.35 max | 0.25 max | Balance |
| AlSi12Cu1(Fe) | 0.7 to 1.2 | 10.5 to 13.5 | 0.35 max | 0.55 max | 1.3 max | 0.55 max | 0.10 max | 0.30 max | 0.10 max | 0.20 max | 0.20 max | Balance |
BS – Chemical Composition ( % by weight)
| Alloy | Cu | Mg | Si | Fe | Mn | Ni | Zn | Pb | Sn | Ti | Al |
| LM0 | 0.03 | 0.03 | 0.3 | 0.4 | 0.03 | 0.03 | 0.07 | 0.03 | 0.03 | – | Balance |
| LM2 | 0.7-2.5 | 0.3 | 9.0-11.5 | 1 | 0.5 | 0.5 | 2 | 0.3 | 0.2 | 0.2 | Balance |
| LM4 | 2.0-4.0 | 0.2 | 4.0-6.0 | 0.8 | 0.2-0.6 | 0.3 | 0.5 | 0.1 | 0.1 | 0.2 | Balance |
| LM5 | 0.1 | 3.0-6.0 | 0.3 | 0.6 | 0.3-0.7 | 0.1 | 0.1 | 0.05 | 0.05 | 0.2 | Balance |
| LM6 | 0.1 | 0.1 | 10.0-13.0 | 0.6 | 0.5 | 0.1 | 0.1 | 0.1 | 0.05 | 0.2 | Balance |
| LM9 | 0.2 | 0.2-0.6 | 10.0-13.0 | 0.6 | 0.3-0.7 | 0.1 | 0.1 | 0.1 | 0.05 | 0.2 | Balance |
| LM12 | 9.0-11.0 | 0.2-0.4 | 2.5 | 1 | 0.6 | 0.5 | 0.8 | 0.1 | 0.1 | 0.2 | Balance |
| LM13 | 0.7-1.5 | 0.8-1.5 | 10.0-13.0 | 1 | 0.5 | 1.5 | 0.5 | 0.1 | 0.1 | 0.2 | Balance |
| LM14 | 3.5 – 4.5 | 1.2 – 1.7 | 0.6 | 0.6 | 0.6 | 1.8 – 2.3 | 0.1 | 0.05 | 0.05 | 0.2 | Balance |
| LM15 | 0.3 – 3.0 | 0.5 – 1.7 | 0.6 – 2.0 | 0.8 – 1.4 | 0.1 | 0.5 – 2.0 | 0.1 | 0.05 | 0.05 | 0.05 – 0.3 | Balance |
| LM16 | 1.0-1.5 | 0.4-0.6 | 4.5-5.5 | 0.6 | 0.5 | 0.25 | 0.1 | 0.1 | 0.05 | 0.2 | Balance |
| LM20 | 0.4 | 0.2 | 10.0 – 13.0 | 1 | 0.5 | 0.1 | 0.2 | 0.1 | 0.1 | 0.2 | Balance |
| LM21 | 3.0 – 5.0 | 0.1 – 0.3 | 5.0 – 7.0 | 1 | 0.2 – 0.6 | 0.3 | 2 | 0.2 | 0.1 | 0.2 | Balance |
| LM22 | 2.8 – 3.8 | 0.05 | 4.0 – 6.0 | 0.6 | 0.2 – 0.6 | 0.15 | 0.15 | 0.1 | 0.05 | 0.2 | Balance |
| LM24 | 3.0 – 4.0 | 0.3 | 7.5 – 9.5 | 1.3 | 0.5 | 0.5 | 3 | 0.3 | 0.2 | 0.2 | Balance |
| LM25 | 0.2 | 0.2 – 0.6 | 6.5 – 7.5 | 0.5 | 0.3 | 0.1 | 0.1 | 0.1 | 0.05 | 0.2 | Balance |
| LM26 | 2.0 – 4.0 | 0.5 – 1.5 | 8.5 – 10.5 | 1.2 | 0.5 | 1 | 1 | 0.2 | 0.1 | 0.2 | Balance |
| LM27 | 1.5 – 2.5 | 0.35 | 6.0 – 8.0 | 0.8 | 0.2 – 0.6 | 0.3 | 1 | 0.2 | 0.1 | 0.2 | Balance |
| LM28 | 1.3 – 1.8 | 0.8 – 1.5 | 17 – 20 | 0.7 | 0.6 | 0.8 – 1.5 | 0.2 | 0.1 | 0.1 | 0.2 | Balance |
| LM29 | 0.8 – 1.3 | 0.8 – 1.3 | 22 – 25 | 0.7 | 0.6 | 0.8 – 1.3 | 0.2 | 0.1 | 0.1 | 0.2 | Balance |
| LM30 | 4.0 – 5.0 | 0.4 – 0.7 | 16 – 18 | 1.1 | 0.3 | 0.1 | 0.2 | 0.1 | 0.1 | 0.2 | Balance |
| LM31 | 0.1 | 0.5 – 0.75 | 0.25 | 0.5 | 0.1 | 0.1 | 4.8 – 5.7 | 0.05 | 0.05 | 0.25 | Balance |
Key Features
- Excellent castability
- High and consistent metal quality
- Low level of impurities and trace elements
Product Details:
Alloys are produced as continuous cast or mold cast ingots. The products are stacked and strapped into bundles of various sizes. Depending on the particular production source, our foundry alloy ingots are supplied in weights of 5-6 kg, and bundle weights can range from 500-800 kg. Most used alloy groups:- ADC12 alloys
- ADC6 alloys
- HS1 alloys
- AC4B alloys
- LM24 alloys
- LM6 alloys
- HD4 alloys
Application Area:
- Wheels
- Chassis components as brake parts and suspension parts
- Cylinder heads
Other Applications:
- Electrical applications
- Decorative / anodized applications and/or where highest corrosion resistance is sought
Quality Policy
- We, at Sterling alloys, are committed to achieving customer satisfaction through timely delivery of quality products.
- We will strive to achieve operational efficiency through technical competence, process improvements, efficient supply chain management and adherence to systems in all activities.
- It is our shared responsibility to care for our environment and look after Health & Safety within the organization.
- Our goal is to strive for an accident and pollution free environment.
- We will comply with all legislation, consents and other requirements related to the product, environment, health, and safety.
- Training, teamwork and employee involvement in decision making shall be our guiding principles for continual improvement in the Integrated Management System.
Industries We Serve
Electrical Segment
Aluminium use in Fan industries, LED bulb base, housing, flood lighting fixtures, table, floor & other lighting fixtures.
General Engineering Segment
Aluminium alloys are the most widely used non-ferrous metals in engineering owing to their attractive properties, such as high strength-to-weight ratio, good ductility, good corrosion resistance, availability and low cost.
Automobile Segment
Aluminium Alloys have wide use in Automobile Sector, Aluminium uses per unit of approximately 70 Kg and is expected to increase dramatically as average fuel economy mandates and emphasis on recycling continue.