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3003
AMS QQ-A-200/1 / AlMn1Cu / 3003 / H112
| Chemical Properties | % Value |
| Silicon (Si) | 0,00 - 0,60 |
| Chromium (Cr) | 0,04 - 0,35 |
| Manganese (Mn) | 1,00 - 1,50 |
| Magnesium (Mg) | 0,80 - 1,20 |
| Copper (Cu) | 0,05 - 0,20 |
| Titanium (Ti) | 0,00 - 0,15 |
| Iron (Fe) | 0,00 - 0,70 |
| Zinc (Zn) | 0,00 - 0,10 |
| Aluminium (Al) | Balance |
| Physical Properties | Value |
| Density | 2,70 g/cm³ |
| Melting Point | 582 °C |
| Thermal Expansion | 23.4 µm/m.°C |
| Modulus of Elasticity | 69 GPa |
| Thermal Conductivity | 180 W/m.K |
| Electrical Resistivity | %43 IACS |
| Mechanical Properties | Value |
| Proof Strength | 45 MPa |
| Yield Strength | 110 MPa |
| Shear Strength | 68 MPa |
| Elongation A50 mm | 15% |
| Hardness | 32 HB |
| 3003 H112 Temperature – Ultimate Tensile Strength Graph |
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| 3003 H112 Thickness – Ultimate Tensile Strength Graph |
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| 3003 H112 Diameter – Ultimate Tensile Strength Graph |
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| 3003 H112 Diameter-Yield Tensile Strength |
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3003 H112 aluminum alloy is a manganese-containing material belonging to the 3xxx series, offering a combination of moderate strength and high corrosion resistance. This alloy is particularly resistant to atmospheric conditions and is preferred in many structural applications in terms of corrosion resistance. It demonstrates long-lasting performance in marine environments, humid air, and chemically exposed areas. Compared to pure aluminum, 3003 provides better strength while maintaining its formability.
In terms of strength, 3003 H112 is not as strong as high-strength alloys but has a wide range of applications due to its balanced mechanical properties. For example, compared to 6061-T6, it has lower strength but better formability. When compared to 5052 alloy, it has similar corrosion resistance but slightly lower strength and better formability. Compared to 2024 alloy, it has much lower strength but significantly better corrosion resistance and weldability.
In terms of machinability, 3003 alloy is moderate; although not ideal for machining, it can be easily processed, especially in sheet form. Its bending capability is very good, with a low risk of cracking, making it suitable for producing complex geometries. Its suitability for cold forming processes makes it important in industrial production. It is suitable for processes such as deep drawing and roll forming.
In terms of coating capability, 3003 alloy performs very well. It is suitable for anodizing, painting, and other surface coating processes. This feature provides an advantage in architectural and decorative applications where aesthetics are important. Additionally, it offers good damping in terms of vibration response, making it usable in vibrating environments.
Its weldability is very high and it can be easily joined using common welding methods such as MIG and TIG. This provides an advantage in applications such as tanks, pressure vessels, and piping systems. The 3003 H112 alloy is widely used in many industries such as automotive, HVAC systems, food equipment, chemical industry, and architectural applications. It stands out especially in applications requiring lightness, corrosion resistance, and formability.
Choosing Factors for 3003 H112
- Strength: Moderate
- Machining: Good
- Weldability: Excellent
- Formability: Good
- Corrosion Resistance: Excellent
- Heat Treating: None
Some Well-Known Applications for 3003 H112
In the structure of gutter systems,
In downspouts and roofing applications,
It is also used in storage tanks.
3003 H112 is produced/supplied in round/flat bar and tube/profile forms.
- Rod / Round Bar / Flat Bar
- Tube/Profile




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