Chung Metal supplies Aluminium 3003 forgings with great corrosion resistance, good strength, and excellent workability. Being a manganese-alloyed aluminium grade, 3003 is among the most widely used non-heat-treatable aluminium alloys. It’s perfect for forming operations where light weight, toughness, and ease of fabrication are important considerations. Our forging processes provide accurate dimensions, even surface finish, and improved performance through cold working.
3003 has about 1.0–1.5% manganese, with iron, copper, and silicon in minor amounts. It cannot be heat-treated. Tensile strength: 130–190 MPa; yield strength: 70–130 MPa; elongation: 20–30%. Hardness is average. Good corrosion resistance in neutral conditions. Good workability and reasonable weldability. Mechanical strength is enhanced by cold working.
Standards : ASTM B247, B247
Specification : DIN, ASTM, BS and all International Standards
Flat bar blocks : up to 27″ width and 15,000 lbs.
Cylinders and sleeves : up to 50″ maximum O.D. and 65″ maximum length
Discs and hubs : up to 50″ diameter and 20,000 lbs.
Rolled, hand forged or mandrel forged rings : up to 84″ maximum O.D. and 40″ maximum length
Rounds, shafts and step shafts : up to 144″ maximum length and 20,000 lbs.
| Grade | Al | Cr | Cu | Fe | Mg | Mn | Other Total | Si | Ti | Zn |
| min. | Remainder | – | 0.05 to 0.20% | 0.7% | – | 1.0 to 1.5% | 0.15% | 0.6% | – | 0.10% |
| Grade | Al | Cr | Cu | Fe | Mg | Mn | Other Total | Si | Ti | Zn |
| min. | Remainder | – | 0.05 to 0.20% | 0.7% | – | 1.0 to 1.5% | 0.15% | 0.6% | – | 0.10% |
| European Standard | OLD | WNr | UNS | ISO | USA (AA) | GERMANY (DIN) |
| AW-AlCu4Mg1 | AU4G1 | 3.0517 | A93003 | AlCu4Mg | 3003 | AlCuMg2 |
Aluminum 3003 offers excellent corrosion resistance, good formability, lightweight, and high strength-to-weight ratio, making it ideal for custom forgings in industries like aerospace, automotive, and construction.
Aluminum 3003 is not ideal for high-temperature forging applications due to its low strength at elevated temperatures. It is more suitable for applications requiring good formability at moderate temperatures.
Aluminum 3003 has good workability, making it easy to forge. Its excellent formability allows for smooth shaping, but it requires careful temperature control to avoid material damage during forging.
3003 aluminium parts that are forged are utilized in cookware, chemical vessels, roofing sheets, siding, fuel tanks, air conditioning systems, and heat exchangers. Also utilized in food and beverage processing, truck trailers, and architectural paneling. Its resistance to corrosion allows it to be employed in atmospheric and marine conditions. 3003 is also utilized in curved and bent components, decorative components, and forming-intensive processes because of its ductility.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Da Nang, Vietnam
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