Phehlukwayo Metal is a well-respected manufacturer and supplier of high-quality metal forgings located in Cape Town, South Africa. With a keen emphasis on high-performance alloys, the company specializes in Aluminium 5083 forgings, catering to industries that demand exceptional corrosion resistance and durability in tough environments. By employing cutting-edge forging techniques and rigorous quality control, Phehlukwayo Metal guarantees that each component meets stringent performance and safety standards. Their Aluminium 5083 forgings are relied upon by clients in the marine, defense, transport, and structural sectors for their reliability, strength, and outstanding resistance to saltwater and harsh chemicals in challenging applications.
Aluminium 5083 forgings primarily consist of aluminium, along with notable amounts of magnesium (4.0–4.9%), manganese (0.4–1.0%), and trace elements like chromium. This alloy is celebrated for its remarkable corrosion resistance, particularly in marine settings, and maintains high strength even post-welding. It boasts a tensile strength of about 330 MPa and a yield strength of roughly 230 MPa in the H116 or H321 temper. Although it isn’t heat-treatable, 5083 excels in low-temperature and high-moisture conditions, making it perfect for applications where structural integrity and corrosion resistance are vital over extended service periods.
Standards : ASTM B247, B247
Temper : H14
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.
| Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Others, each | Others, total | Al |
| 0.4 | 0.5 | 0.1 | 0.20-0.70 | 3.5-4.5 | 0.05-0.25 | 0.25 | 0.15 | 0.05 | 0.15 | Balance |
| Proof Stress | Tensile Strength | Hardness Brinell | Elongation |
| 125 Min MPa | 275 – 350 MPa | 75 HB | 12 Min % |
| European Standard | OLD | WNr | UNS | ISO | USA (AA) | GERMANY (DIN) |
| AW-AlMg4 | AG4MC | 3.3545 | A95086 | AlMg4 | 5086 | AlMg4Mn |
Aluminum 5086 is not ideal for high-temperature forging applications due to its relatively low melting point and limited strength at elevated temperatures. It is better suited for marine and structural applications.
Aluminum 5086 offers high strength, excellent corrosion resistance, and weldability. It is ideal for marine environments, aerospace applications, and custom forgings requiring durability, lightweight properties, and easy fabrication.
Aluminum 5086's excellent workability enables easy forging, allowing it to maintain strength and formability. However, its susceptibility to cold working requires careful temperature control during forging to prevent cracking.
Aluminium 5083 forgings find extensive use in industries that require lightweight, corrosion-resistant, and robust components. In the **marine sector**, it’s a preferred choice for boat hulls, decks, and superstructures due to its exceptional resistance to saltwater. The **defense industry** utilizes it for armored vehicle panels and structural components where both strength and corrosion resistance are crucial. In **transportation**, it’s employed in tankers, trailers, and railcars, especially for liquid transport. It is also used in **






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