Semih Metals, based in Istanbul, Turkey, stands out as a leading manufacturer and supplier of Aluminium 5082 forgings. With a strong focus on quality and precision, they provide high-performance aluminium products that adhere to strict industry standards. Utilizing cutting-edge production methods and rigorous quality control, Semih Metals caters to a variety of sectors by offering durable, corrosion-resistant forgings. Their commitment to innovation and customer satisfaction has established them as a reliable partner in both local and global markets for Aluminium 5082 forging solutions.
Aluminium 5082 primarily consists of aluminium with a magnesium content ranging from 4.0% to 4.9%, along with trace amounts of manganese and chromium. This unique blend grants it exceptional corrosion resistance, particularly in marine settings, as well as good weldability. The alloy typically boasts a tensile strength between 230 and 290 MPa and a yield strength of 125 to 190 MPa. Aluminium 5082 forgings are known for their robust mechanical properties, high fatigue resistance, and outstanding toughness, making them perfect for structural applications that demand durability and strength.
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.
| Cu | Fe | Mg | Al | Cr | Mn | Si | Ti | Zn | Residuals |
| 0.1% max | 0.5% max | 0.6 to 1.2% | 95.2 to 98.3% | 0.25% max | 0.4% to 1.0% | 0.7 to 1.3% | 0.1% max | 0.2% max | 0.15% max |
| Melting Point | Modulus of Elasticity | Electrical Resistivity | Thermal Conductivity | Thermal Expansion | Specific Heat |
| 2700 kg/m3 | 555°C | 70 GPa | 0.038×10-6 Ω.m | 180 W/m.K | 24×10-6 /K |
| European Standard | OLD | WNr | UNS | ISO | USA (AA) | GERMANY (DIN) |
| AW-AlMg4,5 | AG4,5 | 3.3345 | A95082 | AlMg4,5 | 5082 | AlMg4,5 |
Aluminum 5082 offers high strength, excellent corrosion resistance, good weldability, and enhanced fatigue resistance, making it ideal for custom forgings in marine, aerospace, and structural applications.
The forging process for Aluminium 5082 typically takes between 2 to 6 hours, depending on the complexity of the part, size, and the specific forging method used.
Aluminum 5082's workability, characterized by good machinability and medium strength, allows for easy shaping during forging. However, its relatively low work hardening rate may require careful temperature control.
These forgings find extensive use in the marine industry, including shipbuilding and offshore platforms, thanks to their remarkable resistance to seawater corrosion. They’re also prevalent in the automotive and aerospace sectors for lightweight yet strong components. Furthermore, this alloy is utilized in pressure vessels, storage tanks, and architectural structures. With its excellent weldability and durability, Aluminium 5082 forgings are the go-to choice for parts that face harsh environmental conditions or require a high strength-to-weight ratio.






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