5083 H111 aluminum alloy is a magnesium (Mg) and manganese (Mn) containing material from the 5xxx series, with a lightly strain-hardened temper condition (less than H11). The H111 temper provides a slight increase in strength while maintaining high ductility and formability. This alloy is particularly superior in terms of corrosion resistance and demonstrates long-term durability in seawater, saline environments, and aggressive chemical conditions. Therefore, it is widely preferred in marine and offshore applications.

In terms of strength, 5083 H111 provides lower strength than H14 and H32 tempers but higher strength than the O temper. Compared to 5083 O, it offers higher strength but slightly lower formability. When compared to 5052 H111, it provides significantly higher strength and better seawater resistance. Compared to 6061-T6, although it has lower strength, it offers much better corrosion resistance and weld performance.

In terms of machinability, 5083 H111 alloy is moderate; it is limited for machining but can be easily processed in sheet and plate form. Its bending capability is very good, and due to its lower hardness, the risk of cracking is low. Therefore, it is suitable for large panels, complex geometries, and wide-surface forming applications. Its cold forming performance is well balanced.

In terms of coating capability, 5083 H111 alloy shows good performance, but provides more limited surface aesthetics compared to 5005 alloy in decorative applications. Anodizing can be applied, although color uniformity may vary. It is suitable for painting and other surface treatments. Additionally, it provides good damping capability in terms of vibration response, especially beneficial in large structural applications.

Its weldability is very high and it can be easily welded using methods such as MIG and TIG. Strength loss after welding is quite low. This feature provides a significant advantage especially in large and critical structural applications. The 5083 H111 alloy is widely used in sectors such as shipbuilding, offshore structures, LNG tanks, pressure vessels, defense industry, transportation equipment, and heavy industry. It stands out especially in applications requiring both high corrosion resistance and good formability.

MATERIAL COMPOSITION STANDARDS

5083 H111 is available according to the following standards.
• 5083 H111 Extruded Round Bar; ASTM B221, UNS A95083, ASTM B928, WNR 3.3547, AMS QQ-A-200/4, ISO AlMg4.5Mn0.7, DIN AlMg4.5Mn
• 5083 H111 Extruded Flat Bar; ASTM B221, UNS A95083, ASTM B928, WNR 3.3547, AMS QQ-A-200/4, ISO AlMg4.5Mn0.7, DIN AlMg4.5Mn
• 5083 H111 Extruded Wire; ASTM B221, UNS A95083, ASTM B928, WNR 3.3547, AMS QQ-A-200/4, ISO AlMg4.5Mn0.7, DIN AlMg4.5Mn
• 5083 H111 Extruded Tube; ASTM B221, UNS A95083, ASTM B928, WNR 3.3547, AMS QQ-A-200/4, ISO AlMg4.5Mn0.7, DIN AlMg4.5Mn
• 5083 H111 Plate; ASTM B209, UNS A95083, WNR 3.3547, AMS QQ-A-250/6, DIN AlMg4.5Mn, ISO AlMg4.5Mn0.7
• 5083 H111 Sheet; ASTM B209, UNS A95083, WNR 3.3547, AMS QQ-A-250/6, DIN AlMg4.5Mn, ISO AlMg4.5Mn0.7
 

Key Characteristics for 5083 H111: 

• Strength: Very good
• Machinability: Poor
• Weldability: Good
• Formability: Average
• Corrosion Resistance: Very good
• Heat Treatment: No
   

Some Well-Known Applications for 5083 H111: 
Interior architecture of ships,
Fuel tanks,
Railroad cars, among other uses.
 

STOCK
We produce/supply 5083 H111 in plate, sheet, bar/flat bar, and tube/profile forms.

• Bar / Flat Bar
• Plate
• Sheet
• Tube / Profile