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5083

AMS QQ-A-250/6 / AlMg4.5Mn0.7 / 5083 / H14

Chemical Properties % Value
Silicon (Si)0,00 - 0,70
Tin (Sn)0,50 - 0,90
Chromium (Cr)0,00 - 0,10
Manganese (Mn)0,40 - 1,00
Magnesium (Mg)4,00 - 4,90
Copper (Cu)0,00 - 0,10
Titanium (Ti)0,00 - 0,15
Iron (Fe)0,00 - 0,40
Zinc (Zn)0,00 - 0,25
Aluminium (Al)Balance
Physical Properties Value
Density2.66 g/cm³
Melting Point570 °C
Thermal Expansion24.2 µm/m.°C
Modulus of Elasticity72 GPa
Thermal Conductivity117 W/m-K
Electrical Resistivity29 % IACS
Mechanical Properties Value
Proof Strength290 MPa
Yield Strength360 MPa
Shear Strength210 MPa
Elongation A50 mm3.4 %
Hardness100 HB
5083 H14 Temperature – Ultimate Tensile Strength Graph
5083 H14 Temperature – Ultimate Tensile Strength Graph
5083 H14 Thickness – Ultimate Tensile Strength Graph
5083 H14 Thickness – Ultimate Tensile Strength Graph
5083 H14 Diameter – Ultimate Tensile Strength Graph
5083 H14 Diameter – Ultimate Tensile Strength Graph
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5083 H14 aluminum alloy is a magnesium (Mg) and manganese (Mn) containing material from the 5xxx series, known for its high strength and prominence in marine applications. The H14 temper provides a half-hard structure achieved by strain hardening, offering a balanced performance between strength and formability. This alloy is particularly superior in terms of corrosion resistance and demonstrates long-term durability even in seawater, saline environments, and aggressive chemical conditions. Therefore, it is widely preferred in shipbuilding and offshore applications.

In terms of strength, 5083 H14 is among the higher strength alloys in the 5xxx series. Compared to 5052 H14, it provides significantly higher strength and better mechanical performance. Compared to 5005 H14, it is much stronger and suitable for structural applications. When compared to 6061-T6, it can approach similar strength levels in some cases while offering much better corrosion resistance and post-weld performance.

In terms of machinability, 5083 H14 alloy is moderate; it is limited for machining but can be easily processed in sheet and plate form. Its bending capability is good, although larger bend radii may be required due to its higher strength. Nevertheless, the risk of cracking is low, and complex forming operations can be performed with proper processes. Its cold forming capability is balanced.

In terms of coating capability, 5083 H14 alloy shows good performance, but it provides more limited aesthetic results compared to the 5005 series 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, which is advantageous in heavy-duty applications.

Its weldability is very high and high-quality welds can be achieved using methods such as MIG and TIG. Strength loss after welding is minimal. This feature provides a major advantage especially in large structural applications. The 5083 H14 alloy is widely used in sectors such as shipbuilding, offshore structures, pressure vessels, LNG tanks, defense industry, transportation equipment, and heavy industry. It stands out especially in applications where both high strength and superior corrosion resistance are required.

 

ALLOY DESIGNATIONS
 
5083 H14 can be available in the following standards.
• 5083 H14 Sheet; ASTM B209,AMS QQ-A-250/6,DIN AlMg4.5Mn,ISO AlMg4.5Mn0.7,WNR 3.3547
• 5083 H14 Seamless Extruded Tube; ASTM B241,AMS QQ-A-200/4,DIN AlMg4.5Mn,ISO AlMg4.5Mn0.7,WNR 3.3547

 

Choosing Factors for 5083 H14

  • Strength: Very good
  • Machining: Poor
  • Weldability: Okay
  • Formability: Average
  • Corrosion Resistance: Excellent
  • Heat Treating: None
     

Some Well-Known Applications for 5083 H14
In shipbuilding industry,
In storage tanks in the marine industry,
Also it is used in pressure vessels and vehicle chassis.

 

SUPPLIED FORMS
5083 H14 is produced/supplied in round/flat bar and tube/profile forms.
  • Tube/Profile
  • Round/Flat Bar
  • Sheets
DELIVERY: