• Plates

  • Sheets

  • Rod/Round Bar/Flat Bar

  • Tube/Extrusions/Profile

2017

ASTM B221 / AlCu4MgSi / 2017 / T6

Chemical Properties % Value
Silicon (Si)0,20 - 0,80
Chromium (Cr)0,00 - 0,10
Manganese (Mn)0,40 - 1,0
Magnesium (Mg)0,40 - 1,00
Copper (Cu)3,50 - 4,50
Titanium (Ti)0,00 - 0,25
Iron (Fe)0,00 - 0,70
Zinc (Zn)0,00 - 0,25
Aluminium (Al)Balance
Physical Properties Value
Density2.79 g/cm³
Melting Point510 °C
Thermal Expansion22.9 µm/m.°C
Modulus of Elasticity72 GPa
Thermal Conductivity140 W/m.K
Electrical Resistivity40% IACS
Mechanical Properties Value
Proof Strength320 MPa
Yield Strength460 MPa
Shear Strength250 MPa
Elongation A50 mm%11
Hardness130 HB

2017 T6 aluminum alloy is a high-strength material known for its excellent fatigue resistance and machinability. Enhanced with copper content, this alloy is ideal for applications involving demanding mechanical loads. The T6 temper indicates that the alloy has undergone solution heat treatment and artificial aging, providing maximum strength and stability.

This alloy is widely used in aerospace, automotive, defense, and industrial machinery sectors. It is commonly applied in aircraft components, engine parts, chassis elements, and machine equipment requiring high durability. 2017 T6 is compatible with anodizing, which forms a protective oxide layer that enhances corrosion resistance and provides an aesthetic appearance. However, due to its copper content, special attention is required during the anodizing process. Its weldability is limited, and mechanical fasteners or specialized welding techniques are often preferred.

In terms of bending and forming, 2017 T6 aluminum alloy offers moderate formability. Its high strength can make complex shaping processes challenging, but successful results can be achieved with appropriate techniques. The alloy’s fatigue resistance and mechanical stability make it highly suitable for use in high-vibration environments and applications subjected to dynamic loads.

Corrosion resistance is naturally limited, and additional surface treatments are recommended for use in corrosive environments. Advantages of this alloy include high strength, excellent machinability, and fatigue resistance, while disadvantages include limited weldability, reduced formability, and moderate corrosion resistance. These characteristics make 2017 T6 aluminum alloy an excellent choice for projects requiring lightweight materials with superior mechanical performance.

 

ALLOY DESIGNATIONS
 
2017 T6 has the following standard designations and specifications.

As Sheet/Plate; 2017 T6, ASTM B209ISO AlCu4MgSiUNS A92017, WNR 3.1325, DIN AlCuMg1

As Extruded Round/Flat Bar, Profile; 2017 T6, AMS QQ-A-200/2, ASTM B221, UNS A92017, WNR 3.1325, DIN AlCuMg1

 

Choosing Factors for 2017 T6

  • Strength: Very good
  • Machining: Excellent
  • Weldability: Fair
  • Formability: Okay
  • Corrosion Resistance: Mediocre
  • Heat Treating: Yes
 

Some Well-Known Applications for 2017 T6

As a high-resistant material in aerospace,

In defense and military industry, hydraulic applications

It is also used in automatic screwing machines.

 

SUPPLIED FORMS
 
2017 T6 is produced/supplied in plate/sheet, round/flat bar and tube/profile forms.
  • Plate/Sheet
  • Rod / Round Bar / Flat Bar
  • Tube/Profile
  •  
 
DELIVERY:
Mechanical Properties
Thickness (mm) Proof Strength (Min.) Yield Strength (Min.) Elongation A50 mm %
Over 25 up to & incl. 75 270 MPa 400 MPa %10
Over 75 up to & incl. 150 260 MPa 390 MPa %9
Over 150 up to & incl. 200 240 MPa 370 MPa %8
Over 200 up to & incl. 250 220 MPa 360 MPa %7