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2017

Cold Drawn/Finished (CF) / AlCu4MgSi (Soğuk Çekim) / 2017 / T651

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 Point512 °C
Thermal Expansion22.9 µm/m.°C
Modulus of Elasticity72 GPa
Thermal Conductivity140 W/m.K
Electrical Resistivity39% IACS
Mechanical Properties Value
Proof Strength270 MPa
Yield Strength390 MPa
Shear Strength260 MPa
Elongation A50 mm%15
Hardness107 HB

The cold-drawn 2017 T651 aluminum alloy is known for its high strength and good machinability, making it ideal for use in industries like aerospace, automotive, defense, and engineering where durability and reliability are critical. Suitable for load-bearing components, this alloy delivers long-lasting performance due to its high strength. While its copper content boosts strength, it slightly limits natural corrosion resistance, so additional protective coating is recommended in challenging environmental conditions. Compatible with anodizing, 2017 T651 aluminum provides both an aesthetic finish and enhanced surface durability, offering improved corrosion resistance.

The weldability of this alloy is limited, so mechanical fastening methods are generally preferred for assembly. Due to the cold-drawing process, 2017 T651 exhibits high formability, allowing it to adapt well to complex and intricate shapes. It also has excellent vibration resistance, making it a reliable choice in high-vibration environments, such as automotive and aerospace applications. Key advantages include high strength, machinability, anodizing compatibility, and bendability, while drawbacks include limited natural corrosion resistance and restricted weldability. Altogether, the 2017 T651 aluminum alloy is an ideal choice for projects demanding durability and high performance.

 

ALLOY DESIGNATIONS
 
2017 T651 has the following standard designations and specifications.

As Sheet/Plate; 2017 T651, ASTM B209ISO AlCu4MgSiUNS A92017, AMS 4110, WNR 3.1325, DIN AlCuMg1

As Extruded Round/Flat Bar;  2017 T651, AMS QQ-A-200/2, ASTM B221, UNS A92017,  WNR 3.1325, DIN AlCuMg1

As Cold Drawn Round/Flat Bar: 2017 T651, AMS QQ-A-225/5, ASTM B211UNS A92017, AMS 4118, AMS 4110, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316,

 

Choosing Factors for 2017 T651

  • Strength: Very good
  • Machining: Excellent
  • Weldability: Average
  • Formability: Good
  • Corrosion Resistance: Mediocre
  • Heat Treating: Yes
 

Some Well-Known Applications for 2017 T651

It is found in the automotive and transportation industry,

Clothing hangers and fasteners,

It has a wide range of application areas, from gauges to aircraft materials.

 

SUPPLIED FORMS
 
2017 T651 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