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2017

Cold Drawn/Finished (CF) / AlCu4MgSi (Soğuk Çekim) / 2017 / T351

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 Point513 °C
Thermal Expansion23.6 µm/m.°C
Modulus of Elasticity72 GPa
Thermal Conductivity134 W/m.K
Electrical Resistivity38 % IACS
Mechanical Properties Value
Proof Strength270 MPa
Yield Strength390 MPa
Shear Strength262 MPa
Elongation A50 mm16%
Hardness105 HB

The cold-drawn 2017 T351 aluminum alloy is known for its high strength, good machinability, and fatigue resistance, making it widely used in high-durability applications such as aerospace, automotive, and engineering. With its copper content, this alloy is particularly suitable for load-bearing and high-strength components, offering long-lasting performance in environments with high vibration and impact. However, the high copper content limits its natural corrosion resistance, requiring additional protective coating in outdoor or marine environments. The alloy is compatible with anodizing, which enhances surface durability and improves corrosion resistance.

The weldability of the 2017 T351 aluminum alloy is limited, so mechanical fastening methods are generally preferred for assembly. The cold-drawing process gives this alloy good bendability and high formability, allowing it to be used even in complex shapes. Its high vibration resistance also offers significant benefits in the automotive and aerospace sectors by ensuring part durability and consistent performance. Key advantages include high strength, fatigue resistance, good machinability, and anodizing compatibility, while its limitations are lower natural corrosion resistance and limited weldability. These qualities make the 2017 T351 aluminum alloy an ideal material for projects demanding both durability and high performance.

 

ALLOY DESIGNATIONS
 
2017 T351 has the following standard designations and specifications.

As Sheet/Plate; 2017 T351, AMS QQ-A-225/5, ASTM B209ISO AlCu4MgSiUNS A92017, WNR 3.1325, DIN AlCuMg1

As Cold Drawn Round/Flat Bar: 2017 T351, AMS QQ-A-225/5, ASTM B211UNS A92017, WNR 3.1325, DIN AlCuMg1, ASTM B565, ASTM B316, 

 

Choosing Factors for 2017 T351

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

Some Well-Known Applications for 2017 T351

As components of fasteners and rivets,

As aircraft material in the aerospace industry,

It is used in military equipment and structural materials requiring high strength.

 

SUPPLIED FORMS
 
2017 T351 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