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7075

AMS 4044 / AlZn5.5MgCu / 7075 / O

Chemical Properties % Value
Silicon (Si)0,00 - 0,40
Chromium (Cr)0,18 - 0,28
Manganese (Mn)0,00 - 0,30
Magnesium (Mg)2,10 - 2,90
Copper (Cu)1,20 - 2,00
Titanium (Ti)0,00 - 0,20
Iron (Fe)0,00 - 0,50
Zinc (Zn)5,10 - 6,10
Aluminium (Al)Balance
Physical Properties Value
Density2.81 g/cm³
Melting Point477°C
Thermal Expansion23 x 10^-6 /K
Modulus of Elasticity71.7 GPa
Thermal Conductivity173 W/m.K
Electrical Resistivity%33 IACS
Mechanical Properties Value
Proof Strength120 MPa
Yield Strength240 MPa
Shear Strength150 MPa
Elongation A50 mm%12
Modulus of Elasticity71.7 GPa
7075 O Sheet is an aluminum which is used in many places.The most important aspect is the process-tolerance relationship.

 

ALLOY DESIGNATIONS
 
7075 O has the following standard designations and specifications.

Sheet as; AMS QQ-A-250/12, AMS 4044,ASTM B209

Alclad Sheet as; AMS QQ-A-250/13,AMS 4048,ASTM B209,WL 3.4374,DAN 424,EN 2092

Oneside Alclad Sheet as; AMS QQ-A-250/18,ASTM B209

Extrusion Seamless Pipe as; AMS QQ-A-200/11,ASTM B241

Cold Drawn as Rod,Flat Bar,Wire as; AMS QQ-A-255/9,AMS 4187,ASTM B211

Cold Drawn Seamless Pipe as; AMS-T-700/7,DIN 3.4365, A-Z5GU

 

Choosing Factors for 7075 O

  • Strength: Average
  • Machining: Poor
  • Weldability: Normal
  • Formability: Weak
  • Corrosion Resistance: Moderate 
  • Heat Treating:No
 
 

Some Well-Known Applications for 7075 O:

In part that need quick change in various project,especially in military project .

Chasis for bicyles and similar light mobile vehicles.

Mechanisms like locks and keys.

 
 
SUPPLIED FORMS
 
7075 O is supplied in plate / sheet , bar / round bar / flat bar, and tube / profile / extrusions form.
 
  • Plate
  • Sheet
  • Rod / Round Bar / Flat Bar
  • Tube / Extrusions / Profile
DELIVERY:
Mechanical Properties
Thickness (mm) Proof Strength (Min.) Yield Strength (Min.) Elongation A50 mm %
over 0.203 up to & incl. 1.57 136 MPa 246 MPa 9.0 - 10
over 1.60 up to & incl. 4.75 137 MPa 260 MPa 10
over 4.78 up to & incl. 12.7 143 MPa 267 MPa 10
over 12.7 up to & incl. 25.4 150 MPa 274 MPa 10