All data is for information only------(Home)
PRODUCT DATA of AA7068-T6
MaterialAA7068-T6
Product DatasheetKaiser 7068 rod and bar
Kaiser 7068 brochure
General InformationAlloy 7068 offers some of the highest strength mechanical properties available in an extruded product.
Product TypeRod & bar Extruded
Chemical Composition8Zn-3Mg-2Cu-0.1Zr, rem Al
Name of ManufacturerKaiser Aluminum Corporation
27422 Portola Parkway, Suite 350,
Foothill Ranch, CA 92610-2831
800-873-2011 / (949) 614-1740
(949) 614-1930
sales@kaiseraluminum.com
PHYSICAL PROPERTIES
Specific Gravity2.85
Magnetic PropertiesNonmagnetic
ELASTIC PROPERTIES
Tensile Modulus69.6 GPa
MECHANICAL PROPERTIES
Ultimate Tensile Strength600 MPa
S-T direction
Data Quality: Design Data
Proof Stress (0.2%)538 MPa
S-T direction
Data Quality: Design Data
Elongation5 %
L- direction
Data Quality: Design Data
Fracture Toughness (KIc)16.5 to 27.5 MPa.m^1/2
Remark:Lowest value for the T-L direction Highest value for the L-T direction

Data Quality: Manufacturer's data
Hardness190 HB
Shear Strength365 MPa
Data Quality: Manufacturer's data
ELECTRICAL PROPERTIES
Electrical Volume Resistivity0.0000494 ohm.m
Data Quality: Manufacturer's data
Electrical Conductivity31 %IACS
Data Quality: Manufacturer's data
THERMAL PROPERTIES
Thermal Conductivity190 W/m.K
Data Quality: Manufacturer's data
Thermal Expansion Coefficient23.4 μstrain/°C
Data Quality: Manufacturer's data
Specific Heat1.05 J/g.K
Data Quality: Manufacturer's data
Melting Range476 to 635 °C
Data Quality: Manufacturer's data
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
General Corrosion Statusshould be protected
Data Quality: Manufacturer's data
Stress Corrosion StatusUnknown
Indications of service failures with sustained tension stress acting in short transverse direction relative to grain structure; Indications of limited failures in laboratory tests of long transverse specimens
Data Quality: Manufacturer's data