SubsTech     
SubsTech     

to Wrought aluminum-zinc-magnesium alloys (7xxx)
to Properties of aluminum alloys

Wrought aluminum-zinc-magnesium alloy 7072

(submitted by the website administration)

Wrought aluminum-zinc-magnesium alloy 7072
Chemical composition: Zn=1.0%, Al balance
Property Value in metric unit Value in US unit
Density 2.72 *10³ kg/m³ 170 lb/ft³
Modulus of elasticity 70 GPa 10200 ksi
Thermal expansion (20 ºC) 23.6*10-6 ºCˉ¹ 13.1*10-6 in/(in* ºF)
Specific heat capacity 893 J/(kg*K) 0.213 BTU/(lb*ºF)
Thermal conductivity 222 W/(m*K) 1540 BTU*in/(hr*ft²*ºF)
Electric resistivity 2.99*10-8 Ohm*m 2.99*10-6 Ohm*cm
Tensile strength (annealed) 70 MPa 10200 psi
Elongation (annealed) 15 % 15 %
Shear strength (annealed) 55 MPa 8000 psi
Hardness (annealed) 20 HB 20 HB
Tensile strength (H12) 100 MPa 14500 psi
Yield strength (H12) 68 MPa 9860 psi
Shear strength (H12) 60 MPa 8700 psi
Hardness (H12) 28 HB 28 HB
Annealing temperature 343 ºC 650 ºF

Related internal links

wrought_aluminum-zinc-magnesium_alloy_7072.txt · Last modified: 2023/12/13 by dmitri_kopeliovich
Promote in SubsTech       Creative Commons License Except where otherwise noted, this work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License