Aluminum 5052 (UNS A95052)

Description

Aluminum alloy 5052 contains nominally 2.5% magnesium, 0.25% chromium and has good workability, medium static strength, high fatigue strength, good weldability, and very good corrosion resistance, especially in marine atmospheres. It also has the low density and excellent thermal conductivity similar to other aluminum alloys. Alloy 5052 can be hardened by cold work and is not heat treatable to higher strength. Since the alloy spontaneously ages at room temperature immediately after cold work, all flat rolled mill products are supplied with stable properties using a stabilization treatment. This is usually achieved by a stabilization thermal treatment, either a low temperature thermal treatment or as a result of heat introduced during rolling, which results in the H3x tempers.

This grade is used in a wide range of atmospheric environments, including food and architectural applications and in many marine environments. The magnesium content is low enough that it does not suffer from the stress corrosion cracking that can affect alloys with more than about 3.5% Mg. Alloy 5052 is also used for consumer electronics casings, notebook computers and televisions.

Chemical Composition
Chemical Composition (wt%) limits as specified in ASTM B209 and ASME SB209*
Element 5052
Silicon 0.25
Iron 0.40
Copper 0.10
Manganese 0.10
Magnesium 2.2-2.8
Chromium 0.15-0.35
Zinc 0.10
Aluminum balance
Other Elements (each) 0.05
Other Elements (total) 0.15
* Maximum, unless range is indicated
Mechanical Properties
Mechanical property requirements for strain hardened and stabilized H32 temper (¼ hard) as specified in ASTM B209 and ASME SB209
Thickness (inch) Yield Strength Min. (ksi)

Tensile Strength (ksi)

Elongation (%) Bend Diameter
Min. Max. Min. Factor, N
0.017 – 0.019 23.0 31.0 38.0 4 0
0.020 – 0.050 23.0 31.0 38.0 5 1
0.051– 0.113 23.0 31.0 38.0 7 2
0.114 – 0.249 23.0 31.0 38.0 9 3
0.250 – 0.499 23.0 31.0 38.0 11 -
0.500 – 2.000 23.0 31.0 38.0 12 -

Mechanical property requirements for strain hardened and stabilized H34 temper (½ hard) as specified in ASTM B209 and ASME SB209

Thickness (inch) Yield Strength Min. (ksi)

Tensile Strength (ksi)

Elongation (%) Bend Diameter
Min. Max. Min. Factor, N
0.009 – 0.019 26.0 34.0 41.0 3 1
0.020 – 0.050 26.0 34.0 41.0 4 2
0.051– 0.113 26.0 34.0 41.0 6 3
0.114 – 0.249 26.0 34.0 41.0 7 4
0.250 – 1.000 26.0 34.0 41.0 10 -

Mechanical property requirements for strain hardened and stabilized H36 temper (¾ hard) as specified in ASTM B209 and ASME SB209

Thickness (inch) Yield Strength Min. (ksi)

Tensile Strength (ksi)

Elongation (%) Bend Diameter
Min. Max. Min. Factor, N
0.006 – 0.007 29.0 37.0 44.0 2 4
0.008 – 0.031 29.0 37.0 44.0 3 4
0.032– 0.162 29.0 37.0 44.0 4 5

Mechanical property requirements for strain hardened and stabilized H38 temper (full hard) as specified in ASTM B209 and ASME SB209

Thickness (inch) Yield Strength Min. (ksi)

Tensile Strength (ksi)

Elongation (%) Bend Diameter
Min. Min. Factor, N
0.006 – 0.007 32.0 39.0 2 -
0.008 – 0.031 32.0 39.0 3 -
0.032– 0.128 32.0 39.0 4 -
Physical Properties
Physical properties for Alloy 5052
Property 5052 Data
Density, lb/in3 0.0968
Modulus of Elasticity, psi 10.2 x 106
Coefficient of Thermal Expansion, 68-212˚F, /˚F 13.2 x 10-6
Thermal Conductivity, Btu/ft hr ˚F 80
Specific Heat, Btu/lb ˚F 0.21
Electrical Resistivity, Microohm-in 1.965
Standards
Typical standards for Alloy 5052
5052
ASTM B209
ASME SB209

Data are typical, are provided for informational purposes, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice. We make no representation or warranty as to its accuracy and assume no duty to update. Actual data on any particular product or material may vary from those shown herein.  © 2014 RMP Inc. All rights reserved.