SAE 7050 Aluminium Alloys

Material group: Nonferrous Alloys / Aluminium Alloys

Country / Standard: United States / SAE

Indicative price:

Data updates

Latest Update: 2024-08

Total number of updates: 29

Update History

2023-11 2023-07 2023-05 2022-10 2021-07 2021-06 2021-04 2021-02 2021-01 2020-10 2020-09 2020-07 2019-04 2018-10 2018-06 2018-05 2018-02 2017-11 2017-04 2016-12 2016-11 2016-03 2015-11 2015-05 2015-04 2015-01 2014-08 2014-03

This material has 1911 properties — only a subset is shown here.

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SAE 7050 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

Remainder

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

≤ 0.04

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

2.0 – 2.6

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-89-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-95-4

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

Other each

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

Other total

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-32-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-66-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-67-7

SAE AMS 4341H: 2024 / Aluminum Alloy, Extrusions 6.2Zn - 2.3Cu - 2.2Mg - 0.12Zr (7050-T73511) Solution Heat Treated, Stress Relieved by Stretching, Straightened, and Overaged

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SAE 7050 Physical Properties

Temperature

0 - 30°C 30 - 100°C 100 - 300°C

PROPERTY / VALUE

Compression Modulus

72 — 74 GPa

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Modulus of Elasticity

69 — 79 GPa

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Density

val1 kg/dm³

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Thermal Conductivity

val1 W/(m∙°C)

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Electrical Resistivity

≤ 0.0466 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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Poisson Coefficient

val1

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Shear Modulus

val1 GPa

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This material has 1911 properties — only a subset is shown here.

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SAE 7050 Heat Treatments

Overaging heat treatment: recommended practice is heating to 121°C ± 3 (250°F ± 5), holding at heat for not less than 4 hours, further heating to 174°C ± 6 (345°F ± 10), holding at heat for not less than 8 hours, and cooling in air.
Solution heat treating at 471°C for forgings. Solution heat treating at 477°C for all others ), (to avoid stress corrosion cracking of thick 7049 parts, delay between quenching and start of aging should not exceed 72h); (solution heat treat temperatures as low as 466°C may be used to control recrystallization and surface cracking problems); (eutectic melting may occur at the specified temperature if the raw material was not properly homogenized or worked).
Solution heat treating soaking times and maximum quench delay times is on specifications.
Limits for quenching in polymer solutions for sheets, plates, bars: for thickness 2.03 mm polymer concentration is 40% max (±2); for thickness 6.35 mm polymer concentration is 34% max (±2); for thickness 9.52 mm polymer concentration is 28% max (±2); for thickness 12.70 mm polymer concentration is 22% max (±2); for thickness 25.40 mm polymer concentration is 16% max (±2). Limits for quenching in polymer solutions for forgings: for thickness 25.40 mm polymer concentration is 28-32% max (±2); for thickness 50.80 mm polymer concentration is 24-28% max (±2); for thickness 76.20 mm polymer concentration is 18-22% max (±2); for thickness 101.50 mm polymer concentration is 13-17% max (±2). Limits for quenching in polymer solutions for extrusions: for thickness 6.35 mm polymer concentration is 28% max (±2); for thickness 9.52 mm polymer concentration is 22% max (±2).
Aging treatment is mandatory. For rivets: Starting temper is AQ or W, final temper is T73 (sometimes used to designate final tempers), 1st step: aging at 121°C for 4min, 2nd step: aging at 179°C for 8min. For plates, extruded bars and shapes: Starting temper is AQ or W, final temper is T73 (sometimes used to designate final tempers), 1st step: aging at 121°C for 6-8h, 2nd step: aging at 177°C for 11.5-12.5h. For plates: Starting temper is AQ or W, final temper is T76 (sometimes used to designate final tempers), 1st step: aging at 121°C for 6-8h, 2nd step: aging at 177°C for 6.5-7h. For all forms, except plates, extruded bars and shapes: Starting temper is AQ or W, final temper is T76 (sometimes used to designate final tempers), 1st step: aging at 121°C for 6-8h, 2nd step: aging at 177°C for 3.5-4.5h. For all forms: Starting temper is AQ or W, final temper is T74 (sometimes used to designate final tempers), 1st step: aging at 121°C for 6-8h, 2nd step: aging at 177°C for 6-8h.
Full anneal: At 399-427°C, soaking time is minimum 2h (soak times listed are for up to 13 mm maximum thickness. Add 0.5 hour for each additional 13 mm of product or nested stack thickness or fraction thereof over 13 mm), cooling in furnace (furnace cool at 28°C degrees per hour maximum, to 232°C, hold at 232°C for 6 hours, furnace or air cool to room temperature). Stress relief: At 333-349°C, soaking time is minimum 2h (soak times listed are for up to 13 mm maximum thickness. Add 0.5 hour for each additional 13 mm of product or nested stack thickness or fraction thereof over 13 mm), cooling in air.

SAE 7050 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

≥ 71 MPa

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Brinell Hardness (HB)

≥ 135

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Compression Yield Strength

val1 MPa

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Elongation, A

≥ 1.5 %

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Yield Strength, Rp0.2

val1 MPa

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SAE 7050 International Equivalent Materials

Showing 15 of 143 results.

MATERIAL

STANDARD

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

MATERIAL

A97050

STANDARD

UNS

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Official

MATERIAL

7050

STANDARD

COUNTRY / PRODUCER

China

EQUIVALENCE CATEGORY

Official

MATERIAL

7050

STANDARD

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

EN AW-7050

STANDARD

COUNTRY / PRODUCER

European Union

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

EN AW-AlZn6CuMgZr

STANDARD

COUNTRY / PRODUCER

European Union

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

3.4144

STANDARD

COUNTRY / PRODUCER

Germany

EQUIVALENCE CATEGORY

Official

MATERIAL

B 247 7050

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

B 316 7050

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

AlZn6CuMgZr

STANDARD

ISO

COUNTRY / PRODUCER

International

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

7050

STANDARD

ISO

COUNTRY / PRODUCER

International

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

A 7050 BE

STANDARD

JIS

COUNTRY / PRODUCER

Japan

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

A 7050T

STANDARD

JIS

COUNTRY / PRODUCER

Japan

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

7050

STANDARD

JIS

COUNTRY / PRODUCER

Japan

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

A 7050 FD

STANDARD

JIS

COUNTRY / PRODUCER

Japan

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

A 7050 FH

STANDARD

JIS

COUNTRY / PRODUCER

Japan

EQUIVALENCE CATEGORY

Composition 100%

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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See all 143 equivalent grades with detailed mapping by standard, producer and equivalence category.

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143Cross References

108Composition
883Mechanical Properties
81Physical Properties
5Heat Treatment
2Metallography
-Machinability

389Stress-Strain
27Formability
113Fatigue
99Fracture
2Creep

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
10Ageing
-Weatherability
-Irradiation

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