SAE AZ92A Magnesium Alloys

Material group: Nonferrous Alloys / Magnesium Alloys

Country / Standard: United States / SAE

Data updates

Latest Update: 2022-03

Total number of updates: 14

Update History

2021-07 2021-02 2021-01 2020-11 2019-10 2019-04 2019-03 2019-02 2018-09 2018-03 2016-12 2014-06 2013-12

This material has 363 properties — only a subset is shown here.

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SAE AZ92A Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

8.3 – 9.7

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

≤ 0.25

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

Remainder

UNIT

CAS NUMBER

7439-95-4

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-02-0

CRITERIA

Other total

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-66-6

SAE J465: 2018 / Magnesium casting alloys

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SAE AZ92A Physical Properties

Temperature

≤ 0°C 0 - 30°C 30 - 100°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Compression Modulus

45 GPa

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Modulus of Elasticity

44.8 — 45 GPa

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Electrical Resistivity

val1 Ω∙mm²/m

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Density

val1 kg/dm³

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Electrical Conductivity

val1 S/m

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Heat Capacity

val1 J/(kg∙°C)

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Melting Temperature

val1 °C

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Service Temperature

val1 °C

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Thermal Conductivity

val1 W/(m∙°C)

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Poisson Coefficient

val1

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Shear Modulus

val1 GPa

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Coefficient of Thermal Expansion (CTE)

val1 10^-6/°C

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This material has 363 properties — only a subset is shown here.

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SAE AZ92A Heat Treatments

Solution heat treatment
Alloy type 1: Heated at 760-775°F (404-413°C). Recommended soaking time is 16-24 hours.
Alloy type 2 (contains calcium): Heated at 770-785°F (410-418°C). Recommended soaking time is 14-22 hours.
Incremental steps or a uniform heating rate shall be used to prevent eutectic melting which can irreversibly damage castings. A protective atmosphere containing sufficient sulfur dioxide, carbon dioxide, or satisfactory oxidation inhibitor shall be used when solution heat treating at or above 750°F (399°C). Soaking time starts when all temperature control sensing elements are within 10°F (6°C) of the set or offset temperature. Heavy section castings, t ≥ 25.4 mm, may require longer soaking time than indicated.
Parts should be quenched after being soaked at the solution heat treating temperature. During the quench, the quenchant temperature shall not rise more than 25°F (14°C).
Aging (precipitation heat treatment)
Temper T5 - artificial aging from the as-cast (F) condition. Heated for 5 hours at 450°F (232°C) or 4 hours at 500°F (260°C).
Temper T6 - artificial aging from the solution heat treated (T4) temper:
Alloy type 1: Heated for 5 hours at 425°F (218°C) or 16 hours at 335°F (168°C).
Alloy type 2 (contains calcium): Heated for 5 hours at 425°F (218°C) or 16 hours at 400°F (204°C) or 20 hours at 350°F (177°C). Protective atmosphere is not required.
Rework solution heat treatment
Heated at 765°F (407°C). Recommended soaking time is half an hour (for type 1 and type 2).

SAE AZ92A Mechanical Properties

Temperature

≤ 0°C 0 - 30°C 30 - 100°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Tensile Strength

≥ 117 MPa

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Brinell Hardness (HB)

val1

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Elongation, A

val1 %

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Yield Strength, Rp0.2

val1 MPa

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Compression Yield Strength

val1 MPa

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Rockwell Hardness (HR)

val1

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SAE AZ92A International Equivalent Materials

Showing 12 of 13 results.

MATERIAL

STANDARD

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

MATERIAL

MCIn 3

STANDARD

JIS

COUNTRY / PRODUCER

Japan

EQUIVALENCE CATEGORY

Official

MATERIAL

500

STANDARD

SAE

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Official

MATERIAL

B 199 AZ92A

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

B 403 AZ92A

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

B 80 AZ92A

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

M11920

STANDARD

UNS

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Official

MATERIAL

B 93 AZ92A

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

B 951 AZ92A

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

B 275 AZ92A

STANDARD

ASTM

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

MC3

STANDARD

JIS

COUNTRY / PRODUCER

Japan

EQUIVALENCE CATEGORY

Implicit

MATERIAL

AZ92A

STANDARD

MIL

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

AZ92A

STANDARD

PROPRIETARY

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

Implicit

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 13 equivalent grades with detailed mapping by standard, producer and equivalence category.

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13Cross References

35Composition
117Mechanical Properties
86Physical Properties
1Heat Treatment
-Metallography
-Machinability

30Stress-Strain
-Formability
45Fatigue
-Fracture
3Creep

3Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
29Ageing
-Weatherability
-Irradiation

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