SAE EQ21 Magnesium Alloys

Material group: Nonferrous Alloys / Magnesium Alloys
Country / Standard: United States / SAE

Data updates

Latest Update: 2022-09
Total number of updates: 2
Update History
2018-05

This material has 38 properties — only a subset is shown here.

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SAE EQ21 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Ag
VALUE
1.3 – 1.7
UNIT
%
CAS NUMBER
7440-22-4
CRITERIA
Cu
VALUE
0.05 – 0.10
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mg
VALUE
Remainder
UNIT
%
CAS NUMBER
7439-95-4
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
Other total
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Rare Earths (RE)
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Zr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-67-7

SAE AMS 4417C: 2018 / Castings, Sand, Magnesium Alloy 1.5Ag - 2.1Di - 0.08Cu - 0.70Zr (EQ21 - T6) Solution and Precipitation Heat Treated

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SAE EQ21 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
45 GPa
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Density
≥ 1.8 kg/dm³
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Heat Capacity
1000 J/(kg∙°C)
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This material has 38 properties — only a subset is shown here.

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SAE EQ21 Heat Treatments


  • Castings, integrally-cast coupons, and separately-cast tensile specimens shall be heated to a temperature not exceeding 524 °C (975 °F) and held at heat for the proper time for solution heat treatment and quenched as required, reheated to a temperature between 193 to 204 °C (380 to 400 °F) and held at heat for the proper time for precipitation heat treatment; at least one set of tensile specimens shall, during each stage of heat treatment, be put into a batch-type furnace with each load of castings or into a continuous furnace at intervals of not longer than 3 hours.

SAE EQ21 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 193 MPa
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Brinell Hardness (HB)
62 — 85
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Elongation, A
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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SAE EQ21 International Equivalent Materials


Showing 8 of 8 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
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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  • 8Cross References

  • 7Composition
  • 16Mechanical Properties
  • 5Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

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