SAE 7725 Class 4 Type 2 Tungsten Alloys

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

Data updates

Latest Update: 2016-08
Total number of updates: 1
Update History

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SAE 7725 Class 4 Type 2 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
W
VALUE
97
UNIT
%
CAS NUMBER
7440-33-7

SAE AMS 7725F: 2020 / Tungsten Heavy Alloy Shapes, Sintered, High Density

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SAE 7725 Class 4 Type 2 Physical Properties


Temperature

PROPERTY / VALUE
Density
18.25 — 18.85 kg/dm³
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SAE 7725 Class 4 Type 2 Heat Treatments


  • Parts shall be subjected to post sintering annealing heat treatment in accordance with the following: Vacuum or inert gas heat treat. Gas, if used, shall meet the requirements of AWS C5.10. Vacuum level shall be 10-4 Torr or lower. Ramp to 1200 ± 14°C (2192 ± 25°F), hold at temperature for 5 - 15 hours. Forced fan cool using nitrogen, helium, or argon gas. Parts shall be cooled to 500°C (932°F) within 5 minutes maximum. Parts shall be processed on ceramic racks/boats. Contact with carbon based fixture or rack is not permitted.

SAE 7725 Class 4 Type 2 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 689 MPa
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Elongation, A
≥ 2 %
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
≥ 517 MPa
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SAE 7725 Class 4 Type 2 International Equivalent Materials


Showing 9 of 24 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
MIL
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
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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  • 24Cross References

  • 1Composition
  • 4Mechanical Properties
  • 1Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

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

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

  • 9Total Suppliers