MIL I-46182 Cast irons

Material group: Ferrous Alloys / Cast irons
Country / Standard: United States / MIL

Data updates

Latest Update: 2020-11
Total number of updates: 2
Update History
2015-05

This material has 9 properties — only a subset is shown here.

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MIL I-46182 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
P
VALUE
≤ 0.0500
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
≤ 0.0500
UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
≤ 2.2000
UNIT
%
CAS NUMBER
7440-21-3

MIL-I-46182: 1982 / Iron castings, spheroidal graphite (extra tough)

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MIL I-46182 Heat Treatments

  • Heat casting to 889°C (1650°F), hold at this temperature for a minimum of two hours per inch of cross section, cool in furnace to 732 - 691°C (1350 - 1275°F) and hold this temperature for 15 to 24 hours; cool in furnace to below 371°C ( 700°F), the castings may then be cooled in air to room temperature.

MIL I-46182 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 379 MPa
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Brinell Hardness (HB)
≤ 175
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Elongation, A
≥ 20 %
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Yield Strength, Rp0.2
val1
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MPa
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  • -Cross References
  • 3Composition
  • 5Mechanical Properties
  • -Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers