AISI 440 C Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: United States / AISI

Data updates

Latest Update: 2026-01
Total number of updates: 11
Update History

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AISI 440 C Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.10
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
17.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.50
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

SAE J 467b: 1968 / Special Purpose Alloys (ʺSuperalloysʺ)

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AISI 440 C Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Electrical Resistivity
0.61 Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Poisson Coefficient
val1
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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This material has 660 properties — only a subset is shown here.

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AISI 440 C Heat Treatments


  • Air quenching at min 1020°C ± 14°C (1875 ± 25°F).
  • Annealed, or hardened and tempered as specified. Liquid quenching shall be permitted only by agreement with the purchaser
    Heat treating at 1020°C ± 14°C (1875 ± 25°F) and quenching in the air (samples for testing shall be in the form of a section not exceeding 9.50 mm in thickness)
    It should be used by the purchaser in the hardened and tempered condition.

AISI 440 C Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 760 MPa
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Brinell Hardness (HB)
val1
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Elongation, A
val1
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%
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Impact Energy
val1
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J
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Reduction of Area
val1
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%
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
val1
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MPa
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AISI 440 C International Equivalent Materials


Showing 15 of 238 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
SEW
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
UNI
COUNTRY / PRODUCER
Italy
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
MSZ
COUNTRY / PRODUCER
Hungary
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official

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

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  • 238Cross References

  • 54Composition
  • 59Mechanical Properties
  • 45Physical Properties
  • 8Heat Treatment
  • 7Metallography
  • 1Machinability

  • 1Stress-Strain
  • -Formability
  • 2Fatigue
  • -Fracture
  • -Creep

  • 3Joints
  • -Coatings
  • 21Dimensions
  • 33Tribology

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

  • 188Total Suppliers