AISI 4037 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: United States / AISI
Indicative price:

Data updates

Latest Update: 2025-10
Total number of updates: 6
Update History
2020-11 2019-08 2019-05 2018-05 2016-03

This material has 332 properties — only a subset is shown here.

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AISI 4037 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.020 – 0.050
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.35 – 0.40
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

SAE AMS 6300J: 2025 / Steel Bars, Forgings and Forging Stock 0.25Mo (0.35 - 0.40C) (SAE 4037) Aircraft Quality

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AISI 4037 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 332 properties — only a subset is shown here.

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AISI 4037 Heat Treatments


  • Annealed: 815-855°C; Hardened: 830-855°C, quenching in water or oil.
  • Normalizing: 871-927°C (1600-1700°F), air quenched. Annealing: 829-857°C (1525-1575°F). Furnace cool to 538°C (1000°F) or below. Recommended subcritical anneal temperature is 677°C (1250°F).
    Austenitizing: 829-857°C (1525-1575°F). Medium for quenching: oil, water, polymer.

AISI 4037 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 610 MPa
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Brinell Hardness (HB)
174 — 241
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Elongation, A
≥ 10 %
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Grain Size
val1
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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 4037 International Equivalent Materials


Showing 15 of 75 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
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
AISI
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
NMX
COUNTRY / PRODUCER
Mexico
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%

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

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  • 75Cross References

  • 64Composition
  • 13Mechanical Properties
  • 3Physical Properties
  • 7Heat Treatment
  • 4Metallography
  • 1Machinability

  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • 12Creep

  • -Joints
  • -Coatings
  • 105Dimensions
  • -Tribology

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

  • 48Total Suppliers