PROPRIETARY 50CrMo4 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: PROPRIETARY
Indicative price:

Data updates

Latest Update: 2026-05
Total number of updates: 3
Update History
2020-02 2017-04

This material has 509 properties — only a subset is shown here.

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PROPRIETARY 50CrMo4 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.4600 – 0.5400
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.9000 – 1.2000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.5000 – 0.8000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

Duferco La Louviere SA, Product Data Sheets,

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PROPRIETARY 50CrMo4 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Electrical Resistivity
0.19 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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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
42 W/(m∙°C)
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Poisson Coefficient
val1
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This material has 509 properties — only a subset is shown here.

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PROPRIETARY 50CrMo4 Heat Treatments


  • Forging or hot rolling: 1050 - 850°C; Normalising: 850 - 880°C/air; Soft annealing: 680 - 720°C/furnace; Hardening: 820 - 860°C/oil; Tempering: 540 - 680°C
  • Hot-forming at 1100 to 850°C.
    Normalizing at 860°C, air.
    Quenching at 860°C, oil, polymer or Quenching at 840°C, water.
    Tempering at 540 to 680°C, air.
    Stress-relieving 50° under the temperature of tempering.
    Soft annealing at 720°C, air.
    Isothermal annealing at 790°C, furnace cooling to 660°C, then air.
    End quench hardenability at 850°C, water.
    Mechanical properties at different tempering temperatures obtained after quenching at 850°C in oil.

PROPRIETARY 50CrMo4 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
700 — 1620 MPa
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Brinell Hardness (HB)
213 — 448
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Elongation, A
≥ 5 %
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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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Impact Energy
val1
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J
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PROPRIETARY 50CrMo4 International Equivalent Materials


Showing 15 of 120 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AISI
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
AISI
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
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
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
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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  • 120Cross References

  • 31Composition
  • 224Mechanical Properties
  • 15Physical Properties
  • 7Heat Treatment
  • -Metallography
  • -Machinability

  • 43Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

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

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

  • 69Total Suppliers