PROPRIETARY 30CrNiMo8 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: 5
Update History
2022-04 2022-03 2020-06 2017-04

This material has 445 properties — only a subset is shown here.

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PROPRIETARY 30CrNiMo8 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.2600 – 0.3400
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.8000 – 2.2000
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
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

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PROPRIETARY 30CrNiMo8 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 213 GPa
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Electrical Resistivity
val1
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Ω∙mm²/m
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Density
val1
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kg/dm³
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Thermal Conductivity
val1
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W/(m∙°C)
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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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Poisson Coefficient
val1
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Shear Modulus
val1
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GPa
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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This material has 445 properties — only a subset is shown here.

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PROPRIETARY 30CrNiMo8 Heat Treatments

  • Hot-forming: 1050 - 880°C. Normalizing: 870 - 880°C, air cooling. Quenching: 830 - 860°C, oil or polymer cooling. Quenching: 850°C, water cooling. Tempering: 540 - 660°C, air cooling. Stress-relieving: 50°C under the temperature of tempering. Soft annealing: 650 - 700 cooling 10°C/h to 600°C, then air. End quench hardenability test: 850°C, water cooling. Mechanical properties at different tempering temperatures obtained after quenching at 850°C in oil.
  • Quenching: 830-860°C, in oil or water
    Tempering: 540-660°C, in air
    Annealing: 650-700°C. slowly (15 °C/h) until 600°C
    Stress relieve annealing: 450-650°C, in air
    Hot forging: 880-1050°C, in air

PROPRIETARY 30CrNiMo8 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
800 — 1683.9 MPa
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Brinell Hardness (HB)
240 — 426
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Elongation, A
≥ 7.9 %
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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 30CrNiMo8 International Equivalent Materials

Showing 15 of 78 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
30CrNiMo8
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
1.6580
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
30CrNiMo8
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
30CrNiMo8
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
1.6580
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
1.6580
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
30CrNiMo8
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
1.6580
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
30CrNiMo8
STANDARD
UNI
COUNTRY / PRODUCER
Italy
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
30CrNiMo8
STANDARD
BDS
COUNTRY / PRODUCER
Bulgaria
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
1.6580
STANDARD
BDS
COUNTRY / PRODUCER
Bulgaria
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
30CrNiMo8
STANDARD
CSN
COUNTRY / PRODUCER
Czech Republic
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
30CrNiMo8
STANDARD
NBN
COUNTRY / PRODUCER
Belgium
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
30CrNiMo8
STANDARD
NS
COUNTRY / PRODUCER
Norway
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
30CrNiMo8
STANDARD
UNE
COUNTRY / PRODUCER
Spain
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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  • 78Cross References
  • 41Composition
  • 171Mechanical Properties
  • 61Physical Properties
  • 7Heat Treatment
  • -Metallography
  • -Machinability
  • 29Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 58Total Suppliers