GOST 40KHNM Cobalt Alloys

Material group: Nonferrous Alloys / Cobalt Alloys
Country / Standard: Russia / GOST

Data updates

Latest Update: 2025-07
Total number of updates: 2
Update History
2015-08

This material has 114 properties — only a subset is shown here.

Unlock full material properties, including detailed values across temperatures and conditions.

View Complete Material Data ›
Free registration required • Instant access

Free registration required • Instant access

GOST 40KHNM Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
39.0 – 42.0
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
18.5 – 21.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mn
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-21-3

GOST R 51397: 1999 / Strip and wire made ​​of special alloys for connectors and implantable components of products for cardiovascular surgery. General specifications

Looking for full material performance data?

View Complete Material Data ›
Free registration required • Instant access

Free registration required • Instant access

GOST 40KHNM Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
180 — 220 GPa
Unlock full details
Full data available with free access View Complete Material Data
Electrical Resistivity
0.9 — 1.1 Ω∙mm²/m
Unlock full details
Full data available with free access View Complete Material Data
Electrical Conductivity
909000 — 1.11e+006 S/m
Unlock full details
Full data available with free access View Complete Material Data
Coefficient of Thermal Expansion (CTE)
val1
Full data available with free access View Complete Material Data
10-6/°C
Unlock full details
Full data available with free access View Complete Material Data

This material has 114 properties — only a subset is shown here.

Unlock detailed physical values across temperatures and conditions.

View Complete Material Data ›
Free registration required • Instant access

Free registration required • Instant access

GOST 40KHNM Heat Treatments


  • Half hardened condition, Ageing: 450-550°C, holding 2-4h, air cooling. Hardened condition, Ageing: 400-500°C, holding 2-4h, air cooling. Extra hardened condition, Ageing: 350-450°C, holding 2-4h, air cooling.
  • Recommended heat treatment for half hardened, hardened and extra hardened condition: Ageing: 450-550°C, holding 2-4h, air cooling.

GOST 40KHNM Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
200 — 2650 MPa
Unlock full details
Full data available with free access View Complete Material Data
Elongation, A
1 — 8 %
Unlock full details
Full data available with free access View Complete Material Data
Yield Strength, Rp0.2
450 — 2350 MPa
Unlock full details
Full data available with free access View Complete Material Data

Need complete mechanical properties to make the right choice?

Get complete data on strength, hardness, fatigue, and more.

View Complete Material Data ›
Free registration required • Instant access

Free registration required • Instant access

Book A Demo

Optimize material selection for your application - Book A Demo

  • 26Cross References

  • 30Composition
  • 39Mechanical Properties
  • 9Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability

  • 5Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • 3Dimensions
  • -Tribology

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

  • -Total Suppliers