IS 21Cr4Mo2 Structural and constructional steels

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

Data updates

Latest Update: 2022-08
Total number of updates: 1
Update History

This material has 79 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

IS 21Cr4Mo2 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.02 – 0.05
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
B
VALUE
≤ 0.0003
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
≤ 0.26
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cr+Mo+Ni
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
CRITERIA
Cu
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Cu+10Sn
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
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
CRITERIA
Sn
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-31-5
CRITERIA
V
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-62-2

IS 4367: 1991 / Alloy steel forgings for general industrial use - Specification

Looking for full material performance data?

View Complete Material Data ›
Free registration required • Instant access

Free registration required • Instant access

IS 21Cr4Mo2 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
Unlock full details
Full data available with free access View Complete Material Data
Density
7.67 — 7.86 kg/dm³
Unlock full details
Full data available with free access View Complete Material Data
Poisson Coefficient
0.27 — 0.3
Unlock full details
Full data available with free access View Complete Material Data

This material has 79 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

IS 21Cr4Mo2 Heat Treatments

  • Quenched: 870°C ±5°C. Carburized: 890-940°C. Direct and single hardened: 810-840°C. Core hardened: 840-880°C. Case hardened: 780-820°C. Quenching media: oil, thermal bath, poly quench. Tempered: 180-220°C.

IS 21Cr4Mo2 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
550 — 1400 MPa
Unlock full details
Full data available with free access View Complete Material Data
Brinell Hardness (HB)
170 — 280
Unlock full details
Full data available with free access View Complete Material Data
Elongation, A
≥ 8 %
Unlock full details
Full data available with free access View Complete Material Data
Grain Size
val1
Full data available with free access View Complete Material Data
Unlock full details
Full data available with free access View Complete Material Data
Reduction of Area
val1
Full data available with free access View Complete Material Data
%
Unlock full details
Full data available with free access View Complete Material Data
Yield Strength, Rp0.2
val1
Full data available with free access View Complete Material Data
MPa
Unlock full details
Full data available with free access View Complete Material Data
Impact Energy
val1
Full data available with free access View Complete Material Data
J
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

  • 1Cross References
  • 27Composition
  • 47Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers