IS 10C4 Structural and constructional steels

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

Data updates

Latest Update: 2026-03
Total number of updates: 4
Update History
2023-04 2022-08 2013-12

This material has 379 properties — only a subset is shown here.

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IS 10C4 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.30 – 0.60
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.045
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

IS 4432: 1994 / Case hardening steels

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IS 10C4 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 379 properties — only a subset is shown here.

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IS 10C4 Heat Treatments

  • Carburized: 900-940°C. Direct and single hardened: 830-860°C. Core hardened: 880-900°C. Case hardened: 780-820°C. Quenching media: water, thermal bath at 140-220°C. Tempered: 150-180°C.

IS 10C4 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
320 — 800 MPa
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Elongation, A
11 %
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Reduction of Area
val1
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%
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Impact Energy
val1
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J
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Brinell Hardness (HB)
90 — 145
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  • 162 Cross References
  • 42 Composition
  • 41 Mechanical Properties
  • 3 Physical Properties
  • 1 Heat Treatment
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