IS 25C8 Structural and constructional steels

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

Data updates

Latest Update: 2026-03
Total number of updates: 7
Update History

This material has 586 properties — only a subset is shown here.

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IS 25C8 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.20 – 0.30
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.60 – 0.90
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.035
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 1875: 2025 / Steel Ingots, Billets, Blooms, Slabs, and Bars for Forging - Specification

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IS 25C8 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 586 properties — only a subset is shown here.

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IS 25C8 Heat Treatments


  • Annealed: 870-900°C. Subcritical annealed: 630-700°C. Normalized: 870-900°C. Hardened: 870-900°C. Tempered: max. 660°C.
  • Normalized: 880-910°C.

IS 25C8 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
340 — 700 MPa
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Brinell Hardness (HB)
130 — 187
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Elongation, A
≥ 14 %
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Grain Size
val1
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mm
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Reduction of Area
val1
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%
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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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IS 25C8 International Equivalent Materials


Showing 15 of 207 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
GOST
COUNTRY / PRODUCER
Russia
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AISI
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
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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  • 207Cross References

  • 79Composition
  • 103Mechanical Properties
  • 3Physical Properties
  • 4Heat Treatment
  • -Metallography
  • -Machinability

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

  • -Joints
  • -Coatings
  • 26Dimensions
  • -Tribology

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

  • 164Total Suppliers