IS 446S3 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: India / IS

Data updates

Latest Update: 2026-05
Total number of updates: 2
Update History
2022-09

This material has 127 properties — only a subset is shown here.

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IS 446S3 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.010
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
25.0 – 27.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.20
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Cu+Ni
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
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

IS 17876: 2022 / Stainless Steel Welded Pipes and Tubes for General Services-Specification

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IS 446S3 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
7.61 — 8.1 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 127 properties — only a subset is shown here.

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IS 446S3 Heat Treatments

  • Shall be supplied in heat treated condition, where the pipes/tubes are reheated to a temperature of 650°C and cooled as appropriate to meet the requirements of this specification.
  • Shall be supplied in heat treated condition, where the pipes/tubes are reheated to a temperature of 650°C and cooled as appropriate to meet the requirements of this specification.

IS 446S3 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 450 MPa
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Brinell Hardness (HB)
≤ 241
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Elongation, A
≥ 20 %
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Rockwell Hardness (HR)
val1
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Vickers Hardness (HV)
val1
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Yield Strength, Rp0.2
val1
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MPa
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IS 446S3 International Equivalent Materials

Showing 15 of 37 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
SA-240 S44627
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-479 Type XM-27
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-182 F XM-27Cb
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-276 XM-27
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-240 Type XM-27
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 240 Type XM-27
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 268 TPXM-27
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 176 Type XM-27
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SM-27
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 182 F XM-27Cb
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 959 Type XM-27
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 479 XM-27
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 240 S44627
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 268 S44627
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
XM-27
STANDARD
GOST
COUNTRY / PRODUCER
Russia
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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  • 37Cross References
  • 36Composition
  • 16Mechanical Properties
  • 3Physical Properties
  • 3Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • 1Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • 27Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 4Total Suppliers