UNI 1.4971 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country/Standard: Italy / UNI

Data updates

Latest Update: 2020-12
Total number of updates: 7
Update History

This material has 251 properties — only a subset is shown here.

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UNI 1.4971 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.08 – 0.16
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
18.5 – 21.0
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
20.0 – 22.5
UNIT
%
CAS NUMBER
7440-47-3
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
CRITERIA
W
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-33-7

EN 10088-1: 2023 / Stainless steels - Part 1: List of stainless steels

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UNI 1.4971 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Dynamic Modulus of Elasticity
val1
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GPa
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Density
7.61 — 8.3 kg/dm³
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Poisson Coefficient
val1
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Thermal Conductivity
11.6 — 13 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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This material has 251 properties — only a subset is shown here.

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UNI 1.4971 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
300 MPa
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Tensile Strength
690 — 900 MPa
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Elongation, A
30 %
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  • 93 Cross References
  • 24 Composition
  • 31 Mechanical Properties
  • 42 Physical Properties
  • - Heat Treatment
  • - Metallography
  • - Machinability
  • 8 Stress-Strain
  • 8 Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • - Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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