UNI X2CrNiMoCuN25-6-3 Stainless steels

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

Data updates

Latest Update: 2025-10
Total number of updates: 12
Update History

This material has 1105 properties — only a subset is shown here.

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UNI X2CrNiMoCuN25-6-3 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.030
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
24.0 – 26.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
1.00 – 2.50
UNIT
%
CAS NUMBER
7440-50-8
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
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

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

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UNI X2CrNiMoCuN25-6-3 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
val1
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kg/dm³
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Poisson Coefficient
val1
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Thermal Conductivity
15 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
0.8 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 1105 properties — only a subset is shown here.

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UNI X2CrNiMoCuN25-6-3 Heat Treatments

  • Hot formed: 1150 - 1000°C, cooled in air; Solution annealed (+AT): 1040 - 1120°C, cooled in water.
  • Hot forming: 1150 - 1000°C, air cooling. Annealing: 1040 - 1120°C, water or air cooling.

UNI X2CrNiMoCuN25-6-3 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
690 — 1050 MPa
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Elongation, A
20 %
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Impact Energy
val1
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J
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Brinell Hardness (HB)
≤ 310
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  • 517 Cross References
  • 110 Composition
  • 137 Mechanical Properties
  • 16 Physical Properties
  • 9 Heat Treatment
  • 3 Metallography
  • - Machinability
  • 20 Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • 24 Joints
  • - Coatings
  • 153 Dimensions
  • - Tribology
  • 2 Corrosion
  • - Ageing
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