UNI X6CrNi25-20 Stainless steels

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

Data updates

Latest Update: 2020-11
Total number of updates: 6
Update History
2019-08 2018-05 2016-10 2016-08 2014-04

This material has 1093 properties — only a subset is shown here.

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UNI X6CrNi25-20 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.08
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
24.0 – 26.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 2
UNIT
%
CAS NUMBER
7439-96-5
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

UNI 6901: 1971 / Semi-finished products and hot-rolled or forged bars and rods of special alloyed stainless steel, resistant to corrosion and heat

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UNI X6CrNi25-20 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
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
0.85 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 1093 properties — only a subset is shown here.

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UNI X6CrNi25-20 Heat Treatments

  • Forging temperature: 1200-900°C; Quenched and Tempered: 1050-1100°C.
  • Hot formed: 1100 - 850°C, cooled in air; Solution annealed (+AT): 1050 - 1150°C, cooled in air or water.

UNI X6CrNi25-20 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Yield Strength, Rp1
val1
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MPa
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Tensile Strength
510 — 750 MPa
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Elongation, A
25 %
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Impact Energy
val1
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J
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Brinell Hardness (HB)
≤ 217
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Rockwell Hardness (HR)
val1
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  • 75 Composition
  • 212 Mechanical Properties
  • 53 Physical Properties
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