UNI X55CrMo14 Stainless steels

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

Data updates

Latest Update: 2020-03
Total number of updates: 3
Update History
2015-03 2015-01

This material has 238 properties — only a subset is shown here.

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UNI X55CrMo14 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.48 – 0.60
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
13.0 – 15.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.00
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

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

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UNI X55CrMo14 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
30 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
0.62 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 238 properties — only a subset is shown here.

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UNI X55CrMo14 Heat Treatments

  • Hot working (slowly cooling): 1100-800°C
    +A - Annealing (furnace or air cooling): 750-850°C

    Hot formed conditions:
    1U - Hot formed, not heat treated, not descaled.
    1C - Hot formed, heat treated, not descaled.
    1E - Hot formed, heat treated, mechanically descaled.
    1D - Hot formed, heat treated, pickled, coated (optional).
    1X - Hot formed, heat treated, rough machined.
    1G - Hot formed, heat treated, descaled, rough machined or shaved in the case of rod.
    Cold processed conditions:
    2H - Finishes 1E, 1D or 1X, cold processed, coated (optional).
    2D - Finish 2H, heat treated, pickled and skin- passed (optional), coated (optional).
    2B - Finishes 1E, 1D or 1X, cold processed, mechanically smoothed.
    2G - Finishes 2H, 2D or 2B, centreless ground, mechanically smoothed (optional).
    P - Finishes 2H, 2D, 2B or 2G, specular polishing.
  • Hot forming: 1100-800°C, slow cooling.
    A - Annealing: 750-830°C;
    QT - Quenching: 1000-1100°C, air or oil cooling; Tempering: 200-350°C

UNI X55CrMo14 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≤ 950 MPa
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Elongation, A
12 %
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Brinell Hardness (HB)
≤ 280
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Rockwell Hardness (HR)
val1
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Vickers Hardness (HV)
val1
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  • 93 Cross References
  • 24 Composition
  • 12 Mechanical Properties
  • 17 Physical Properties
  • 2 Heat Treatment
  • - Metallography
  • - Machinability
  • - Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • 4 Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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