UNI 1.4580 Stainless steels

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

Data updates

Latest Update: 2024-03
Total number of updates: 5
Update History
2021-07 2016-08 2015-02 2014-04

This material has 914 properties — only a subset is shown here.

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UNI 1.4580 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.08
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
16.5 – 18.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 2.00
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

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

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UNI 1.4580 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
0.75 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 914 properties — only a subset is shown here.

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UNI 1.4580 Heat Treatments

  • Hot formed: 1150 - 850°C, cooled in air; Solution annealed (+AT): 1020 - 1120°C, cooled in air or water.
  • Hot working (air cooling): 1150-850°C; +AT - Solution annealing (air or water cooling): 1020-1120°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.

UNI 1.4580 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 — 740 MPa
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Elongation, A
30 %
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Impact Energy
val1
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J
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Brinell Hardness (HB)
≤ 230
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