EN 1.4545 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country/Standard: European Union / EN

Data updates

Latest Update: 2024-12
Total number of updates: 4
Update History
2024-04 2023-02 2019-08

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EN 1.4545 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.07
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
14.0 – 15.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
2.5 – 4.5
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
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
Nb+Ta
VALUE
val1
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UNIT
%
CAS NUMBER
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 4842: 2023 / Aerospace series - X5CrNiCu15-5 (1.4545)- Consumable electrode remelted (ESR or VAR) - Solution treated and precipitation treated (H1025) - Bars for machining, a or D ≤ 250 mm, 1 070 MPa ≤ Rm ≤ 1 200 MPa - Premium quality (pq)

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EN 1.4545 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
7.61 — 8.1 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 317 properties — only a subset is shown here.

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EN 1.4545 Heat Treatments

  • Solution treated and precipitation treated:
    1025°C ≤ T ≤ 1050°C / t ≥ 30 min / AC or faster
    + cool to T ≤ 30°C ,
    + 540°C ≤ T ≤ 570°C / t ≥ 4 h / AC or faster
  • Heat treated (Type 1): Solution treated and precipitation treated: 1025-1055°C/t ≥ 30 min./AC or OQ + cool to θ ≤ 30°C + 565-595°C/t ≥ 4h / AC

    Heat treated (Type 2): Solution treated and precipitation treated: 1025-1055°C/t ≥ 30 min./AC or OQ + cool to θ ≤ 30°C + 465-495°C/t ≥ 1 h/AC

EN 1.4545 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
1070 — 1220 MPa
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Elongation, A
5 %
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Reduction of Area
val1
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%
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Impact Energy
val1
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J
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Brinell Hardness (HB)
311 — 444
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Rockwell Hardness (HR)
val1
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Vickers Hardness (HV)
val1
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Grain Size
val1
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  • 84 Cross References
  • 53 Composition
  • 88 Mechanical Properties
  • 3 Physical Properties
  • 5 Heat Treatment
  • 1 Metallography
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  • - Stress-Strain
  • 1 Formability
  • 1 Fatigue
  • 2 Fracture
  • - Creep
  • 1 Joints
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  • - Dimensions
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