SS X1CrNiSi18-15-4 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country/Standard: Sweden / SS

Data updates

Latest Update: 2021-10
Total number of updates: 5
Update History
2020-03 2016-10 2015-02 2014-04

This material has 373 properties — only a subset is shown here.

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SS X1CrNiSi18-15-4 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.015
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
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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SS X1CrNiSi18-15-4 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
val1
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Thermal Conductivity
14 W/(m∙°C)
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This material has 373 properties — only a subset is shown here.

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SS X1CrNiSi18-15-4 Heat Treatments

  • Hot formed: 1150 - 900°C, cooled in air; Solution annealed (+AT): 1100 - 1160°C, cooled in air or water.
  • Hot forming: 1150-850°C, air cooling.
    AT - Solution annealing: 1100-1160°C, air or water cooling.

SS X1CrNiSi18-15-4 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
530 — 730 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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  • 91 Cross References
  • 54 Composition
  • 117 Mechanical Properties
  • 12 Physical Properties
  • 5 Heat Treatment
  • - Metallography
  • - Machinability
  • 8 Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • 2 Joints
  • - Coatings
  • 17 Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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