SS 1.4549 Stainless steels

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

Data updates

Latest Update: 2024-03
Total number of updates: 3
Update History
2022-10 2020-03

This material has 709 properties — only a subset is shown here.

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SS 1.4549 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.06
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
15.5 – 16.7
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
2.8 – 3.5
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
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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 3484: 2019 / Aerospace series - Steel X5CrNiCuNb16-4 (1.4549 type 1.4542) - As cast - Reference heat treatment: homogenised, solution treated, precipitation hardened and sub zero - Remelting stock

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SS 1.4549 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
16 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
0.71 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 709 properties — only a subset is shown here.

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SS 1.4549 Heat Treatments

  • Homogenised, solution treated, precipitation hardened and sub zero:
    1150°C; ≥ 90 minutes; air cooled or oil quenched.
    1040°C; ≥ 60 minutes; air cooled or oil quenched.
    480°C; ≥ 4 h; air cooled.
    -70°C; ≥ 60 minutes.

SS 1.4549 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
1240 MPa
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Elongation, A
5 %
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Brinell Hardness (HB)
363
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Rockwell Hardness (HR)
val1
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