DIN 15NiCuMoNb5-6-4 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2022-08
Total number of updates: 4
Update History
2020-03 2017-09 2014-04

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DIN 15NiCuMoNb5-6-4 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.050
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.17
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
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
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 10216-2: 2024 / Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties

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DIN 15NiCuMoNb5-6-4 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 393 properties — only a subset is shown here.

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DIN 15NiCuMoNb5-6-4 Heat Treatments

  • Normalizing and tempering (+NT): 880-980°C, air cooling. Tempering: 580-680°C, air cooling. It may be necessary in the case of wall thickness T above 10 mm or T/D > 0.15 to apply quenching and tempering in order to achieve the intended structure and material properties.
  • Normalizing at 880-960°C; Austenitizing at 880-960°C; Tempering at 580-680°C; Stress-relieving for 1h at 600°C and for 2h at 590°C

DIN 15NiCuMoNb5-6-4 Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
410 MPa
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Tensile Strength
580 — 780 MPa
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Elongation, A
16 %
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Impact Energy
val1
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J
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  • 65 Cross References

  • 24 Composition
  • 79 Mechanical Properties
  • 3 Physical Properties
  • 4 Heat Treatment
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  • - Formability
  • - Fatigue
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  • 2 Creep

  • 25 Joints
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  • 141 Dimensions
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