DIN 1.5680 Structural and constructional steels

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

Data updates

Latest Update: 2025-03
Total number of updates: 8
Update History

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DIN 1.5680 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cr+Cu+Mo
VALUE
≤ 0.50
UNIT
%
CAS NUMBER
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
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

EN 10222-3: 2017 / Steel forgings for pressure purposes - Part 3: Nickel steels with specified low temperature properties

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DIN 1.5680 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.9 kg/dm³
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Poisson Coefficient
val1
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Thermal Conductivity
29.288 W/(m∙°C)
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This material has 713 properties — only a subset is shown here.

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DIN 1.5680 Heat Treatments

  • (+N) Normalized: 800-850°C, cooled in air;
    (+NT) Normalized: 800-850°C, cooled in air, Tempered: 580-660°C, cooled in air or water;
    (+QT) Quenched: 800-850°C, cooled in oil or water, Tempered: 580-660°C, cooled in air or water.
  • (+N) Normalized: 800-850°C, cooled in air;
    (+NT) Normalized: 800-850°C, cooled in air; Tempered: 580-660°C.

DIN 1.5680 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
val1
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MPa
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Elongation, A
val1
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%
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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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  • 80 Cross References
  • 61 Composition
  • 270 Mechanical Properties
  • 10 Physical Properties
  • 10 Heat Treatment
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