DIN 1.0402 Structural and constructional steels

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

Data updates

Latest Update: 2025-08
Total number of updates: 4
Update History
2020-12 2019-06 2017-02

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DIN 1.0402 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.1800 – 0.2500
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.3000 – 0.6000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.0450
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

DIN 1652-4: 1990 / Bright steel made from steel for quenching and tempering; technical delivery conditions

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DIN 1.0402 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
val1
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kg/dm³
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Poisson Coefficient
val1
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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Thermal Conductivity
52 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
0.159 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 9709 properties — only a subset is shown here.

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DIN 1.0402 Heat Treatments

  • Annealing: 650-700°C; Normalizing: 880-910°C; Hardening in water: 860-890°C; Tempering: 540-680°C
  • Austenitizing (quenching in water): 860-900°C, t > 30 min. Tempering: 550-660°C, t > 60 min. Normalizing: 880-920°C, t > 30 min.

DIN 1.0402 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
380 — 700 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)
123 — 174
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  • 465 Cross References
  • 38 Composition
  • 164 Mechanical Properties
  • 17 Physical Properties
  • 5 Heat Treatment
  • - Metallography
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  • 22 Formability
  • 11 Fatigue
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