DIN 1.6523 Structural and constructional steels

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

Data updates

Latest Update: 2025-02
Total number of updates: 11
Update History

This material has 822 properties — only a subset is shown here.

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DIN 1.6523 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.1700 – 0.2300
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.3500 – 0.7000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.6500 – 0.9500
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

DIN 1652-3: 1990 / Bright steel made from case hardening steel; technical delivery conditions

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DIN 1.6523 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Shear Modulus
80 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
val1
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This material has 822 properties — only a subset is shown here.

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DIN 1.6523 Heat Treatments

  • Blank hardening (cooling in oil): 880°C; End quench test: quench from 900°C Carburizing: 880-950°C; Core hardening: 860-900°C; Case hardening (cooling in oil): 800-840°C; Tempering: 150-200°C (as a guide, for 1 hour minimum)
  • Carburizing at 880 - 980°C. Core-hardening at 860 - 900°C, case hardening at 780 - 820°C, quenching. Tempering at 150 - 200°C.

DIN 1.6523 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
570 MPa
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Elongation, A
10.5 — 22.8 %
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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)
145 — 292
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Rockwell Hardness (HR)
val1
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Grain Size
val1
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  • 323 Cross References
  • 78 Composition
  • 159 Mechanical Properties
  • 6 Physical Properties
  • 19 Heat Treatment
  • 4 Metallography
  • - Machinability
  • 14 Stress-Strain
  • - Formability
  • 5 Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • 8 Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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