DIN 1.8522 Structural and constructional steels

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

Data updates

Latest Update: 2026-02
Total number of updates: 4
Update History
2025-11 2016-04 2015-05

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DIN 1.8522 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.29 – 0.36
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
2.80 – 3.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.40 – 0.70
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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 10085: 2001 / Nitriding steels - Technical delivery conditions

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DIN 1.8522 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 290 properties — only a subset is shown here.

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DIN 1.8522 Heat Treatments

  • Soft annealing: 680-720°C; Hardening: 870-970°C (0,5 h minimum), oil or water cooling; Tempering: 580-700°C (1 h minimum); Nitriding: 480-570°C.
  • Hardened and tempered: heating within range 910-950°C, oil quenching; + heating ≥ 565°C.

DIN 1.8522 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
900 — 1350 MPa
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Elongation, A
10 %
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Impact Energy
val1
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J
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Brinell Hardness (HB)
248
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Grain Size
val1
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  • 133 Cross References
  • 29 Composition
  • 26 Mechanical Properties
  • 3 Physical Properties
  • 7 Heat Treatment
  • 4 Metallography
  • - Machinability
  • - Stress-Strain
  • - Formability
  • 5 Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • - Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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