DIN 1.8509 Structural and constructional steels

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

Data updates

Latest Update: 2022-09
Total number of updates: 3
Update History
2019-07 2016-04

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DIN 1.8509 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.80 – 1.20
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.38 – 0.45
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.50 – 1.80
UNIT
%
CAS NUMBER
7440-47-3
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
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 10085: 2001 / Nitriding steels - Technical delivery conditions

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DIN 1.8509 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 224 properties — only a subset is shown here.

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DIN 1.8509 Heat Treatments

  • Forged at 1050 to 850°C;
    Softening at 650 to 700°C;
    Hardening in oil at 880 to 920°C and Tempering at 570 to 650°C;
    Nitriding at 500 to 520°C;
  • Soft annealing: 650-750°C; Hardening: 870-930°C (0,5 h minimum), oil or water cooling; Tempering: 580-700°C (1 h minimum); Nitriding: 480-570°C.

DIN 1.8509 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
800 — 1150 MPa
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Elongation, A
11 %
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Impact Energy
val1
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J
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Brinell Hardness (HB)
≤ 262
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Vickers Hardness (HV)
val1
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  • 79 Cross References
  • 16 Composition
  • 28 Mechanical Properties
  • 10 Physical Properties
  • 10 Heat Treatment
  • 3 Metallography
  • - Machinability
  • 6 Stress-Strain
  • - Formability
  • 5 Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • - Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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