DIN 1.1231 Structural and constructional steels

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

Data updates

Latest Update: 2022-08
Total number of updates: 2
Update History
2021-12

This material has 501 properties — only a subset is shown here.

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DIN 1.1231 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.6500 – 0.7200
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.6000 – 0.9000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.0350
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 17222: 1979 / Cold Rolled Steel Strips for Springs; Technical Conditions of Delivery

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DIN 1.1231 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 501 properties — only a subset is shown here.

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DIN 1.1231 Heat Treatments

  • Austenitizing: 815-845°C, cooling in oil.
  • Soft annealing: 650-690°C; Hardening (quenching in oil): 815-845°C; Tempering: 300-500°C

DIN 1.1231 Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
≤ 510 MPa
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Tensile Strength
640 MPa
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Elongation, A
12 %
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Rockwell Hardness (HR)
val1
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Vickers Hardness (HV)
val1
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  • 206 Cross References

  • 23 Composition
  • 27 Mechanical Properties
  • 3 Physical Properties
  • 4 Heat Treatment
  • - Metallography
  • - Machinability

  • 30 Stress-Strain
  • 31 Formability
  • - Fatigue
  • - Fracture
  • - Creep

  • - Joints
  • - Coatings
  • - Dimensions
  • - Tribology

  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation

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