DIN 1.5530 Structural and constructional steels

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

Data updates

Latest Update: 2025-01
Total number of updates: 2
Update History
2021-12

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DIN 1.5530 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
B
VALUE
0.0008 – 0.0050
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.17 – 0.23
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
1.10 – 1.40
UNIT
%
CAS NUMBER
7439-96-5
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 10343: 2009 / Steels for quenching and tempering for construction purposes - Technical delivery conditions

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DIN 1.5530 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 604 properties — only a subset is shown here.

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DIN 1.5530 Heat Treatments

  • Austenitizing (quenching in water): 880-920°C, (at least 30 min). NOTE: The temperatures at the lower end of the range are generally applicable to hardening in water and those at the upper end for hardening in oil. Synthetic quenchants may also be used; Tempering: 400-600°C, (at least 60 min); End quench test: 900±5°C.
  • Hardening: 880-920°C; Quenching: Water; Tempering: 400-600 °C.

DIN 1.5530 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
430 MPa
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Tensile Strength
540 MPa
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Elongation, A
14 %
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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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Rockwell Hardness (HR)
val1
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Vickers Hardness (HV)
val1
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  • 253 Cross References
  • 26 Composition
  • 33 Mechanical Properties
  • 3 Physical Properties
  • 10 Heat Treatment
  • 3 Metallography
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