DIN C35 Structural and constructional steels

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

Data updates

Latest Update: 2024-12
Total number of updates: 5
Update History
2019-06 2018-10 2018-09 2018-07

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DIN C35 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.3200 – 0.3900
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.5000 – 0.8000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.0450
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 1652-4: 1990 / Bright steel made from steel for quenching and tempering; technical delivery conditions

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DIN C35 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 211 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
val1
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Thermal Conductivity
42 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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DIN C35 Heat Treatments

  • Hardening: 840-880°C (Temperatures at the lower end of the range are generally used for water, and those at the upper end for oil quenching. Time for austenitizing as a guide: at least 30 min.);
    Quenching agent: Water or oil (Other quenching agents such as synthetic quenchants may also be used.);
    Tempering: 550-660°C (Time for tempering as a guide: at least 1h.);
    Normalizing: 860-900°C.
  • Annealing: 650-700°C; Normalizing: 860-890°C; Hardening in water: 840-870°C; Hardening in oil: 850-880°C; Tempering: 540-680°C

DIN C35 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
470 — 1000 MPa
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Elongation, A
5 %
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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)
143 — 207
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Grain Size
val1
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  • 418 Cross References
  • 92 Composition
  • 312 Mechanical Properties
  • 21 Physical Properties
  • 8 Heat Treatment
  • 7 Metallography
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  • 45 Formability
  • 12 Fatigue
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