DIN 41CrS4 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: 6

Update History

2019-06 2018-09 2018-08 2018-01 2017-08

This material has 845 properties — only a subset is shown here.

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DIN 41CrS4 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.38 – 0.45

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

0.90 – 1.20

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.60 – 0.90

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

EN 10277-5: 2008 / Bright steel products - Technical delivery conditions - Part 5: Steels for quenching and tempering

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DIN 41CrS4 Physical Properties

Temperature

0 - 30°C 30 - 100°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Shear Modulus

val1 GPa

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Density

val1 kg/dm³

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Poisson Coefficient

val1

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Thermal Conductivity

46 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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Electrical Resistivity

0.19 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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This material has 845 properties — only a subset is shown here.

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DIN 41CrS4 Heat Treatments

Austenitizing (quenching in oil or water): 820-860°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: 540-680°C, (at least 60 min); End quench test: 850±5°C.
Austenitizing (quenching in water or oil): 820-860°C, t > 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: 540-680°C, t > 60 min. A mandatory end quench test shall be carried out at 850+/- 5°C.

DIN 41CrS4 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Yield Strength, Rp0.2

val1 MPa

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Tensile Strength

600 MPa

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Elongation, A

8 %

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Reduction of Area

val1 %

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Impact Energy

val1 J

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Brinell Hardness (HB)

≤ 295

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Rockwell Hardness (HR)

val1

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Grain Size

val1

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298 Cross References

58 Composition
229 Mechanical Properties
26 Physical Properties
13 Heat Treatment
- Metallography
- Machinability

44 Stress-Strain
- Formability
5 Fatigue
- Fracture
- Creep

- Joints
- Coatings
46 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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