DIN 1.1181 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country/Standard: Germany / DIN

Data updates

Latest Update: 2025-03

Total number of updates: 16

Update History

2024-12 2024-08 2024-07 2024-05 2022-08 2021-12 2019-06 2019-01 2018-09 2018-08 2018-07 2017-10 2016-05 2015-04 2014-04

This material has 2617 properties — only a subset is shown here.

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DIN 1.1181 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.3200 – 0.3900

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

0.5000 – 0.8000

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

≤ 0.0350

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

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 1.1181 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 211 GPa

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Shear Modulus

val1 GPa

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Dynamic Modulus of Elasticity

val1 GPa

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Density

val1 kg/dm³

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Poisson Coefficient

val1

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Thermal Conductivity

42 — 50 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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Electrical Resistivity

0.12 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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This material has 2617 properties — only a subset is shown here.

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DIN 1.1181 Heat Treatments

(+N) Normalized: 860-900°C, cooled in air;
(+QT) Quenched: 840-880°C, cooled in oil or water, Tempered: 550-660°C.
Annealed (+A): 650-700°C Normalized (+N): 860-900°C Austenitized: 840-880°C Tempered: 550-680°C

DIN 1.1181 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Yield Strength, Rp0.2

val1 MPa

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Tensile Strength

440 — 1403 MPa

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Elongation, A

5 %

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Reduction of Area

val1 %

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Impact Energy

val1 J

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Brinell Hardness (HB)

143 — 207

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Rockwell Hardness (HR)

val1

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Vickers Hardness (HV)

val1

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Grain Size

val1

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785 Cross References

139 Composition
637 Mechanical Properties
74 Physical Properties
19 Heat Treatment
4 Metallography
- Machinability

170 Stress-Strain
17 Formability
10 Fatigue
- Fracture
1 Creep

- Joints
- Coatings
173 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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