DIN 1.7380 Cast steels

Material group: Ferrous Alloys / Cast steels, Ferrous Alloys / Structural and constructional steels

Country/Standard: Germany / DIN

Data updates

Latest Update: 2025-08

Total number of updates: 14

Update History

2025-07 2025-05 2024-08 2022-08 2022-01 2020-05 2020-02 2018-12 2018-08 2017-05 2016-02 2014-06 2014-04

This material has 1372 properties — only a subset is shown here.

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DIN 1.7380 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

The Al content of the cast shall be determined and given in the inspection document.

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

0.08 – 0.14

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

2.00 – 2.50

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7727-37-9; 17778-88-0

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 10273: 2016 / Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties

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DIN 1.7380 Physical Properties

Temperature

≤ 0°C 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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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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Coefficient of Thermal Expansion (CTE)

val1 10^-6/°C

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Thermal Conductivity

33 — 50 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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Electrical Resistivity

0.18 — 0.298 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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This material has 1372 properties — only a subset is shown here.

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DIN 1.7380 Heat Treatments

Hardened at 930-970°C
Tempered at ≥ 700°C
Stress relief annealed at ≥ 660°C. This temperature must be at least 20°C below the tempering temperature and must not be below the specified minimum value
Austenitized: 920 - 980°C; Tempered: 650 - 750°C.

DIN 1.7380 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Yield Strength, Rp0.2

240 MPa

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Tensile Strength

430 — 735 MPa

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Elongation, A

17 %

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Impact Energy

val1 J

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232 Cross References

93 Composition
388 Mechanical Properties
113 Physical Properties
14 Heat Treatment
4 Metallography
- Machinability

44 Stress-Strain
- Formability
38 Fatigue
- Fracture
3 Creep

66 Joints
- Coatings
187 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

190 Total Suppliers