DIN 1.7258 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country/Standard: Germany / DIN

Data updates

Latest Update: 2025-04

Total number of updates: 28

Update History

2024-03 2024-02 2023-12 2023-11 2023-09 2023-05 2023-04 2022-07 2022-05 2022-04 2022-03 2022-01 2021-11 2021-08 2021-07 2021-05 2021-04 2020-06 2020-04 2020-03 2020-02 2018-07 2017-10 2017-01 2016-07 2016-04 2015-04

This material has 383 properties — only a subset is shown here.

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DIN 1.7258 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.20 – 0.28

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

0.90 – 1.20

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.50 – 0.80

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

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

DIN 17240: 1976 / Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications

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DIN 1.7258 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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Density

7.67 — 7.86 kg/dm³

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Poisson Coefficient

val1

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Thermal Conductivity

33 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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This material has 383 properties — only a subset is shown here.

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DIN 1.7258 Heat Treatments

Hot forming: 1100-850°C;
Hardening, quenching or solution annealing (cooling in oil or air): 900-950°C;
Tempering or age hardening or precipitation hardening: 650-710°C; min. 2h
Stress relieving annealing: 550-620°C.

DIN 1.7258 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Yield Strength, Rp0.2

400 MPa

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Tensile Strength

600 — 800 MPa

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Elongation, A

12 %

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Reduction of Area

val1 %

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Impact Energy

val1 J

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124 Cross References

15 Composition
64 Mechanical Properties
21 Physical Properties
1 Heat Treatment
- Metallography
- Machinability

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

22 Joints
- Coatings
- Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

123 Total Suppliers