DIN 1.1223 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

2020-05 2019-06 2018-09 2018-08

This material has 916 properties — only a subset is shown here.

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DIN 1.1223 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.5700 – 0.6500

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

0.6000 – 0.9000

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 1.1223 Physical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Density

7.67 — 7.86 kg/dm³

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Poisson Coefficient

0.27 — 0.3

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This material has 916 properties — only a subset is shown here.

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DIN 1.1223 Heat Treatments

Austenitizing (quenching in water or oil): 800-840°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: 550-660°C, t > 60 min. A mandatory end quench test shall be carried out at 830+/- 5°C. Normalizing: 820-860°C, t > 30 min.
Austenitizing (at least 30 min), quenching in oil or water: 810-850°C (the temperatures at the lower end of the range are generally applicable to quenching in water and those at the upper end for quenching in oil), other quenching agents such as synthetic quenchants may also be used; Tempering: 550-660°C (at least 60 min); End quench test: 830 (±5°C); Normalizing: 820-880°C, austenitizing (at least 30 min).

DIN 1.1223 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Yield Strength, Rp0.2

val1 MPa

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Tensile Strength

650 — 1150 MPa

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Elongation, A

4 %

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Reduction of Area

val1 %

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Brinell Hardness (HB)

196 — 278

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Grain Size

val1

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336 Cross References

62 Composition
276 Mechanical Properties
3 Physical Properties
8 Heat Treatment
- Metallography
- Machinability

- Stress-Strain
- Formability
10 Fatigue
- Fracture
- Creep

- Joints
- Coatings
6 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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