DIN C55E Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country/Standard: Germany / DIN

Data updates

Latest Update: 2022-08

Total number of updates: 6

Update History

2021-12 2019-06 2019-02 2018-10 2017-08

This material has 1282 properties — only a subset is shown here.

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DIN C55E Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.52 – 0.60

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

≤ 0.40

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.60 – 0.90

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-02-0

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 10132-3: 2000 / Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 3: Steels for quenching and tempering

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DIN C55E Physical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Shear Modulus

79 GPa

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Density

7.67 — 7.86 kg/dm³

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Poisson Coefficient

val1

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This material has 1282 properties — only a subset is shown here.

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DIN C55E Heat Treatments

Hardening: 805-845°C (Temperatures at the lower end of the range are generally used for water, and those at the upper end for oil quenching; Time for austenitizing as a guide: at least 30 min.);
Quenching agent: Oil or water (Other quenching agents such as synthetic quenchants may also be used.);
Tempering: 550-660°C (Time for tempering as a guide: at least 1h.);
End quench test austenitizing: 830 ± 5°C (Time for austenitizing as a guide: 30-35 min.);
Normalizing: 825-865°C.
Austenitizing (quenching in water or oil): 805-845°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: 825-865°C, t > 30 min.

DIN C55E Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Yield Strength, Rp0.2

val1 MPa

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Tensile Strength

590 — 1700 MPa

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Elongation, A

8 %

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Reduction of Area

val1 %

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Brinell Hardness (HB)

≤ 255

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Rockwell Hardness (HR)

val1

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Vickers Hardness (HV)

val1

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607 Cross References

55 Composition
129 Mechanical Properties
6 Physical Properties
11 Heat Treatment
3 Metallography
- Machinability

32 Stress-Strain
- Formability
11 Fatigue
- Fracture
- Creep

- Joints
- Coatings
4 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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