DIN C70U Tool steels

Material group: Ferrous Alloys / Tool steels

Country/Standard: Germany / DIN

Data updates

Latest Update: 2023-10

Total number of updates: 1

Update History

This material has 242 properties — only a subset is shown here.

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DIN C70U Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.65 – 0.75

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

0.10 – 0.40

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

≤ 0.030

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 ISO 4957: 2018 / Tool steels

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DIN C70U Physical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Density

7.72 — 8 kg/dm³

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Poisson Coefficient

0.27 — 0.3

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This material has 242 properties — only a subset is shown here.

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DIN C70U Heat Treatments

Austenitized at 800 +/- 10°C and water quenched.
Tempered at 180 +/- 10°C.

DIN C70U Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Brinell Hardness (HB)

≤ 183

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Rockwell Hardness (HR)

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118 Cross References

5 Composition
9 Mechanical Properties
3 Physical Properties
4 Heat Treatment
- Metallography
- Machinability

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

- Joints
- Coatings
6 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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