DIN 17Cr3 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country/Standard: Germany / DIN

Data updates

Latest Update: 2025-02

Total number of updates: 9

Update History

2024-03 2022-04 2021-11 2020-05 2019-06 2018-10 2018-01 2015-04

This material has 541 properties — only a subset is shown here.

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DIN 17Cr3 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.14 – 0.20

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

0.70 – 1.00

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.60 – 0.90

UNIT

CAS NUMBER

7439-96-5

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 10132-2: 2000 / Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 2: Case hardening steels

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DIN 17Cr3 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 541 properties — only a subset is shown here.

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DIN 17Cr3 Heat Treatments

End quench test austenitizing at 880 ± 5°C (Time for austenitizing as a guide: 30 min minimum);

Carburizing at 880-980°C (The carburizing temperature depends on the chemical composition of the steel, the mass of the product and the carburizing medium. If the steels are direct hardened, in general, a temperature of 950°C is not exceeded. For special procedures, for example under vacuum, higher temperatures (for example 1020-1050°C) are not unusual);

Direct and simple hardening at 820-860°C (The kind of quenching agent depends on, for example the shape of the products, the cooling conditions and the amount of furnace filling. If the steels are direct hardened and if there is a danger of distortion, they should be quenched from a temperature between the core-hardening and case-hardening temperatures);

Double hardening: Core-hardening at 860-900°C and Case-hardening at 780-820°C;

Tempering at 150-200°C (Time for tempering as a guide: 1h minimum).
End quench test: Quench from 880°C Carburizing: 880 to 980°C; NOTE: If steels are direct hardened, in general, a carburizing temperature of 950°C is not exceeded. For special procedures, for example under vacuum, higher temperatures (for example 1020 to 1050°C) are not unusual. Core hardening: 860 to 900°C; Case hardening: 780 to 820°C; Tempering: 150 to 200°C (as a guide, for 1 hour minimum).

DIN 17Cr3 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Yield Strength, Rp0.2

val1 MPa

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Tensile Strength

500 MPa

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Elongation, A

21 %

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Reduction of Area

val1 %

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Brinell Hardness (HB)

140 — 187

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Rockwell Hardness (HR)

val1

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Vickers Hardness (HV)

val1

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Grain Size

val1

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246 Cross References

52 Composition
47 Mechanical Properties
3 Physical Properties
11 Heat Treatment
4 Metallography
- Machinability

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

- Joints
- Coatings
- Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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