DIN 1.6772 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country/Standard: Germany / DIN

Data updates

Latest Update: 2023-05

Total number of updates: 11

Update History

2023-02 2022-08 2021-03 2020-06 2020-03 2020-02 2019-06 2018-10 2015-03 2014-07

This material has 170 properties — only a subset is shown here.

Unlock full material properties, including detailed values across temperatures and conditions.

DIN 1.6772 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.005 – 0.050

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

0.18 – 0.25

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

1.20 – 1.50

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

val1

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

WB 337: 2022 / Heat resistant steel 20 NiCrMo 14 5 I and 20 NiCrMo 14 5 II for nuts and bolts, material 1.6772

Looking for full material performance data?

DIN 1.6772 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

Unlock full details

Dynamic Modulus of Elasticity

val1 GPa

Unlock full details

Density

val1 kg/dm³

Unlock full details

Poisson Coefficient

val1

Unlock full details

Thermal Conductivity

29 — 32.9 W/(m∙°C)

Unlock full details

Heat Capacity

val1 J/(kg∙°C)

Unlock full details

Electrical Resistivity

0.317 Ω∙mm²/m

Unlock full details

Electrical Conductivity

val1 S/m

Unlock full details

This material has 170 properties — only a subset is shown here.

Unlock detailed physical values across temperatures and conditions.

DIN 1.6772 Heat Treatments

Quenched and tempered (I) - Hardened: 830 to 900°C, tempering in water or oil; Tempering: 520 to 600°C; Stress relieved: 430 to 470°C. Quenched and tempered (II) - Hardened: 830 to 900°C, tempering in water or oil; Tempering: 500 to 580°C; Stress relieved: 430 to 470°C.
Quenched and tempered (I) - Hardened: 840 to 900°C, tempering in water or oil; Tempering: 520 to 600°C; Stress relieved: 430 to 470°C. Quenched and tempered (II) - Hardened: 800 to 900°C, tempering in water or oil; Tempering: 500 to 580°C; Stress relieved: 430 to 470°C.

DIN 1.6772 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Yield Strength, Rp0.2

val1 MPa

Unlock full details

Tensile Strength

1040 — 1280 MPa

Unlock full details

Elongation, A

14 %

Unlock full details

Reduction of Area

val1 %

Unlock full details

Impact Strength

760 kJ/m²

Unlock full details

Impact Energy

val1 J

Unlock full details

Need complete mechanical properties to make the right choice?

Get complete data on strength, hardness, fatigue, and more.

Optimize material selection for your application - Book a Demo

2 Cross References

18 Composition
48 Mechanical Properties
88 Physical Properties
2 Heat Treatment
- Metallography
- Machinability

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

- Joints
- Coatings
- Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

6 Total Suppliers