DIN 1.8201 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: 3

Update History

2022-04 2020-03

This material has 218 properties — only a subset is shown here.

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DIN 1.8201 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.030

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

0.0010 – 0.006

UNIT

CAS NUMBER

7440-42-8

CRITERIA

VALUE

0.04 – 0.10

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

val1

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

7727-37-9; 17778-88-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-03-1

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

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-32-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-62-2

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-33-7

EN 10216-2: 2024 / Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties

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DIN 1.8201 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Dynamic Modulus of Elasticity

208 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 218 properties — only a subset is shown here.

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DIN 1.8201 Heat Treatments

Normalizing and tempering (+NT): 1040-1080°C, air cooling. Tempering: 730-780°C, air cooling. It may be necessary in the case of wall thickness T above 16 mm or T/D > 0.15 to apply quenching and tempering in order to achieve the intended structure and material properties.
Hardening and tempering: Normalizing at 1040-1080°C; Tempering at 730-780°C;
Stress relief annealing after welding: 730-750°C, holding for 2 minutes/mm thickness, min. 120 minutes, cooling in air;
Stress relief annealing after cold forming: 650-750°C, 2 minutes/mm thickness, min. 120 minutes, cooling in air.
The holding time begins when the temperature is reached over the whole cross section;
The notes of the manufacturers of the welding consumables are to be considered when choosing the tempering temperature.

DIN 1.8201 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Yield Strength, Rp0.2

400 MPa

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Tensile Strength

510 — 740 MPa

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Elongation, A

18 %

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Impact Energy

val1 J

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Vickers Hardness (HV)

val1

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44 Cross References

14 Composition
36 Mechanical Properties
22 Physical Properties
2 Heat Treatment
- Metallography
- Machinability

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

3 Joints
- Coatings
56 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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