EN X2CrMnNiN21-5-1 Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country/Standard: European Union / EN

Data updates

Latest Update: 2025-11

Total number of updates: 10

Update History

2024-12 2020-03 2019-09 2017-04 2016-10 2015-08 2015-03 2015-02 2015-01

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

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EN X2CrMnNiN21-5-1 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.040

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

21.0 – 22.0

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.10 – 0.80

UNIT

CAS NUMBER

7440-50-8

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

7440-02-0

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 10088-4: 2009 / Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes

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EN X2CrMnNiN21-5-1 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 215 GPa

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Density

val1 kg/dm³

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Poisson Coefficient

val1

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Thermal Conductivity

15 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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Electrical Resistivity

0.75 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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

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EN X2CrMnNiN21-5-1 Heat Treatments

Hot forming: 1100-900°C, air cooling; Solution annealing (+AT): 1020-1080°C, water or air cooling. If heat treatment is carried out in a continuous furnace, the upper part of the range specified should usually be preferred, or even exceeded.
Hot forming: 1100-900°C, air cooling;
+AT - Solution annealing: 1020-1080°C (If heat treatment is carried out in a continuous furnace, the upper part of the range specified should usually be preferred, or even exceeded), air or water cooling; Cooling sufficiently rapidly in order to avoid precipitation.

EN X2CrMnNiN21-5-1 Mechanical Properties

Temperature

≤ 0°C 0 - 30°C 30 - 100°C 100 - 300°C

PROPERTY / VALUE

Yield Strength, Rp0.2

val1 MPa

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Tensile Strength

650 — 1050 MPa

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Elongation, A

15 %

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Impact Energy

val1 J

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Brinell Hardness (HB)

≤ 290

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162 Cross References

80 Composition
130 Mechanical Properties
17 Physical Properties
6 Heat Treatment
- Metallography
- Machinability

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

14 Joints
- Coatings
17 Dimensions
- Tribology

2 Corrosion
- Ageing
- Weatherability
- Irradiation

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