EN X12CrNiCoMoW21-20 Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country/Standard: European Union / EN

Data updates

Latest Update: 2022-04

Total number of updates: 3

Update History

2020-05 2013-12

This material has 258 properties — only a subset is shown here.

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EN X12CrNiCoMoW21-20 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.0800 – 0.1600

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

18.5000 – 21.0000

UNIT

CAS NUMBER

7440-48-4

CRITERIA

VALUE

20.0000 – 22.5000

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-89-6

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

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

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-33-7

EN 4263: 2013 / Aerospace series - Heat resisting alloy FE-PA4901 (X12CrNiCoMoW21-20) - As forged - Forging stock - a or D ≤ 200 mm - 690 MPa ≤ Rm ≤ 960 MPa

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EN X12CrNiCoMoW21-20 Physical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 215 GPa

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Density

7.61 — 8.1 kg/dm³

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Poisson Coefficient

0.27 — 0.3

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This material has 258 properties — only a subset is shown here.

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EN X12CrNiCoMoW21-20 Heat Treatments

Delivery condition:
Solution treated: 1100°C ≤ θ ≤ 1180°C/t = 1 h/WQ
Used condition:
Solution treated and precipitation treated: Delivery condition + θ = 815°C ± 15°C/t ≥ 4 h/AC
Solution treated and precipitation treated
1100°C ≤ q 1180°C/t = 1 h/WQ
+ q = 815°C ± 15°C/t ≥ 4 h/AC

EN X12CrNiCoMoW21-20 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Yield Strength, Rp0.2

val1 MPa

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Tensile Strength

690 — 960 MPa

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Elongation, A

30 %

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Brinell Hardness (HB)

192 — 247

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Vickers Hardness (HV)

val1

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Grain Size

val1

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92 Cross References

112 Composition
41 Mechanical Properties
3 Physical Properties
8 Heat Treatment
- Metallography
- Machinability

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

- Joints
- Coatings
- Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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