UNI X1NiCrMoCu25-20-5 Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country/Standard: Italy / UNI

Data updates

Latest Update: 2025-11

Total number of updates: 13

Update History

2025-10 2021-07 2020-10 2019-09 2019-05 2017-06 2016-10 2016-08 2016-04 2015-03 2015-02 2014-04

This material has 9011 properties — only a subset is shown here.

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UNI X1NiCrMoCu25-20-5 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.020

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

19.0 – 21.0

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

1.20 – 2.00

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 10088-3: 2023 / Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resistant steels for general purposes

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UNI X1NiCrMoCu25-20-5 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

180 — 215 GPa

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Shear Modulus

val1 GPa

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Density

val1 kg/dm³

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Poisson Coefficient

val1

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Thermal Conductivity

12 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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Electrical Resistivity

1 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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This material has 9011 properties — only a subset is shown here.

Unlock detailed physical values across temperatures and conditions.

UNI X1NiCrMoCu25-20-5 Heat Treatments

Solution annealed (+AT): 1100-1150°C (for guidance only), cooling sufficiently rapid in water or air.
Heated: 250-425°C (30 min. to 4 h), air cooling.

UNI X1NiCrMoCu25-20-5 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Yield Strength, Rp0.2

val1 MPa

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Yield Strength, Rp1

val1 MPa

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Tensile Strength

500 — 2100 MPa

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Elongation, A

15 %

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Impact Energy

val1 J

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Brinell Hardness (HB)

≤ 230

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292 Cross References

180 Composition
449 Mechanical Properties
41 Physical Properties
14 Heat Treatment
- Metallography
- Machinability

36 Stress-Strain
- Formability
- Fatigue
- Fracture
- Creep

26 Joints
- Coatings
159 Dimensions
- Tribology

7535 Corrosion
- Ageing
- Weatherability
- Irradiation

279 Total Suppliers