UNI 1.4961 Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country/Standard: Italy / UNI

Data updates

Latest Update: 2024-05

Total number of updates: 12

Update History

2021-07 2021-04 2021-03 2020-12 2020-11 2020-03 2020-02 2018-08 2018-05 2016-08 2014-04

This material has 520 properties — only a subset is shown here.

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UNI 1.4961 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.04 – 0.10

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

15.0 – 17.0

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

≤ 1.50

UNIT

CAS NUMBER

7439-96-5

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

EN 10028-7: 2016 / Flat products made of steels for pressure purposes - Part 7: Stainless steels

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UNI 1.4961 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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Dynamic Modulus of Elasticity

val1 GPa

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Density

val1 kg/dm³

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Poisson Coefficient

val1

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Thermal Conductivity

16 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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Electrical Resistivity

0.78 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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This material has 520 properties — only a subset is shown here.

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UNI 1.4961 Heat Treatments

Hot working: 1150 - 850°C, air cooling. Annealing: 1050 - 1110°C, water or air cooling.
Solution annealed (+AT): 1050-1100°C (for guidance only), cooling sufficiently rapid in water or air.

UNI 1.4961 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Yield Strength, Rp0.2

200 MPa

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Yield Strength, Rp1

val1 MPa

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Tensile Strength

510 — 690 MPa

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Elongation, A

22 %

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Impact Energy

val1 J

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106 Cross References

32 Composition
89 Mechanical Properties
66 Physical Properties
2 Heat Treatment
- Metallography
- Machinability

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

4 Joints
- Coatings
136 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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