UNI X3CrTi17 Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country/Standard: Italy / UNI

Data updates

Latest Update: 2025-11

Total number of updates: 4

Update History

2020-03 2016-10 2014-04

This material has 713 properties — only a subset is shown here.

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UNI X3CrTi17 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.05

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

16.0 – 18.0

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

≤ 1.00

UNIT

CAS NUMBER

7439-96-5

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

EN 10088-1: 2023 / Stainless steels - Part 1: List of stainless steels

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UNI X3CrTi17 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 220 GPa

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Density

val1 kg/dm³

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Poisson Coefficient

val1

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Thermal Conductivity

25 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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Electrical Resistivity

0.6 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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This material has 713 properties — only a subset is shown here.

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UNI X3CrTi17 Heat Treatments

Hot forming: 1100 - 800°C, air cooling. Annealing: 770 - 830°C, air, water cooling.
Hot forming: 1100-800°C, air cooling;
+A - Annealing: 770-830°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.

UNI X3CrTi17 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Yield Strength, Rp0.2

230 MPa

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Tensile Strength

420 — 600 MPa

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Elongation, A

10 %

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Impact Energy

val1 J

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315 Cross References

49 Composition
54 Mechanical Properties
18 Physical Properties
3 Heat Treatment
- Metallography
- Machinability

13 Stress-Strain
- Formability
- Fatigue
- Fracture
- Creep

7 Joints
- Coatings
4 Dimensions
- Tribology

2 Corrosion
- Ageing
- Weatherability
- Irradiation

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