PROPRIETARY ATI 13-8 Alloy Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2022-11

Total number of updates: 3

Update History

2021-10 2016-12

This material has 119 properties — only a subset is shown here.

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PROPRIETARY ATI 13-8 Alloy Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.90 – 1.35

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

≤ 0.05

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

12.25 – 13.25

UNIT

CAS NUMBER

7440-47-3

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

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

Allegheny Technologies Incorporated, Product Data Sheets,

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PROPRIETARY ATI 13-8 Alloy 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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Melting Temperature

val1 °C

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Poisson Coefficient

val1

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This material has 119 properties — only a subset is shown here.

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PROPRIETARY ATI 13-8 Alloy Heat Treatments

Solution heat treated (Condition A) from 910 to 940°C (1675 to 1725°F) for 15 to 30 minutes. Air cool or oil quench to below 15°C (60°F) to effect complete transformation to martensite. Aging is normally carried out from 510 to 620°C (950 to 1150°F), depending upon the desired final properties. Heat treatment is usually performed in air. Heat treatment of brazed components may be done in inert atmospheres.
Condition H 950: 510°C ± 5°C (950°F ± 10°F), for 4h ± 0.25h.
Condition H 1000: 540°C ± 5°C (1000°F ± 10°F), for 4h ± 0.25h.
Condition H 1025: 550°C ± 5°C (1025°F ± 10°F), for 4h ± 0.25h.
Condition H 1050: 565°C ± 5°C (1050°F ± 10°F), for 4h ± 0.25h.
Condition H 1100: 595°C ± 5°C (1100°F ± 10°F), for 4h ± 0.25h.
Condtition H 1150: 620°C ± 5°C (1150°F ± 10°F), for 4h ± 0.25h.

PROPRIETARY ATI 13-8 Alloy Mechanical Properties

Temperature

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

PROPERTY / VALUE

Tensile Strength

≥ 931 MPa

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Elongation, A

val1 %

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Yield Strength, Rp0.2

val1 MPa

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Reduction of Area

val1 %

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Rockwell Hardness (HR)

val1

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23Cross References

10Composition
66Mechanical Properties
18Physical Properties
1Heat Treatment
-Metallography
-Machinability

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

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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