PROPRIETARY Project 70+ 15Cr-5Ni Stainless Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2025-06

Total number of updates: 3

Update History

2022-03 2022-02

This material has 286 properties — only a subset is shown here.

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PROPRIETARY Project 70+ 15Cr-5Ni Stainless Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.07

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

14.00 – 15.50

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

2.50 – 4.50

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

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

7440-25-7

Carpenter Technology Corporation, Product Data Sheets,

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PROPRIETARY Project 70+ 15Cr-5Ni Stainless Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 215 GPa

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Electrical Resistivity

0.77 — 0.979 Ω∙mm²/m

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Density

val1 kg/dm³

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Electrical Conductivity

val1 S/m

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Poisson Coefficient

val1

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This material has 286 properties — only a subset is shown here.

Unlock detailed physical values across temperatures and conditions.

PROPRIETARY Project 70+ 15Cr-5Ni Stainless Heat Treatments

Usually supplied in the solution-treated condition (Condition A). It can be age hardened by heating solution-treated material to a temperature of 482°C (900°F) to 621°C (1150°F) for one to four hours, depending upon the desired mechanical properties, then air cooled to room temperature.
Solution Treatment (Condition A): heat at 1038 ± 14°C (1900°F ± 25°F) for 30 to 60 minutes, cool to below 32°C (90°F) so that the material is completely transformed to a martensitic microstructure. Sections 178 mm and under can be quenched in a suitable liquid quenchant.Sections over 178 mm should be rapidly air cooled.
Age: Condition H900 (Precipitation or Age Hardened) - heat solution-treated material at 482 ± 6°C (900 ± 10°F) for 1 hour and air cool. Condition H900-4 (Modified Condition H900/Precipitation or Age Hardened): heat solution-treated material at 482 ± 6°C (900 ± 10°F) for 4 hours and air cool. Conditions H925, H1025, H1075, H1100 and H1150 (Precipitation or Age Hardened): heat solution-treated material to 496°C (925°F), 552°C (1025°F), 579°C (1075°F), 593°C (1100°F) or 621°C (1150°F) ± 6°C (10°F) for four hours and air cool. Condition H1150M (Overaged): heat solution-treated material at 760 ± 6°C (1400 ± 10°F) for 2 hours, air cool to room temperature followed by reheating to 621 ± 6°C (1150 ± 10°F) for 4 hours air cool to room temperature. If the component is to be placed into service in some other age-hardened condition, material must be resolution annealed at 1038°C (1900°F).

PROPRIETARY Project 70+ 15Cr-5Ni Stainless Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

889 — 1358 MPa

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Elongation, A

12 — 23 %

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Impact Energy

val1 J

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Reduction of Area

val1 %

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Rockwell Hardness (HR)

val1

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Yield Strength, Rp0.2

613 — 1303 MPa

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5Cross References

12Composition
220Mechanical Properties
39Physical Properties
1Heat Treatment
-Metallography
-Machinability

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

-Joints
-Coatings
-Dimensions
-Tribology

8Corrosion
-Ageing
-Weatherability
-Irradiation

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