PROPRIETARY Carpenter Stainless Type 440B Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2022-03

Total number of updates: 2

Update History

2022-02

This material has 59 properties — only a subset is shown here.

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PROPRIETARY Carpenter Stainless Type 440B Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.75 – 0.95

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

16.00 – 18.00

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

Balance

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

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

Carpenter Technology Corporation, Product Data Sheets,

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PROPRIETARY Carpenter Stainless Type 440B Physical Properties

Temperature

0 - 30°C 30 - 100°C 100 - 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 215 GPa

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Electrical Resistivity

0.6 Ω∙mm²/m

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Density

7.61 — 8.1 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 59 properties — only a subset is shown here.

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PROPRIETARY Carpenter Stainless Type 440B Heat Treatments

Annealing: For maximum softness, this steel should be heated uniformly to 843/871°C (1550/1600°F). Soak and cool very slowly in the furnace. Brinell approximately 223. Intermediate or process annealing treatment-heat uniformly to 732/760°C (1350/1400°F). Air cool. Brinell hardness approximately 241.
Hardening: heat to 1010/1066°C (1850/1950°F); soak; quench in warm oil or cool in air.
Tempering: temper at least one hour at 149/177°C (300/350°F).

PROPRIETARY Carpenter Stainless Type 440B Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

1931 MPa

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Brinell Hardness (HB)

534

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Elongation, A

3 %

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Reduction of Area

val1 %

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Rockwell Hardness (HR)

val1

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Yield Strength, Rp0.2

val1 MPa

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24Cross References

8Composition
11Mechanical Properties
8Physical Properties
1Heat Treatment
-Metallography
-Machinability

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

-Joints
-Coatings
-Dimensions
-Tribology

6Corrosion
-Ageing
-Weatherability
-Irradiation

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