PROPRIETARY Temper Tough Alloy Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2016-01

Total number of updates: 3

Update History

2014-07 2014-06

This material has 64 properties — only a subset is shown here.

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PROPRIETARY Temper Tough Alloy Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.40

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

1.25

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.50

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

7440-02-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-62-2

Carpenter Technology Corporation, Product Data Sheets,

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PROPRIETARY Temper Tough Alloy Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Electrical Resistivity

0.18 Ω∙mm²/m

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Density

7.67 — 7.86 kg/dm³

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Electrical Conductivity

val1 S/m

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Poisson Coefficient

val1

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Shear Modulus

val1 GPa

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This material has 64 properties — only a subset is shown here.

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PROPRIETARY Temper Tough Alloy Heat Treatments

Normalizing: The normalizing treatment is 927°C (1700°F) for 1 hour followed by air cooling to room temperature. Suggested use of normalization is for grain conditioning of large forgings prior to annealing.
Annealing: Optimum softening for machining is obtained by following the normalizing treatment with annealing. Alloy is annealed using a 677°C (1250°F) treatment for 8 hours. The optimum annealed hardness of 35–40 HRC maximum is obtained following this anneal.
Austenitizing: The austenitizing treatment temperature range is 918°C ±14°C (1685°F ±25°F) for 1.5 hours. The austenitizing temperature must be monitored by a thermocouple attached to the load.
Quenching: Water quenching is not recommended. Temper Tough alloy should be air cooled or oil quenched to develop optimum properties.
Cold Treatment: Following cooling to room temperature, to obtain the full toughness capability, alloy should be cooled to -73°C (-100°F) and held at temperature for a minimum of 1 hour. The parts can then be air warmed to room temperature.
Tempering: The standard temper for alloy is 260°C (500°F) for 2 hours followed by air cooling to room temperature.

PROPRIETARY Temper Tough Alloy Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

1213 — 2023 MPa

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Brinell Hardness (HB)

≥ 302

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Elongation, A

12 — 13.3 %

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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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Impact Energy

val1 J

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PROPRIETARY Temper Tough Alloy International Equivalent Materials

Showing 2 of 3 results.

MATERIAL

STANDARD

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

MATERIAL

PremoMet Alloy

STANDARD

SAE

COUNTRY / PRODUCER

United States

EQUIVALENCE CATEGORY

Implicit

MATERIAL

PremoMet Alloy

STANDARD

PROPRIETARY

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

Implicit

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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3Cross References

9Composition
17Mechanical Properties
28Physical Properties
1Heat Treatment
-Metallography
-Machinability

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

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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