PROPRIETARY CBS-600 VIM-VAR Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2025-03

Total number of updates: 2

Update History

2023-04

This material has 134 properties — only a subset is shown here.

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PROPRIETARY CBS-600 VIM-VAR Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.0600

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

≤ 0.1900

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

≤ 1.4500

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

Timken Steel Corporation, Product Data Sheets,

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PROPRIETARY CBS-600 VIM-VAR 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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Thermal Conductivity

val1 W/(m∙°C)

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Density

val1 kg/dm³

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Heat Capacity

val1 J/(kg∙°C)

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Service Temperature

val1 °C

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Shear Modulus

val1 GPa

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Poisson Coefficient

val1

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This material has 134 properties — only a subset is shown here.

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PROPRIETARY CBS-600 VIM-VAR Heat Treatments

Subcritical annealing: Temper at 705°C (1300°F) for 2 hours per 25.4 mm of thickness, then air cool to room temperature.
Double quench practice for producing duplex core structure for maximum toughness:
- Preoxidize: Heating at 954°C (1750°F) for 30 minutes in air and air cool. It is not needed when carburized in vacuum furnace.
- Carburize: 899-954°C (1650-1750°F)
- Quench: Oil quench whenever section permits. Thin parts which might distort excessively if oil quenched, may be cooled to black heat in the protective atmosphere of the furnace vestibule, then in air to room temperature. Do not slow cool in furnace.
- Conditioning: 593-649°C (1100-1200°F) for 4 hours
- Austenitize: 843-857°C (1550-1575°F)
-Quench: in oil
-Cold treatment: Not ordinarily required
- Double temper: 316°C (600°F) for 2+2 hours.
Double quench practice to produce 100% martensite in core:
- Preoxidize: Heating at 954°C (1750°F) for 30 minutes in air and air cool. It is not needed when carburized in vacuum furnace.
- Carburize: 899-954°C (1650-1750°F)
- Quench: Oil quench whenever section permits. Thin parts which might distort excessively if oil quenched, may be cooled to black heat in the protective atmosphere of the furnace vestibule, then in air to room temperature. Do not slow cool in furnace.
- Conditioning: 593-649°C (1100-1200°F) for 4 hours
- Austenitize: 899-913°C (1650-1675°F)
-Quench: in oil
-Cold treatment: -79°C (-110°F) for 2 hours within 4 hours. If cold treatment cannot be started within 4 hours temper parts at 149°C (300°F), then follow with cold treatment when convenient.
- Double temper: 316°C (600°F) for 2+2 hours.
Direct quench practices
- Preoxidize: 954°C (1750°F) for 30 min in air. Not needed when carburized in vacuum furnace.
- Carburize/Austenitize: 899 – 954°C (1650 – 1750°F) to 1% carbon max.
- Direct quench: Oil quench to room temperature
- Delayed quench: Cool to 829 – 857°C (1525 – 1575°F) then oil quench to room temperature
- Cold treatment: -79°C (-110°F) for 2 hours within 4 hours. If cold treatment cannot be started within 4 hours temper parts at 149°C (300°F), then follow with cold treatment when convenient.
- Double temper: 316°C (600°F) for 2 + 2 hours.

PROPRIETARY CBS-600 VIM-VAR Mechanical Properties

Temperature

0 - 30°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Tensile Strength

1515 MPa

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Brinell Hardness (HB)

val1

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Elongation, A

val1 %

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Reduction of Area

val1 %

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Yield Strength, Rp0.2

val1 MPa

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1Cross References

12Composition
41Mechanical Properties
75Physical Properties
1Heat Treatment
-Metallography
-Machinability

2Stress-Strain
-Formability
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