PROPRIETARY Timetal 6-2-4-2 Titanium Alloys

Material group: Nonferrous Alloys / Titanium Alloys

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2023-06

Total number of updates: 3

Update History

2019-09 2017-09

This material has 4340 properties — only a subset is shown here.

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PROPRIETARY Timetal 6-2-4-2 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

5.50 – 6.50

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

≤ 0.08

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

≤ 0.25

UNIT

CAS NUMBER

7439-89-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

1333-74-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7727-37-9; 17778-88-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7782-44-7; 17778-80-2

CRITERIA

Other each

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

Other total

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-31-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-32-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-67-7

Titanium Metals Corporation - TIMET, Product Data Sheets,

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PROPRIETARY Timetal 6-2-4-2 Physical Properties

Temperature

0 - 30°C 30 - 100°C 100 - 300°C

PROPERTY / VALUE

Modulus of Elasticity

80 — 130 GPa

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Electrical Resistivity

1.85 — 1.9 Ω∙mm²/m

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Density

val1 kg/dm³

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Heat Capacity

val1 J/(kg∙°C)

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Melting Temperature

val1 °C

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Thermal Conductivity

6.92 W/(m∙°C)

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Electrical Conductivity

val1 S/m

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This material has 4340 properties — only a subset is shown here.

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PROPRIETARY Timetal 6-2-4-2 Heat Treatments

Forging: Rough: 1038-1066°C (1900-1950°F), Finish: 954-982°C (1750-1800°F)
Stress relief annealed: 482-649°C (900-1200°F), 1 - 4hrs, air cooled
Mill Annealed: 704-843°C (1300-1550°F), air cooled
Solution Treatment: 15-30°C (25-50°F) below beta transus, 1hr, water quenched
Aged: 538-593°C (1000-1100°F), 8hrs, air cooled

Heat treatments for sheet:
Duplex annealed (DA):
1st stage - 900°C (1650°F), air cooled
2nd stage - 785°C (1450°F), air cooled
Triplex Annealed (TA):
1st stage - 900°C (1650°F), 2 hrs, air cooled,
2nd stage - 785°C (1450°F), air cooled,
3rd stage - 595°C (1100°F), 2 hrs, air cooled

Heat treatments for bars and forgings:
Sections < 63.5 mm
Annealed - 955°C (1750°F), 1h, air cooled
Stabilization - 595°C (1100°F), 8h, air cooled
Sections > 63.5 mm
Annealed - 900°C (1650°F), 1h, air cooled
Stabilization - 595°C (1100°F), 8h, air cooled

Heat treated: 970°C (1778°F)/ 1h/ AC + 595°C (1100°F)/ 8h/ AC

PROPRIETARY Timetal 6-2-4-2 Mechanical Properties

Temperature

0 - 30°C ≥ 300°C

PROPERTY / VALUE

Tensile Strength

1004 — 1045 MPa

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Elongation, A

18 — 19 %

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Yield Strength, Rp0.2

val1 MPa

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Reduction of Area

val1 %

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-Cross References

13Composition
24Mechanical Properties
11Physical Properties
1Heat Treatment
1Metallography
-Machinability

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

-Joints
-Coatings
-Dimensions
-Tribology

4284Corrosion
-Ageing
-Weatherability
-Irradiation

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