Ti GR 9 / 3.7194

Alternative and trade names
Titanium Grade 9, Ti-3Al-2.5V, Ti3Al2.5V, Alloy Titanium 3AL- 2.5V, Titanium 3-2.5
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Description

Titanium Alloy ( 3AL/2.5V) Grade 9 is sometimes referred to as half Ti 6/4. It offers higher strengths than the commercially pure alloys , and is easier to form than the Ti 6AL/4V “work horse alloy”. Its main available form is seamless tubing used in the aircraft and leisure industries such as bicycle frames and golf clubs etc . Typically this alloy is supplied in two Conditions Annealed and CWSR ( Cold Worked & Stress Relieved)

Equivalent Materials

This material data has been provided by Hempel Special Metals.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

4.48 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

100 GPa

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Shear modulus

23.0 °C

44 GPa

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Thermal

PropertyValueComment

Melting point

1700 °C

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Chemical properties

PropertyValueComment

Aluminium

2.5 - 3.5 %

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Hydrogen

0.02 %

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Iron

0.25 %

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Nickel

0.03 %

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Nitrogen

0.05 %

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Other

0.04 %

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Oxygen

0.15 %

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Titanium

Balance

Vanadium

2 - 3 %

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Technological properties

Property
Application areas

Used in aircraft applications where strength is required but weight is a critical factor. Ti-3Al-2.5V is used in tubular form since it has proven to be much more malleable than Ti-6-4 and has useful properties for applications in hydraulic systems. Ti-3Al-2.5V titanium tubing can be cold worked by standard tube manufacturing processes or supplied in the annealed condition. Other applications include, bicycle and wheel chairs frames.

Corrosion properties

Excellent Resistance to pitting and crevice / erosion corrosion