Grade Ti-13V-2.7Al-7Sn-2Zr Alloy

Topics Covered

Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties


Grade Ti-13V-2.7Al-7Sn-2Zr is a martensitic alloy that has high hardenability and is heat treatable. This alloy has good fatigue properties, good fracture properties, good castability and weld repair. Ti-13V-2.7Al-7Sn-2Zr alloy is suitable for hot-working and cold-forming.

The following sections will discuss in detail about grade Ti-13V-2.7Al-7Sn-2Zr alloy.

Chemical Composition

The chemical composition of grade Ti-13V-2.7Al-7Sn-2Zr alloy is outlined in the following table.

Element Content (%)
Titanium, Ti 75
Vanadium, V 13
Tin, Sn 7
Aluminum, Al 2.7
Zirconium, Zr 2
Iron, Fe ≤ 0.20
Oxygen, O ≤ 0.15
Carbon, C ≤ 0.080
Nitrogen, N ≤ 0.050
Boron, B ≤ 0.030
Hydrogen, H ≤ 0.015
Yttrium, Y ≤ 0.0050
Other, each ≤ 0.10
Other, total ≤ 0.40

Physical Properties

The physical properties of grade Ti-13V-2.7Al-7Sn-2Zr alloy are tabulated below.

Properties Metric Imperial
Density 4.70 g/cm3 0.170 lb/in3

Mechanical Properties

The following table shows mechanical properties of grade Ti-13V-2.7Al-7Sn-2Zr alloy.

Properties Metric Imperial
Tensile strength 1210 MPa 175000 psi
Yield strength 1120 MPa 162000 psi
Poisson’s ratio 0.33 0.33
Elastic modulus 105 GPa 15200 ksi
Shear modulus 39.5 GPa 5730 ksi

Thermal Properties

The thermal properties of grade Ti-13V-2.7Al-7Sn-2Zr are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@0.000-100°C/32-212°F) 8.50 µm/m°C 4.72 µin/in°F
Thermal conductivity 7.80 W/mK 54.1 BTU in/hr.ft².°F

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