Aug 7 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Introduction
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 |