Grade Ti-15Mo-5Zr Alloy

Aug 7 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications

Introduction

Grade Ti-15Mo-5Zr alloy is a metastable beta alloy that is known to have good corrosion resistance, good cold formability, and good age hardenability. The following sections will discuss grade Ti-15Mo-5Zr alloy in detail.

Chemical Composition

The chemical composition of grade Ti-15Mo-5Zr alloy is outlined in the following table.

Element Content (%)
Titanium, Ti 80
Molybdenum, Mo 15
Zirconium, Zr 5
Iron, Fe ≤ 0.35
Oxygen, O ≤ 0.20
Nitrogen, N ≤ 0.050
Hydrogen, H ≤ 0.020

Physical Properties

The physical properties of grade Ti-15Mo-5Zr alloy are tabulated below.

Properties Metric Imperial
Density 5.06 g/cm3 0.183 lb/in3

Mechanical Properties

The following table shows mechanical properties of grade Ti-15Mo-5Zr alloy.

Properties Metric Imperial
Tensile strength 960 MPa 139000 psi
Yield strength 920 MPa 133000 psi
Poisson’s ratio 0.33 0.33
Elastic modulus 78.0 GPa 11300 ksi
Elongation at break 25% 25%
Hardness, Vickers 280 280

Thermal Properties

The thermal properties of grade Ti-15Mo-5Zr alloy 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 7.50 W/mK 52 BTU in/hr.ft².°F

Applications

Grade Ti-15Mo-5Zr alloy is used in the following application areas:

  • Chemical processing equipment
  • Overlay for steam turbine blades

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