Grade 18 Ti 3Al 2.5V 0.05Pd Alloy (UNS R56322)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties

Introduction

Titanium alloys have excellent corrosion resistance and very high tensile strength and toughness. These are also light weight and their properties are not affected to a large extent even at elevated temperatures. The durability of these alloys makes them profitable for several industries.

The following sections will discuss in detail about grade 18 Ti 3Al 2.5V 0.05Pd alloy.

Chemical Composition

The chemical composition of grade 18 Ti 3Al 2.5V 0.05Pd alloy is outlined in the following table.

Element Content (%)
Titanium, Ti 92.595 - 95.16
Aluminum, Al 2.5 - 3.5
Vanadium, V 2.3 - 3.0
Iron, Fe ≤ 0.25
Oxygen, O ≤ 0.15
Carbon, C ≤ 0.080
Palladium, Pd 0.040 - 0.080
Nitrogen, N ≤ 0.030
Hydrogen, H ≤ 0.015
Other, each ≤ 0.050
Other, total ≤ 0.30

Physical Properties

The physical properties of grade 18 Ti 3Al 2.5V 0.05Pd alloy are tabulated below.

Properties Metric Imperial
Density 4.50 g/cm3 0.163 lb/in3

Mechanical Properties

The following table shows mechanical properties of grade 18 Ti 3Al 2.5V 0.05Pd alloy.

Properties Metric Imperial
Tensile strength 621 - 740 MPa 90100 - 107000 psi
Yield strength 483 - 607 MPa 70100 - 88000 psi
Elastic modulus 91.0 - 107 GPa 13200 - 15500 ksi
Elongation at break 15 - 17 % 15 - 17 %
Hardness, Rockwell C 15 15

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