New Delivery for Titanium alloy 6Al-2Sn-4Zr-2Mo UNS R54620 for Czech Republic Factory

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HY Titanium 6-2-4-2 Material grades and equivalents

6Al-2Sn-4Zr-2Mo, 6-2-4-2 Titanium, 6-2-4-2, UNS R54620

Introduction

A near-alpha alloy, primarily used for high strength and toughness, with good creep resistance up to 1000°F. Forging and machining characteristics similar to those of Ti 6Al-4V. Applications include compressor components, hot airframe skin, and engine afterburner structures. The weld ability of Ti 6-2-4-2 is fair, using AMS 4952 weld wire. Several different treatments are available.

Chemistry Composition

Features

• Machinability similar to austenitic stainless steels
• Easily welded if proper precautions are taken to prevent oxygen, nitrogen and hydrogen contaminations
• Long term stability for temperatures up to 800°F

Applications

• Compressor discs, blades
• Airframe structure, skin
• Engine afterburner components
• Hush kits

Physical Properties

Density: 0.160 lb/in³

Beta Transus: 1825±25°F
Thermal Conductivity: 4.00 Btu • hr/ft² • hr°F
Coefficient of Thermal Expansion: 32-212°F 4.3 x10^-6 in/in°F
Modulus of Elasticity: 16.5×10⁶ psi

Mechanical Properties

Minimum Tensile Properties, AMS 4919, Duplex Annealed