23 Years Factory Titanium alloy 10V-2Fe-3Al UNS R56410 for Russia Factory

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HY Titanium 10-2-3 Material grades and equivalents

10-2-3 Titanium, UNS R56410

Introduction

HY Titanium 10-2-3 is a near beta alloy developed as a high strength forging alloy. This grade provides the best combination of strength and toughness of the commercially available titanium alloys. Its strength permits about a 27% weight savings when compared to Ti-6Al-4V. At the 180 ksi tensile strength level, the K1_cvalue is 40 ksi-in ½ minimum. Solution treated and aged material possesses excellent resistance to stress corrosion cracking, typically K1_scc being greater than 0.8 K1_c. Solution treated material should not be subject to long term exposure in the 500-800°F range. This could result in high strength but low ductility.

High strength condition: Solution treat 60-100°F below the beta transus (typically 1460-1480°F), not less than 30 minutes, water quench. Age 900-975°F not less than 8 hours, air cool. For lower strength, overage in the 950-1150°F range. This alloy is deep hardenable, capable of high strengths in sections up to approximately 4″ thick.

This grade is usually supplied as billet or bar, finish rolled or forged in the alpha-beta field. For the high strength condition, the forging is usually given a pre-form forge above the beta transus, followed by 15-25% reduction below the beta transus.

Chemistry Composition

Features

• High strength and toughness
• Weight savings when compared to Ti-6Al-4V
• Excellent resistance to stress corrosion cracking

Applications

• Hand and die forgings
• Aircraft landing gear
• Golf club driver faces

Physical Properties

Density: 0.168 lb/inch³
Nominal Beta Transus: 1470°F
Poisson’s ratio: 0.32
Thermal Expansion: 75-800°F, 5.4×10-6 in/in°F
Tensile Modulus: 15.9×106 psi
Modulus: 16.2×106 psi

* 70°F to indicated temperature.

Mechanical Properties

Minimum Mechanical Properties AMS 4984, solution treated and aged

AMS 4987, single solution heat treat & overage