Ti 3Al-8V-6Cr-4Mo-4Zr (Grade 19 βc | UNS R58640)
Material Overview
Titanium grade 19 Ti-38644 is a high-performance alloy used extensively in aerospace components, commercial applications, and high-strength components. It has excellent corrosion resistance and high strength-to-weight ratio, making it perfect for applications requiring both attributes.
The alloy consists primarily of titanium, with small additions of molybdenum, nickel, and chromium. This combination offers exceptional weldability and stability at elevated temperatures. Additionally, it exhibits superior resistance to pitting, crevice corrosion, and stress corrosion cracking. Titanium grade 19 Ti-38644 is an ideal choice for critical applications in hostile environments where strength, durability, and reliability are essential.
Availability
Technical Data
Chemical Composition (%)
Aluminum (Al)
3.0 - 4.0
Vanadium (V)
7.5 - 8.5
(Cr)
5.5 - 6.5
(Mo)
3.5 - 4.5
(Zr)
3.5 - 4.5
Nitrogen (N)
<0.03
Carbon (C)
<0.05
Hydrogen (H)
<0.02
Iron (Fe)
<0.35
Oxygen (O)
<0.12
Other, Each
<0.10
Other, Total
<0.40
Mechanical Properties
Tensile Strength
>1248 MPa
Yield Strength
>1152 MPa
Elongation(%)
>10
Reduction(%)
>20
Elastic modulus
103 GPa
Physical Properties
Density
4.82g cm³
Beta Transus
732±14°C
Melting Point
1554~1649°C
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