Product name
International standard: Gr. 5 titanium casting (Ti-6Al-4V casting)
Domestic corresponding brand number: TC4 titanium castings (GB / T 3620.1)
Other names: aviation grade titanium alloy casting, biomedical titanium casting
Product brief introduction
Gr. 5 titanium casting is a structural part of Ti-6Al-4V alloy formed by precision casting process, with the characteristics of high strength (tensile strength 895MPa) and lightweight (density 4.51g / cm³).
Core applications:
Aerospace: engine blade, landing gear hub, aircraft frame
Medical field: artificial joints, bone plates, dental implants (biocompatibility certified)
Industrial field: chemical pump valve, pressure resistant pipe, Marine platform corrosion resistant components
Product characteristics
High strength lightweight: specific strength of 23.5, better than steel, suitable for weight loss demand scenarios
Corrosion resistance: resistance to seawater, chloride ion, oxidation medium corrosion, surface oxide film self-repair
Temperature resistance: long-term use temperature 600℃, low temperature maintain ductility (-196℃)
Processing adaptability: support forging, welding (argon arc welding) and precision machining
Biological safety: non-toxic, nonmagnetic, to meet the medical implant standards
Technical parameters
Chemical composition :
Principal components: titanium (Ti) matrix, aluminum (Al)5.5-6.8%, vanadium (V)3.5-4.5%
Impurity limit: 0.3% of iron (Fe), oxygen (O) 0.2%, and hydrogen (H) 0.015%
Mechanical property :
Tensile strength: 895MPa; yield strength: 825MP
Elongation: 10%; hardness: HRC 30 (annealed state)
Physical property :
Density: 4.51g / cm³; melting point: 1605-1668℃ 28
Thermal conductivity: 7.96W / (m · K); resistivity: 1.75 μ Ω·m (room temperature)
Casting technique :
Heat treatment: β phase transition point about 955℃, final forging temperature 650℃ 57
Surface treatment: sandblasting (Ra 1.6-3.2 μ m), anodic oxidation (enhanced corrosion resistance)
Gr. 5 titanium casting passes through strict nondestructive testing (ultrasonic detection) and mechanical properties test, which meets the strict requirements of material reliability in aviation, medical and other fields
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