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Grade 3 titanium round bar is an industrial pure titanium, classified as α-type titanium alloy, with excellent mechanical properties and corrosion resistance. Its chemical composition mainly includes iron (Fe), oxygen (O), carbon (C), nitrogen (N), and hydrogen (H). The specific component ratios are: iron ≤ 0.3%, oxygen ≤ 0.5%, carbon ≤ 0.08%, nitrogen ≤ 0.05%, and hydrogen ≤ 0.015%. Grade 3 titanium round bar has good corrosion resistance, performing excellently in corrosive media such as oxidation, nitric acid, sulfuric acid, and chlorides. It also exhibits excellent corrosion resistance under high-temperature and high-pressure conditions. Additionally, Grade 3 titanium round bar has good weldability and machinability, making it suitable for mechanical processing and heat treatment.
The physical properties of Grade 3 titanium round bars include a density of approximately 4.5 g/cm³, a melting point of about 1668 °C, a thermal conductivity of about 20.9 W/(m·K), and a linear expansion coefficient of 8.4 μ/m/(m·K) (from room temperature to 100°°C). In terms of mechanical properties, the yield strength is around 345 MPa, the tensile strength is about 380 MPa, the elongation is approximately 20%, and the hardness is around 120HB.
Diameter range: The diameter of Gr.3 titanium round bars typically ranges from 6.0mm to 450 mm. Length range: The length can be customized according to customer requirements, with common lengths ranging from 1000mm to 6000 mm. Surface treatment: The surface undergoes peeling, polishing, and blackening processes to ensure high-quality surface finish. Chemical composition: It complies with GB/T 3620.1 standards, featuring low density, high strength, excellent corrosion resistance, and good thermal shock resistance. Production process: Vacuum consumable arc furnaces are used, along with forging, rolling, finishing treatments, and heat treatment steps. The main standards for Gr.3 titanium round bars include ASTM B348 and AMS R50550, which specify their chemical composition, mechanical properties, and application scope.
Aerospace: Gr.3 titanium round bars are widely used in the manufacture of aircraft frames, fuselage shells, engine parts, beams, and other critical components.
Medical Devices: In the medical field, Gr.3 round bars are used to produce artificial joint prostheses (such as hip, knee, ankle, shoulder, elbow, wrist, and finger joints), orthopedic products (such as screws, plates, and intramedullary nails), and spinal fixation systems.
Chemical Equipment: Gr.3 titanium round bars are used in the chemical industry to manufacture heat exchangers, pumps, distillation towers, and other equipment, performing exceptionally well in corrosive media.
Marine Engineering: Gr.3 titanium round bars are extensively used in marine engineering equipment, such as ship structural components and offshore platform devices. Automotive
Industry: In automotive manufacturing, Gr.3 titanium round bars are used to produce lightweight components, such as engine parts and body structure pieces.
Construction Industry: Gr.3 titanium round bars are used in the construction industry to manufacture corrosion-resistant structural components and decorative materials.
Energy Sector: In the energy sector, Gr.3 titanium round bars are used to manufacture nuclear power plant equipment, oil drilling equipment, and more.
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