Grade 17 titanium alloy round bar is a α-type titanium alloy, with its chemical composition mainly consisting of Ti-0.05Pd, using Ti-1 as the matrix and adding trace amounts of palladium (Pd) to enhance corrosion resistance, especially in reducing media. Grade 17 titanium alloy round bars exhibit excellent ductility and cold forming properties, along with high strength, high impact toughness, and superior weldability, providing strong resistance to crevice corrosion. In terms of standards, Grade 17 titanium alloy complies with ASTM B348-13, which corresponds to the American National Standard R52252. Additionally, Grade 17 titanium alloy is also applicable to ASTM B861 standards, which cover the dimensions, materials, surface treatments, and testing methods for titanium alloy pipes. In China, relevant standards for Grade 17 titanium alloy include GB/T 3620.1-2007, which specifies the grades and chemical compositions of titanium and titanium alloys.
Product parameter
Density: 4.51 g/cm³ (0.163 lb/in³). Rockwell hardness: B grade 40, C grade 23, Rockwell hardness L grade 28.
Tensile strength: Ultimate tensile strength: 660 MPa (95,700 psi).
Yield strength: 590 MPa (85,600 psi).
Elongation at break: 20%. Elastic modulus: 105 GPa (15,000 ksi).
Compressive modulus: 110 GPa (15,800 ksi).
Viscoelasticity: Kt = 3.0. Load-bearing strength: Ultimate load-bearing strength: 930 MPa (135,000 psi).
Processing technic
Diameter range: Φ6mm~Φ600mm. Length range: 300mm~600mm.
Diameter tolerance: ±0.13mm~±0.28mm, ovality tolerance: 0.20mm~0.41mm, depending on the diameter range.
Surface treatment: Various surface treatments are available, including polishing, acid washing, and spin coating, to enhance quality and corrosion resistance.
Main application areas
Oil and Chemicals: Used for manufacturing pipes, valves, and reactor components resistant to strong acids and high-temperature chlorides. Marine Engineering: Suitable for seawater cooling systems and deep-sea exploration equipment in corrosive environments. Metallurgy and Energy: Used as corrosion-resistant structural materials in metallurgical equipment (such as acid washing baskets) and nuclear power systems.
Medical and Aerospace: Although non-mainstream applications, their biocompatibility and lightweight characteristics can be utilized in special implants or non-load-bearing components.
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