Grade 3 titanium plate is an industrial pure titanium material, with chemical components mainly including titanium (Ti) content of 99.5%, iron (Fe) content not exceeding 0.15%, carbon (C) content not exceeding 0.03%, and trace amounts of other elements such as oxygen (O) and nitrogen (N).
It complies with ASTM B381: American Society for Testing and Materials (ASTM) standards, suitable for titanium and titanium alloy forgings.
GB/T 3621-2007: Chinese national standard, specifying the technical requirements and performance indicators for titanium and titanium alloy sheets.
ISO 5832/2-1999: International Organization for Standardization (ISO) standard, applicable to titanium and titanium alloy sheets. According to ASTM F67 and ASTM B265 standards, Grade 3 titanium material is defined as pure titanium without alloy additions, with its chemical composition and mechanical properties falling between Grade 2 and Grade 4. The International Organization for Standardization (ISO) standards are consistent with ASTM standards, ensuring universal applicability worldwide.
Product parameter
Density: approximately 4.5 g/cm³.
Melting point: around 1668 °C.
Thermal conductivity: approximately 20.9 W/m·K.
Linear expansion coefficient: 8.4 μm/m·K (at room temperature to 100 °C).
Yield strength: approximately 345 MPa.
Tensile strength: approximately 380 MPa. Elongation: approximately 20%.
Hardness: approximately 120 HB.
Corrosion resistance: shows good corrosion resistance in oxidizing, nitric acid, sulfuric acid, ammonium chloride, and other corrosive media, and also exhibits excellent corrosion resistance at high temperatures and pressures.
Other properties: good plasticity and processability. Excellent weldability and heat treatability, allowing mechanical properties to be adjusted through heat treatment.
Processing technic
Thickness: Thin plates: 0.2-5.0 mm. Medium-thick plates: 5.0-30 mm.
Extra-thick plates: 30-80 mm. Width: Standard range: 500-1400 mm.
Special requirements: Customizable up to 2500 mm. Length: Standard cutting: 1000-6000 mm.
Special specifications: Up to 6000 mm. Annealing treatment can restore plasticity (recommended temperature: 650-750℃). Sandblasting (Ra 3.2-6.3 μm): Increases surface roughness, enhances coating adhesion.
Pickling: Removes oxide layer, improves corrosion resistance.
Sandblasting (Ra 3.2-6.3 μm): Increases surface roughness, enhances coating adhesion. Pickling: Removes oxide layer, improves corrosion resistance.
Main application areas of Grade 3 titanium plate
Aerospace: Airframe structure: skin, bulkhead, engine components: compressor blades, casing, fasteners: titanium alloy bolts.
Surgical tools: endoscope assembly, high-frequency electrosurgical electrode.
Corrosion-resistant equipment: chlor-alkali industry: electrolytic cell anode plate, seawater desalination: evaporator tube sheet.
New energy sector: hydrogen storage tank: resistant to high-pressure hydrogen embrittlement, nuclear power plant condenser. Marine engineering: deep-sea probe casing.
3D printing: Gr.3 titanium powder for powder bed fusion (SLM): printing customized orthopedic implants.
Automotive industry: racing exhaust pipe (weight reduction 40%, resistant to 800℃ exhaust corrosion), hydrogen fuel cell bipolar plate (surface conductive coating resistance ≤5 mΩ·cm²).
Emerging industries: consumer electronics: high-end smartphone frames, smart wearable devices.
Building decoration: curtain wall panels, artistic sculptures.
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