Titanium Grade 3 tube is the highest strength commercially pure titanium tube, offering an optimal balance of superior mechanical strength, excellent corrosion resistance and good formability, specially engineered for automotive components requiring higher load-bearing capacity without sacrificing lightweight advantages.
As a high-strength lightweight material for modern automobiles, Titanium Grade 3 tube delivers 20% higher strength than Grade 2 while maintaining comparable corrosion resistance and weldability, making it ideal for manufacturing durable, high-performance automotive structural and functional components.
| Item | Details |
|---|---|
| Executive Standards | 1. International Material Standards: ASTM B338, ASTM B861, AMS 4943, DIN 17861, ISO 5832-3
2. Automotive Industry Standards: IATF 16949, ISO 9001, ISO 14001, VDA 6.3 3. Testing Standards: ASTM E8 (Tensile), ASTM E23 (Impact), ASTM G48 (Corrosion), ASTM A450 (Hydrostatic), ASTM B670 (Formability) |
| Material Grade | 1. Main Grade: Titanium Grade 3 (Commercially Pure Titanium, High-Strength Automotive Grade)
2. International Designations: UNS R50550, W.Nr. 3.7055, Ti Grade 3 3. Equivalent Grades: GB TA3, JIS TP480C, fully compatible with all global automotive manufacturing standards |
| Chemical Composition (Weight %) | 1. Titanium (Ti): 98.9% minimum
2. Oxygen (O): 0.25 – 0.35 (key element for higher strength, higher than Grade 2) 3. Iron (Fe): 0.20 – 0.30 (higher than Grade 2 for improved mechanical properties) 4. Carbon (C): ≤0.08 5. Nitrogen (N): ≤0.05 6. Hydrogen (H): ≤0.015 7. Other Elements (each): ≤0.10 8. Other Elements (total): ≤0.40 |
| Mechanical Properties (Annealed State) | 1. Tensile Strength: 450 – 620 MPa (20% higher than Grade 2)
2. 0.2% Yield Strength: ≥380 MPa (38% higher than Grade 2) 3. Elongation (δ5): ≥18% (sufficient for most automotive forming operations) 4. Reduction of Area (ψ): ≥35% 5. Hardness (HB): 130 – 190 6. Density: 4.51 g/cm³ (same as Grade 1/2, 45% lighter than steel) 7. Melting Point: 1668℃ 8. Thermal Conductivity: 15.8 W/(m·K) 9. Fatigue Strength (10⁷ Cycles): ≥220 MPa |
| Dimensional Tolerance (Automotive Grade Precision) | 1. Outer Diameter Tolerance: Precision Grade (≤50mm): ±0.05mm; Standard Grade (50-100mm): ±0.10mm
2. Wall Thickness Tolerance: ±0.05mm (≤3mm); ±0.10mm (3-6mm) 3. Length Tolerance: Fixed Length (1m-6m): ±0.5mm/m; Maximum Full-Length Tolerance: ≤2.0mm 4. Straightness: ≤0.3mm/m, Full-Length Straightness Error: ≤1.0mm/6m 5. Surface Finish: Ra ≤1.6μm standard, optional polished finish Ra ≤0.8μm for high-performance applications |
| Why the Automobile Manufacturing Industry Uses This Material (Detailed) | 1. Unmatched Strength-to-Weight Ratio: Titanium Grade 3 offers the highest strength among commercially pure titanium grades, with 20% higher tensile strength and 38% higher yield strength than Grade 2, while maintaining the same 45% weight advantage over steel. This unique combination allows manufacturers to reduce component thickness and weight without compromising structural integrity, resulting in significant overall vehicle weight reduction.
2. Superior Corrosion Resistance: Like other pure titanium grades, Grade 3 forms a self-healing titanium oxide film that provides exceptional resistance to road salt, de-icing chemicals, exhaust gases, moisture and atmospheric corrosion. It outperforms stainless steel and aluminum in harsh automotive environments, ensuring components last the entire lifetime of the vehicle without rusting, pitting or corroding. 3. Excellent High-Temperature Performance: Titanium Grade 3 maintains its mechanical properties up to 450℃, making it ideal for high-temperature automotive components such as exhaust systems and engine parts. It does not warp, deform or lose strength under repeated thermal cycling, unlike steel which can suffer from thermal fatigue and creep. 4. Outstanding Fatigue and Impact Resistance: Automotive components are subjected to millions of cycles of vibration, stress and impact during their lifetime. Titanium Grade 3 has excellent fatigue strength and impact toughness, significantly reducing the risk of component failure due to fatigue. This is particularly important for suspension components, chassis parts and exhaust systems. 5. Good Formability and Weldability: Despite its higher strength, Titanium Grade 3 still maintains good formability and can be bent, expanded, flared and formed into complex shapes using standard automotive manufacturing techniques. It also exhibits excellent weldability using TIG, MIG and laser welding methods, with welded joints retaining over 85% of the base metal strength. 6. Low Maintenance Requirements: Titanium Grade 3 components require no painting, coating or corrosion protection, reducing manufacturing costs and maintenance requirements over the vehicle’s lifetime. They also maintain their appearance indefinitely, without rusting or discoloring. 7. Cost-Effective High-Strength Solution: While titanium has a higher initial cost than steel, Titanium Grade 3 provides a more cost-effective high-strength solution compared to titanium alloys like Grade 5 (Ti-6Al-4V). It offers most of the strength benefits of alloyed titanium at a lower cost, making it suitable for mass production automotive applications. |
| Application Scenarios & Corresponding Customers (Detailed) | Application Scenarios:
1. High-Temperature Exhaust Components: Exhaust headers, downpipes, catalytic converter shells, muffler shells and tailpipes. Grade 3’s higher strength and high-temperature resistance make it ideal for these high-stress, high-temperature applications. 2. Suspension System Components: Shock absorber tubes, strut housings, control arm tubes, stabilizer bars and coil spring retainers. Its high strength-to-weight ratio reduces unsprung weight, improving ride quality and handling. 3. Chassis and Structural Components: Frame tubes, roll cages, subframe components, door impact beams and roof rails. Grade 3 provides high strength and stiffness while reducing overall vehicle weight, improving crash safety and fuel efficiency. 4. Engine Components: Valve guides, valve spring retainers, connecting rod tubes, turbocharger components and engine mount brackets. Its high strength and heat resistance make it suitable for these demanding applications. 5. Fuel System Components: High-pressure fuel lines, fuel rail tubes, fuel tank components and fuel injection system parts. Its corrosion resistance ensures compatibility with all types of fuels, including ethanol blends and biodiesel. 6. Electric Vehicle (EV) Specific Components: Battery pack structural tubes, battery tray reinforcements, motor housing components, suspension parts and thermal management system tubes. Its high strength and lightweight properties are particularly valuable for EVs, where weight reduction directly translates to increased range. 7. Commercial Vehicle Components: Truck frame tubes, trailer components, exhaust systems and suspension parts. Its durability and corrosion resistance make it ideal for heavy-duty commercial vehicle applications. 8. High-Performance and Racing Vehicles: Used extensively in motorsports for its combination of high strength, lightweight and heat resistance, including roll cages, exhaust systems and suspension components. Corresponding Customers: 1. Global automotive OEMs (passenger cars, SUVs, trucks and commercial vehicles) 2. Electric vehicle manufacturers (Tesla, BYD, NIO, Xpeng, Rivian, Lucid Motors) 3. Automotive tier 1 suppliers specializing in exhaust systems, suspension systems and chassis components 4. High-performance and luxury vehicle manufacturers (Ferrari, Lamborghini, Porsche, BMW M, Mercedes-AMG) 5. Commercial vehicle manufacturers (trucks, buses, delivery vans and heavy-duty equipment) 6. Automotive aftermarket companies producing performance parts and custom exhaust systems 7. Motorsport teams and racing organizations (Formula 1, NASCAR, rally racing, drag racing) 8. Automotive design and engineering firms developing lightweight vehicle platforms |
| Corresponding User Needs in Automobile Manufacturing Industry (Detailed) | 1. Higher Strength Demand: Manufacturers need materials that can withstand higher loads and stresses while maintaining lightweight properties. Titanium Grade 3’s higher strength compared to Grade 1 and 2 makes it ideal for these applications.
2. Optimal Strength-to-Weight Balance: The automotive industry is constantly seeking materials that offer the best combination of strength and weight. Titanium Grade 3 provides an excellent balance, allowing manufacturers to reduce component weight without sacrificing strength or durability. 3. Durability and Reliability Demand: Automotive components must be reliable and durable, with a service life of at least 10 years or 150,000 miles. Titanium Grade 3’s excellent corrosion resistance, fatigue resistance and impact toughness ensure components will last the entire lifetime of the vehicle. 4. Cost-Effectiveness Demand: While titanium has a higher initial cost than steel, manufacturers are increasingly recognizing the total lifecycle cost benefits of titanium, including lower maintenance costs, longer service life and improved fuel efficiency. Titanium Grade 3 provides a more cost-effective high-strength solution compared to alloyed titanium grades. 5. Mass Production Capability Demand: Automotive manufacturers require materials that can be processed using existing manufacturing techniques and are suitable for high-volume production. Titanium Grade 3’s good formability and weldability make it compatible with standard automotive manufacturing processes. 6. Environmental Compliance Demand: The automotive industry is facing increasingly strict environmental regulations. Titanium Grade 3 is 100% recyclable and helps reduce vehicle emissions through lightweighting, making it an environmentally friendly material choice. 7. Customization Demand: Different vehicle models and applications have different requirements for tube dimensions, wall thickness and surface finish. Manufacturers need suppliers who can provide custom solutions to meet their specific needs. 8. Quality and Consistency Demand: Automotive manufacturing requires consistent material quality to ensure component reliability and performance. Manufacturers need suppliers with strict quality control systems and complete material traceability. |
| Common Related Products in Automobile Manufacturing Industry | 1. Titanium Grade 3 Bar: Used for manufacturing solid components such as bolts, nuts, fasteners, valve stems, connecting rods and suspension components
2. Titanium Grade 3 Sheet/Plate: Used for body panels, floor pans, heat shields, battery trays and structural components 3. Titanium Grade 3 Welding Wire: ERTi-3 welding wire specifically designed for welding Titanium Grade 3 components, ensuring excellent weld strength and corrosion resistance 4. Titanium Grade 2 Tube: Used for applications requiring better formability where extreme strength is not needed 5. Titanium Grade 5 (Ti-6Al-4V) Tube: Used for ultra-high-strength applications such as roll cages, chassis components and racing parts 6. Titanium Exhaust Systems: Complete titanium exhaust systems manufactured from Grade 3 tube, including headers, downpipes, mufflers and tailpipes 7. Titanium Suspension Components: Shock absorber tubes, strut housings and control arms made from Titanium Grade 3 tube 8. Titanium Fasteners: Grade 3 titanium bolts, nuts, screws and studs for high-strength automotive assembly 9. Titanium Chassis Components: Roll cages, frame tubes and subframe components made from Titanium Grade 3 tube |
| Why Choose Us (Emily PIPE) | 1. 20+ Years of Titanium Automotive Expertise: We have been supplying titanium materials to the global automotive industry for over 20 years, with deep understanding of automotive manufacturing requirements and challenges.
2. IATF 16949 Certified: Our production facilities are fully certified to IATF 16949, the international standard for automotive quality management systems, ensuring compliance with the strictest automotive industry requirements. 3. Grade 3 Specialization: We specialize in producing high-quality Titanium Grade 3 tube with precise control over oxygen and iron content to ensure consistent strength and formability. 4. Full Material Traceability: Every tube comes with a unique heat number and complete traceability documentation from raw material ore to finished product, meeting automotive industry traceability requirements. 5. Advanced Customization Capability: We can produce custom sizes, lengths, wall thicknesses and surface finishes according to your drawings and technical specifications. 6. Professional Technical Support: Our team of metallurgical engineers provides expert guidance on material selection, forming parameters, welding procedures and design optimization for automotive applications. 7. Global One-Stop Service: We handle everything from material production and custom processing to international shipping and customs clearance, with reliable logistics partners ensuring on-time delivery to any automotive manufacturing facility worldwide. |
| Inquiry Guidance Words | 1. If you need high-strength Titanium Grade 3 tube for your automotive manufacturing project, please send us your specific requirements including dimensions, quantity, required certifications and delivery date, and we will provide a detailed quotation within 12 hours.
2. For any questions about material properties, strength characteristics, welding guidelines or automotive application recommendations, our titanium specialists are available to assist you promptly. 3. Emily PIPE is your trusted partner for high-quality automotive titanium materials. Contact us today to discuss how our Titanium Grade 3 tube can help you achieve your lightweighting and performance goals with reliable, cost-effective solutions. |
| Supplementary Information | 1. Comprehensive Test Reports: Each batch comes with a full Material Test Report (MTR) including chemical composition analysis, mechanical properties testing, hardness testing and non-destructive inspection results.
2. 100% Non-Destructive Testing: All tubes undergo 100% eddy current testing and hydrostatic testing to ensure no defects. 3. Professional Automotive Packaging: We use protective plastic caps on both ends, anti-corrosion wrapping and wooden crates to prevent damage during transportation. 4. Urgent Order Support: We maintain a large inventory of standard Titanium Grade 3 tube sizes, enabling us to fulfill urgent orders within 7-15 days. 5. Prototype Development Support: We support small batch prototype orders with fast turnaround times to help you accelerate product development. 6. After-Sales Service: We provide lifetime technical support for all our products, including on-site assistance for forming and welding issues. 7. Sustainability Commitment: All our titanium products are manufactured using sustainable practices and are 100% recyclable, helping you meet your environmental targets. |