Titanium Grade 6 (Ti-5Al-2.5Sn) tube is a high-temperature optimized near-alpha titanium alloy tube, featuring exceptional long-term thermal stability, superior creep resistance and excellent weldability, specially designed for automotive components operating continuously at 500℃+ high temperatures.
As the premium high-temperature titanium alloy for automotive powertrain applications, Titanium Grade 6 tube delivers better creep and thermal fatigue performance than Grade 5 at elevated temperatures, making it the ideal material for durable engine and exhaust system components that require decades of reliable service.
| Item | Details |
|---|---|
| Executive Standards | 1. International Material Standards: ASTM B338, ASTM B861, AMS 4912, DIN 17861, ISO 5832-6
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 E139 (Creep Testing) |
| Material Grade | 1. Main Grade: Titanium Grade 6 (Ti-5Al-2.5Sn, Near-Alpha Titanium Alloy, High-Temperature Automotive Grade)
2. International Designations: UNS R54520, W.Nr. 3.7115, Ti-5Al-2.5Sn 3. Equivalent Grades: GB TC1, JIS TP520, fully compatible with all global automotive manufacturing standards |
| Chemical Composition (Weight %) | 1. Titanium (Ti): Balance
2. Aluminum (Al): 5.00 – 6.00 (primary alpha stabilizer for high-temperature strength) 3. Tin (Sn): 2.00 – 3.00 (solid solution strengthener for improved creep resistance) 4. Iron (Fe): ≤0.30 5. Oxygen (O): ≤0.15 6. Carbon (C): ≤0.08 7. Nitrogen (N): ≤0.05 8. Hydrogen (H): ≤0.015 9. Other Elements (each): ≤0.10 10. Other Elements (total): ≤0.40 |
| Mechanical Properties (Annealed State) | 1. Tensile Strength (Room Temperature): 690 – 830 MPa
2. 0.2% Yield Strength (Room Temperature): ≥620 MPa 3. Tensile Strength (500℃): ≥415 MPa (25% higher than Grade 5 at the same temperature) 4. Creep Limit (500℃, 1000h): ≥150 MPa (50% higher than Grade 5) 5. Elongation (δ5): ≥12% 6. Reduction of Area (ψ): ≥25% 7. Hardness (HRC): 25 – 32 8. Density: 4.48 g/cm³ (45% lighter than steel) 9. Melting Point: 1660℃ |
| Dimensional Tolerance (Automotive Grade Precision) | 1. Outer Diameter Tolerance: Precision Grade (≤50mm): ±0.04mm; Standard Grade (50-100mm): ±0.08mm
2. Wall Thickness Tolerance: ±0.04mm (≤3mm); ±0.08mm (3-6mm) 3. Length Tolerance: Fixed Length (1m-6m): ±0.4mm/m; Maximum Full-Length Tolerance: ≤1.5mm 4. Straightness: ≤0.25mm/m, Full-Length Straightness Error: ≤0.8mm/6m 5. Surface Finish: Ra ≤1.6μm standard, optional high-temperature resistant coating available |
| Why the Automobile Manufacturing Industry Uses This Material (Detailed) | 1. Unrivaled Long-Term High-Temperature Stability: Titanium Grade 6 is specifically engineered for continuous operation at temperatures up to 550℃, making it the only commercially pure titanium alloy that can reliably perform in the hottest parts of automotive powertrains. Unlike Grade 5 which starts to experience significant creep above 450℃, Grade 6 maintains its dimensional stability and mechanical properties for decades under constant high-temperature exposure.
2. Exceptional Creep Resistance: Creep deformation is the primary failure mode for high-temperature automotive components. Titanium Grade 6 exhibits 50% lower creep deformation than Grade 5 at 500℃ under 150MPa load, ensuring components maintain their shape and performance for the entire 150,000+ mile vehicle lifetime without permanent deformation or failure. 3. Superior Thermal Fatigue Resistance: Automotive exhaust and engine components are subjected to extreme temperature cycling from ambient to 600℃+ thousands of times during their lifetime. Titanium Grade 6’s excellent thermal fatigue resistance prevents cracking and failure caused by repeated heating and cooling cycles, significantly reducing warranty claims and improving reliability. 4. Excellent Weldability: Unlike alpha-beta titanium alloys like Grade 5 which can experience weld embrittlement, Titanium Grade 6 exhibits excellent weldability using TIG, MIG and laser welding techniques. Welded joints retain over 90% of the base metal’s strength and creep resistance, making it ideal for complex welded exhaust and engine assemblies. 5. Completely Non-Magnetic Properties: Titanium Grade 6 is completely non-magnetic, making it ideal for components located near sensitive automotive sensors such as oxygen sensors, knock sensors and engine control units. It does not interfere with electromagnetic signals, ensuring accurate sensor readings and reliable engine performance. 6. Superior Corrosion Resistance: Titanium Grade 6 forms a dense, self-healing titanium oxide film that provides exceptional resistance to road salt, de-icing chemicals, exhaust gases, gasoline, diesel and all other automotive fluids. It will never rust or corrode, eliminating the need for expensive coatings and reducing maintenance costs. 7. Cost-Effective Alternative to Nickel Alloys: While nickel-based superalloys offer similar high-temperature performance, they are 2-3 times more expensive and significantly heavier. Titanium Grade 6 provides comparable high-temperature performance at a fraction of the cost and weight, making it the ideal cost-effective solution for high-volume automotive applications. |
| Application Scenarios & Corresponding Customers (Detailed) | Application Scenarios:
1. High-Temperature Exhaust Components: Exhaust manifolds, turbocharger turbine housings, downpipes, catalytic converter shells, muffler components and exhaust heat shields. Grade 6’s high-temperature stability and creep resistance make it ideal for these components which operate continuously at 500℃+. 2. Engine Powertrain Components: EGR (Exhaust Gas Recirculation) system tubes, intake manifolds, turbocharger wastegate components, engine mount brackets and valve covers. Its non-magnetic properties also make it ideal for sensor housings and brackets. 3. Turbocharger Systems: Turbocharger compressor housings, turbine housings, intercooler tubes and charge air pipes. Grade 6’s high-temperature strength and lightweight properties improve turbo response and reduce turbo lag. 4. Hybrid and Electric Vehicle Components: Battery thermal management system tubes, motor housing cooling jackets, exhaust heat recovery system components and high-voltage cable conduits. Its non-magnetic properties and excellent thermal conductivity make it ideal for EV applications. 5. High-Performance and Racing Applications: Used extensively in motorsports for exhaust systems, turbocharger components and engine parts where maximum heat resistance and minimum weight are critical. It is particularly popular in endurance racing where component reliability is paramount. 6. Commercial Vehicle Components: Heavy-duty truck exhaust systems, engine components and turbocharger parts. Its long service life and low maintenance requirements make it ideal for commercial vehicles which operate for hundreds of thousands of miles. Corresponding Customers: 1. Global automotive OEMs specializing in high-performance and luxury vehicles (Ferrari, Lamborghini, Porsche, BMW M, Mercedes-AMG) 2. Leading turbocharger manufacturers (Honeywell, BorgWarner, Mitsubishi Heavy Industries, Garrett) 3. Automotive tier 1 suppliers specializing in exhaust systems and engine components 4. Hybrid and electric vehicle manufacturers (Tesla, Lucid Motors, Rimac, NIO) 5. Commercial vehicle manufacturers (Daimler, Volvo, MAN, Scania) 6. Professional motorsport teams and racing organizations (Formula 1, Le Mans, NASCAR) 7. Automotive aftermarket companies producing high-performance exhaust and engine components 8. Automotive engineering firms developing next-generation high-efficiency powertrains |
| Corresponding User Needs in Automobile Manufacturing Industry (Detailed) | 1. Long-Term High-Temperature Reliability Demand: Manufacturers need materials that can operate continuously at 500℃+ for 10+ years or 150,000+ miles without deformation or failure. Titanium Grade 6’s exceptional creep resistance and thermal stability meet this critical demand.
2. Thermal Fatigue Resistance Demand: Automotive components are subjected to extreme temperature cycling throughout their lifetime. Users require materials that can withstand thousands of heating and cooling cycles without cracking or failing. 3. Superior Weldability Demand: Many high-temperature automotive components are complex welded assemblies. Users need materials that can be easily welded without losing strength or developing defects. 4. Non-Magnetic Material Demand: As vehicles become more electronically advanced, the need for non-magnetic materials near sensors and electronic systems is growing. Titanium Grade 6’s completely non-magnetic properties make it the ideal choice for these applications. 5. Lightweighting Demand: Reducing powertrain weight is critical for improving fuel efficiency, reducing emissions and enhancing vehicle performance. Titanium Grade 6’s 45% weight advantage over steel provides significant weight savings without compromising strength or durability. 6. Maintenance-Free Operation Demand: Manufacturers want components that require no maintenance or coating throughout the vehicle’s lifetime. Titanium Grade 6’s exceptional corrosion resistance eliminates the need for painting or coating, reducing manufacturing and maintenance costs. 7. Cost-Effectiveness Demand: While high-temperature performance is critical, manufacturers also need to control costs. Titanium Grade 6 provides comparable high-temperature performance to nickel-based superalloys at a significantly lower cost, making it suitable for mass production. 8. Consistent Quality Demand: Automotive manufacturing requires materials with highly consistent mechanical properties and chemical composition to ensure reliable performance. Users need suppliers with strict quality control systems and complete material traceability. |
| Common Related Products in Automobile Manufacturing Industry | 1. Titanium Grade 6 Bar: Used for manufacturing solid components such as turbocharger shafts, valve stems, fasteners, brackets and engine mount components
2. Titanium Grade 6 Sheet/Plate: Used for exhaust heat shields, engine covers, battery trays and structural components 3. Titanium Grade 6 Welding Wire: ERTi-6 welding wire specifically designed for welding Titanium Grade 6 components, ensuring excellent weld strength and high-temperature performance 4. Titanium Grade 6 Forgings: Used for high-strength high-temperature components such as turbocharger housings, exhaust manifolds and engine brackets 5. Titanium Grade 5 Tube: Used for applications requiring higher room-temperature strength where extreme high-temperature performance is not needed 6. Titanium Grade 2 Tube: Used for low-temperature applications requiring better formability 7. Titanium Exhaust Manifolds: Complete high-performance exhaust manifolds manufactured from Titanium Grade 6 tube 8. Titanium Turbocharger Components: Turbocharger housings, wastegates and intercooler tubes made from Titanium Grade 6 tube 9. Titanium Fasteners: Grade 6 titanium bolts, nuts, screws and studs for high-temperature automotive assembly |
| Why Choose Us (Emily PIPE) | 1. 20+ Years of Titanium Automotive Expertise: We have been supplying high-temperature titanium materials to the global automotive industry for over 20 years, with deep understanding of the unique requirements of powertrain and exhaust system applications.
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 6 Specialization: We specialize in producing high-quality Titanium Grade 6 tube with precise control over aluminum and tin content to ensure consistent high-temperature performance and creep resistance. 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. We also offer custom cutting and end forming services. 6. Professional Technical Support: Our team of metallurgical engineers provides expert guidance on material selection, welding procedures, heat treatment and design optimization for high-temperature 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-temperature Titanium Grade 6 tube for your automotive powertrain or exhaust system 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 high-temperature performance, creep resistance, welding guidelines or automotive application recommendations, our titanium alloy specialists are available to assist you promptly. 3. Emily PIPE is your trusted partner for high-performance automotive titanium materials. Contact us today to discuss how our Titanium Grade 6 tube can help you achieve your lightweighting, performance and reliability 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, creep testing results 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. High-Temperature Surface Treatment: We offer optional high-temperature resistant coatings for applications requiring additional oxidation protection at temperatures above 550℃. 4. Professional Automotive Packaging: We use protective plastic caps on both ends, anti-corrosion wrapping and wooden crates to prevent damage during transportation. 5. Urgent Order Support: We maintain a large inventory of standard Titanium Grade 6 tube sizes, enabling us to fulfill urgent orders within 7-15 days. 6. Prototype Development Support: We support small batch prototype orders with fast turnaround times to help you accelerate product development. 7. After-Sales Service: We provide lifetime technical support for all our products, including on-site assistance for welding and forming issues. 8. Sustainability Commitment: All our titanium products are manufactured using sustainable practices and are 100% recyclable, helping you meet your environmental targets. |