Alloy 800 Pipe for Aviation

2. International Material Standards: ASTM B407 (Seamless Pipe), ASTM B514 (Welded Pipe), ASME SB407, ASME SB514, DIN 17459, EN 1.4876

3. Pressure Vessel Standards: ASME Section VIII Div. 1, PED 2014/68/EU

4. Testing Standards: ASTM E8, ASTM E23, ASTM E10, ASTM G48, ASTM E243, ASTM E1444 (Magnetic Particle)

5. Quality Management Standards: AS9100D, ISO 9001, ISO 14001, NADCAP (Non-Destructive Testing)

2. International Designations: UNS N08800, W.Nr. 1.4876, Incoloy 800, NiCr21Fe32

3. Equivalent Grades: NS1101 (China), Alloy 800 (USA), Nicrofer 3221 (Germany), fully compatible with all global aerospace manufacturing standards

4. Special Grades: Alloy 800H (High Carbon) for enhanced creep resistance; Alloy 800HT (High Temperature) for maximum high-temperature strength; precision grade for tight tolerance applications

2. Chromium (Cr): 19.0 – 23.0 (for oxidation resistance and high-temperature strength)

3. Iron (Fe): Balance (base element for cost-effectiveness and formability)

4. Carbon (C): ≤0.10 (standard); 0.05-0.10 (800H grade); 0.06-0.10 (800HT grade)

5. Aluminum (Al): 0.15 – 0.60

6. Titanium (Ti): 0.15 – 0.60

7. Manganese (Mn): ≤1.50

8. Silicon (Si): ≤1.00

9. Sulfur (S): ≤0.015

10. Phosphorus (P): ≤0.020

11. Copper (Cu): ≤0.75

Note: Controlled aluminum and titanium content provides excellent high-temperature strength and thermal stability without compromising weldability

2. 0.2% Yield Strength (Room Temperature): ≥205 MPa

3. Elongation (δ5): ≥40% (excellent formability for complex aerospace components)

4. Reduction of Area: ≥50%

5. Hardness (HB): 120 – 180

6. Tensile Strength (600℃): ≥240 MPa

7. Tensile Strength (800℃): ≥100 MPa

8. Creep Rupture Strength (760℃, 1000h): ≥35 MPa

9. Modulus of Elasticity: 196 GPa

10. Thermal Expansion Coefficient: 15.1 × 10⁻⁶ /℃ (20-100℃)

11. Maximum Continuous Service Temperature: 900℃

– Outer Diameter 6mm – 50mm: ±0.15mm

– Outer Diameter 50mm – 150mm: ±0.3mm

– Wall Thickness 0.5mm – 3mm: ±0.08mm

– Wall Thickness 3mm – 10mm: ±0.12mm

2. Welded Pipes:

– Outer Diameter 10mm – 100mm: ±0.2mm

– Wall Thickness 0.8mm – 5mm: ±0.10mm

3. U-Bend Pipes:

– Bend Radius Tolerance: ±0.5mm

– Ovality at Bend: ≤3% of outer diameter

4. Length Tolerance:

– Fixed Length (1m – 12m): ±2mm

– Custom Length up to 18m available

– Alloy 800 fills the critical performance gap between stainless steel and high-cost nickel alloys, providing excellent strength and oxidation resistance in the 600-900℃ range where stainless steels fail rapidly.

– Forms a dense, adherent chromium oxide scale that resists spalling during thermal cycling, preventing material degradation in engine exhaust and combustion environments.

– Maintains sufficient mechanical strength for structural applications at temperatures up to 900℃, making it ideal for non-critical hot-section components.

2. Superior Carburization and Sulfidation Resistance:

– The 30% minimum nickel content provides significantly better resistance to carburization and sulfidation than stainless steels, critical for components exposed to engine combustion products.

– Resists oxidation in both oxidizing and reducing atmospheres, ensuring reliable performance in variable engine operating conditions.

– Excellent resistance to halogen gas corrosion from de-icing fluids and cleaning agents.

3. Exceptional Thermal Stability:

– Maintains a stable austenitic microstructure even after 100,000+ hours of high-temperature exposure, with no harmful σ phase precipitation or grain growth that would cause embrittlement.

– Excellent thermal fatigue resistance, withstanding millions of heating and cooling cycles encountered in aircraft engine operation.

– Good thermal conductivity and moderate thermal expansion coefficient minimize thermal stress in components subjected to rapid temperature changes.

4. Significant Cost Advantage:

– 30-40% lower material cost than Inconel 600 and 50-60% lower than Inconel 625, making it ideal for large-scale aerospace applications where cost is a critical factor.

– Lower processing costs due to excellent formability and machinability, resulting in additional savings for aerospace manufacturers.

– Long service life reduces maintenance and replacement costs, providing a low total cost of ownership.

5. Excellent Formability and Weldability:

– Outstanding cold formability allows for the production of complex shapes such as exhaust ducts, heat exchangers and bellows without cracking or defects.

– Excellent weldability with all conventional welding processes used in aerospace, including TIG, MIG, laser and electron beam welding.

– Retains good mechanical properties and corrosion resistance after welding, ensuring long-term reliability of welded joints.

6. Proven Long-Term Reliability:

– Over 50 years of proven performance in commercial and military aviation applications, with an excellent safety record.

– Extensively tested and qualified by all major aircraft and engine manufacturers.

– Excellent fracture toughness ensures that any potential defects will not propagate catastrophically.

– Applications: Low-pressure turbine components, combustion chamber outer liners, exhaust ducts, bleed air systems, engine nacelles, heat shields, fuel system components and fasteners

– Customers: General Electric Aviation, Pratt & Whitney, Rolls-Royce, Safran Aircraft Engines, CFM International, IAE, Honeywell Aerospace

2. Auxiliary Power Units (APU):

– Applications: Combustion chambers, exhaust systems, heat exchangers, ducting and structural components for aircraft auxiliary power units

– Customers: Honeywell Aerospace, Pratt & Whitney Canada, Safran Power Units, UTC Aerospace Systems

3. Aircraft Environmental Control Systems (ECS):

– Applications: High-temperature ducting, heat exchanger tubes, air conditioning components, cabin pressurization systems and de-icing system components

– Customers: Collins Aerospace, Safran Cabin, Liebherr Aerospace

4. Aerospace Heat Exchangers:

– Applications: Oil coolers, fuel coolers, air-to-air heat exchangers and waste heat recovery units for aircraft engines and systems

– Customers: Parker Hannifin, Eaton Aerospace, UTC Aerospace Systems, Liebherr Aerospace

5. Sensors and Instrumentation:

– Applications: Thermocouple protection tubes, temperature sensor housings, pressure sensor components and instrument tubing for high-temperature engine environments

– Customers: Rosemount Aerospace, Meggitt, Sensata Technologies, UTC Aerospace Systems

6. Aerospace Heat Treatment Equipment:

– Applications: Furnace tubes, retorts, muffles, fixtures and trays for vacuum furnaces, brazing furnaces and heat treatment furnaces used in aerospace component manufacturing

– Customers: Bodycote, Wall Colmonoy, Solar Atmospheres, major aircraft and engine manufacturers’ in-house heat treatment facilities

– Medium-High Temperature Strength: Must maintain sufficient strength and ductility across the entire operating temperature range (-40℃ to 900℃).

– Oxidation and Corrosion Resistance: Must resist oxidation, carburization and sulfidation from engine combustion products for the entire service life of the component.

– Thermal Fatigue Resistance: Must withstand millions of thermal cycles without cracking or failure.

– Thermal Stability: Must maintain a stable microstructure and mechanical properties after long-term high-temperature exposure.

– Weldability: Must be easily weldable while retaining good mechanical properties and corrosion resistance.

– Formability: Must be formable into complex shapes without cracking or defects.

2. Quality and Compliance Requirements:

– AS9100 Certification: Must comply with the AS9100 aerospace quality management system standard.

– AMS Standard Compliance: Must meet all requirements of the applicable AMS aerospace material specifications.

– Full Material Traceability: Must provide 100% traceability from raw material ore to finished product, including all processing steps and test results.

– NADCAP Certification: Non-destructive testing must be performed by NADCAP-accredited facilities.

– First Article Inspection (FAI): Must provide complete first article inspection reports for all new parts.

– Material Certification: Must provide comprehensive material test reports (MTR) with each shipment, including chemical analysis, mechanical properties and non-destructive test results.

3. Manufacturing Requirements:

– Precision Dimensional Tolerances: Must meet extremely tight dimensional tolerances to ensure proper fit and assembly in aircraft systems.

– Surface Quality: Must have a smooth, defect-free surface to prevent fatigue crack initiation and oxidation acceleration.

– Internal Quality: Must be free from internal defects such as inclusions, porosity and segregation, verified by 100% ultrasonic testing.

– Consistent Quality: Must have uniform chemical composition and mechanical properties across all batches and throughout the entire cross-section of the pipe.

– Cleanliness Requirements: Must meet strict cleanliness standards to prevent contamination of aircraft systems.

– Custom Fabrication Capability: Must be able to produce custom sizes, shapes and configurations according to customer drawings.

4. Supply Chain Requirements:

– Reliable Delivery: Must provide on-time delivery to support aircraft production schedules.

– Long-Term Supply Assurance: Must be able to provide a stable supply of material for the entire lifecycle of aircraft programs (up to 50 years).

– Small Batch Capability: Must be able to produce small batch quantities for prototype development and spare parts.

– Global Supply Capability: Must be able to supply to manufacturing facilities worldwide with consistent quality and lead times.

– Emergency Response: Must be able to respond quickly to unexpected demand spikes and AOG (Aircraft On Ground) situations.

5. Cost Requirements:

– Competitive Pricing: Must offer competitive pricing while maintaining the highest quality standards.

– Low Total Cost of Ownership: Must provide lower total cost of ownership through longer service life, reduced maintenance and fewer replacement costs.

– Value-Added Services: Must offer value-added services such as cutting, bending, welding and machining to reduce customer manufacturing costs.

2. Alloy 800 Welded Pipes: Cost-effective solution for large-diameter and low-to-medium pressure applications

3. Alloy 800 U-Bend Pipes: Custom bent pipes for aerospace heat exchangers and ECS systems

4. Alloy 800 Fittings: Elbows, tees, reducers, flanges and couplings for aerospace piping systems

5. Alloy 800 Forgings: Custom forgings including valve bodies, flanges and structural components

6. Alloy 800 Fasteners: Bolts, nuts, screws, studs and washers for medium-high temperature applications

7. Alloy 800 Welding Materials: Electrodes, wires and filler metals specifically formulated for aerospace welding applications

8. Alloy 800 Machined Components: Precision-machined parts including valves, fittings, nozzles and sensor housings

9. Alloy 800 Sheets and Plates: Used for manufacturing heat shields, ducting and structural components

10. Custom Fabricated Assemblies: Pre-fabricated ducting systems, heat exchangers and manifold assemblies

2. AS9100 Certified: Our production facilities are fully certified to AS9100D, the international standard for aerospace quality management systems.

3. Dedicated Aerospace Production Line: We operate a dedicated clean production line for aerospace-grade Alloy 800 pipes, ensuring strict control over chemical composition, mechanical properties and surface quality.

4. Full-Process Quality Control: We implement a comprehensive quality control system from raw material inspection to finished product testing, including 100% ultrasonic testing, eddy current testing and hydrostatic testing for all aerospace-grade pipes.

5. AMS Standard Compliance: All our products are manufactured in strict accordance with AMS 5587, AMS 5588 and other applicable aerospace material standards.

6. Advanced Customization Capability: We can produce custom sizes, lengths, wall thicknesses and end processing according to your drawings and technical specifications, including complex U-bend and coiled pipes.

7. Global Aerospace Supply Chain Experience: We have extensive experience supplying to major aircraft and engine manufacturers worldwide, with reliable logistics partners ensuring on-time delivery to manufacturing facilities anywhere in the world.

8. Professional Aerospace Technical Support: Our team of metallurgical engineers and aerospace specialists provides expert guidance on material selection, design optimization and manufacturing techniques for medium-high temperature aerospace applications.

2. Full Material Traceability: Every pipe comes with a unique heat number and complete traceability documentation from raw material ore to finished product, meeting the strictest aerospace industry requirements.

3. Value-Added Processing: We offer comprehensive value-added services including precision cutting, CNC bending, welding, end processing and surface finishing, providing ready-to-install aerospace components.

4. Prototype Development Support: We support small batch prototype orders with fast turnaround times to help you accelerate product development and testing for new aerospace programs.

5. Long-Term Supply Assurance: We maintain strategic inventory levels to ensure a stable supply of material for the entire lifecycle of aircraft programs.

6. AOG Emergency Service: We provide 24/7 emergency response service for Aircraft On Ground (AOG) situations, with expedited production and shipping available.

7. Market Growth: The global aerospace Alloy 800 market is projected to grow at a CAGR of over 5% through 2030, driven by increasing demand for new commercial aircraft and the need for cost-effective high-temperature materials.

8. Sustainability Commitment: All our products are manufactured using sustainable practices and are 100% recyclable, helping you meet your environmental targets and comply with global sustainability regulations.

2. Waterproof Film: Each pipe is individually wrapped in waterproof and anti-corrosion film to protect against moisture and rust

3. Bundle Packing: Pipes of the same size are bundled together with steel straps and wooden spacers to prevent contact and damage

4. Wooden Case: Bundles are packed in sturdy fumigated wooden cases with steel reinforcement to prevent damage during international shipping

5. Export Standard Packing: All packaging complies with international export standards and ISPM 15 regulations for wooden packaging

6. Marking: Each package is clearly marked with product specifications, heat number, quantity, gross weight, net weight and destination information