Alloy 702,Inconel 702 Forgings,UNS N07702,E FORU

British Specs:，American Specs: AMS 5550 Sheet, Strip and Plate，German Specs:

### **Product Introduction: Alloy 702 / INCONEL® 702 Forgings (UNS N07702)** #### **Overview** INCONEL® 702 (UNS N07702) forgings represent premium-grade components manufactured through controlled thermomechanical processing to achieve superior mechanical properties and structural integrity. These nickel-chromium-aluminum alloy forgings offer exceptional oxidation resistance and high-temperature strength up to 1200°C (2200°F), making them ideal for critical applications in extreme thermal environments. --- ### **Key Features & Advantages** - **Superior grain structure** with optimized directional properties - **Enhanced mechanical strength** through controlled deformation - **Exceptional oxidation resistance** up to 1200°C (2200°F) - **Excellent high-temperature creep** and rupture strength - **Improved fatigue resistance** and structural reliability - **Reduced defect probability** compared to cast components - **Excellent reproducibility** and quality consistency --- ### **Chemical Composition (Typical % Weight)** | Element | Content (%) | Role in Alloy | |---------|-------------|---------------| | **Nickel (Ni)** | Balance | Matrix element providing high-temperature strength | | **Chromium (Cr)** | 14.0-17.0 | Primary oxidation resistance | | **Aluminum (Al)** | 2.75-3.75 | Forms protective alumina scale | | **Iron (Fe)** | 0.5-2.5 | - | | **Titanium (Ti)** | 0.25-0.75 | Precipitation hardening element | | **Zirconium (Zr)** | 0.01-0.10 | Enhances oxidation resistance | | **Manganese (Mn)** | 0.50 max | - | | **Silicon (Si)** | 0.50 max | - | | **Copper (Cu)** | 0.50 max | - | | **Carbon (C)** | 0.05 max | - | --- ### **Physical Properties** | Property | Value | |---------|-------| | **Density** | 7.95 g/cm³ (0.287 lb/in³) | | **Melting Point** | 1370-1425°C (2500-2600°F) | | **Thermal Conductivity** | 15.1 W/m·K at 20°C | | **Thermal Expansion** | 14.2 μm/m·K at 20-100°C | | **Specific Heat** | 460 J/kg·K at 20°C | | **Modulus of Elasticity** | 221 GPa (32 x 10^6 psi) | --- ### **Mechanical Properties (Forgings - Aged Condition)** #### **Room Temperature Properties** | Property | Value | |---------|-------| | **Tensile Strength** | 850-1050 MPa (123-152 ksi) | | **Yield Strength (0.2% Offset)** | 550-700 MPa (80-102 ksi) | | **Elongation** | 15-25% | | **Reduction of Area** | 20-35% | | **Hardness** | HRB 95-105 | | **Impact Strength** | 40-60 J (30-44 ft-lb) | #### **Elevated Temperature Properties** - **Stress Rupture Strength**: 60 MPa (8.7 ksi) at 980°C (1800°F) for 100 hours - **Creep Strength**: Superior long-term performance - **Thermal Fatigue Resistance**: Excellent under thermal cycling conditions - **Structural Stability**: Maintains dimensional integrity at high temperatures --- ### **International Standards** | Standard | Specification | Application | |----------|---------------|-------------| | **ASTM** | B564 | Nickel Alloy Forgings | | **ASME** | SB564 | Boiler and Pressure Vessel Code | | **AMS** | AMS 5703 | Forged or Rolled Rings | | **UNS** | N07702 | Unified Numbering System | | **DIN** | 2.4665 | German Standard | --- ### **Forging Process Capabilities** #### **Manufacturing Methods** - **Open-Die Forging**: For large, simple shapes - **Closed-Die Forging**: For complex, net-shape components - **Ring Rolling**: For circular and annular components - **Isothermal Forging**: For critical aerospace components #### **Size Range & Capacity** - **Weight Range**: 1 kg to 3000 kg (2.2 lb to 6600 lb) - **Maximum Dimensions**: 3500mm length, 2000mm diameter - **Wall Thickness**: 10mm to 600mm (0.4" to 24") - **Complexity**: Ability to produce intricate geometries #### **Quality Levels** - **Commercial Grade**: Standard industrial applications - **Aerospace Grade**: Stringent quality requirements - **Nuclear Grade**: Highest quality standards - **Custom Specifications**: Customer-specific requirements --- ### **Heat Treatment** **Standard Heat Treatment Cycle:** - **Solution Treatment**: 1150-1200°C (2100-2200°F), rapid cooling - **Aging Treatment**: 800-850°C (1470-1560°F) for 16-24 hours, air cooling **Special Forging Considerations:** - **Pre-forging Heating**: Uniform temperature distribution - **Forging Temperature Range**: 1100-1180°C (2010-2160°F) - **Post-forging Cooling**: Controlled cooling rates - **Grain Size Control**: Through thermomechanical processing --- ### **Product Applications** #### **Aerospace & Defense** - **Turbine Components**: Disks, hubs, and rotating parts - **Rocket Motor Components**: Nozzle supports and casing segments - **Jet Engine Parts**: Combustion chambers and afterburner components - **Space Vehicle Systems**: Structural members and support frames #### **Industrial Heating & Processing** - **Furnace Components**: Radiant tubes, retorts, and muffles - **Heat Treatment Fixtures**: Baskets, trays, and support structures - **Glass Manufacturing**: Forming tools and mold components - **Chemical Processing**: Reactor vessels and agitator shafts #### **Power Generation** - **Gas Turbine Parts**: Rotor components and turbine wheels - **Nuclear Applications**: Core structural components - **Heat Exchanger Parts**: Headers and manifold systems - **Advanced Energy Systems**: High-temperature structural parts #### **Specialized Applications** - **Petrochemical**: Reformer furnace components - **Marine Propulsion**: Gas turbine engine parts - **Research Equipment**: High-temperature test fixtures - **Medical Equipment**: Radiation therapy components --- ### **Quality Assurance & Testing** #### **Non-Destructive Testing** - **Ultrasonic Testing**: Internal quality assessment - **Dye Penetrant Inspection**: Surface defect detection - **Magnetic Particle Testing**: Surface and near-surface flaws - **Radiographic Testing**: Internal structure verification #### **Destructive Testing** - **Tensile Testing**: Mechanical property verification - **Impact Testing**: Toughness evaluation at various temperatures - **Hardness Testing**: Uniformity throughout cross-section - **Metallographic Analysis**: Grain structure and phase examination #### **Certification & Documentation** - **Material Traceability**: Full heat-to-part tracking - **Process Documentation**: Complete forging parameter records - **Heat Treatment Records**: Time-temperature documentation - **Final Inspection Reports**: Comprehensive quality certification --- ### **Design & Engineering Support** #### **Technical Capabilities** - **Finite Element Analysis**: Stress and thermal analysis - **Process Simulation**: Forging process optimization - **Material Selection Guidance**: Application-specific recommendations - **Design for Manufacturing**: Optimized component design #### **Custom Engineering Services** - **Prototype Development**: Rapid component development - **Testing and Validation**: Performance verification - **Failure Analysis**: Root cause investigation - **Life Assessment**: Remaining life evaluation --- ### **Why Choose Our INCONEL 702 Forgings?** - **Advanced Forging Technology**: State-of-the-art equipment and processes - **Quality Excellence**: Stringent quality control throughout manufacturing - **Technical Expertise**: Decades of experience in high-performance alloys - **Global Certification**: Compliance with international standards - **Proven Performance**: Established track record in critical applications - **Customer Partnership**: Collaborative approach to meeting requirements **Contact us today to discuss your INCONEL 702 forging requirements. Our engineering team provides comprehensive support from design through final certification.** --- *Disclaimer: INCONEL® is a registered trademark of Special Metals Corporation. The information provided is for technical reference only. Final material selection should be verified through appropriate testing and engineering analysis for specific applications.*

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2985 gallon liquid totes Special package is available on request.