Alloy 700,Inconel 700 Fittings,,E FORU

British Specs:，American Specs:，German Specs:

### **Product Introduction: Alloy 700 / INCONEL® 700 Fittings** #### **Overview** INCONEL® 700 (Alloy 700) fittings are precision-engineered components designed for high-temperature, high-pressure applications in extreme environments. These precipitation-hardenable nickel-chromium alloy fittings maintain exceptional strength, oxidation resistance, and structural integrity at temperatures up to 980°C (1800°F), making them ideal for critical piping systems in aerospace, power generation, and chemical processing industries. --- ### **Key Features & Advantages** - **Exceptional high-temperature strength** and creep resistance - **Superior oxidation resistance** up to 980°C (1800°F) - **Excellent corrosion resistance** in various aggressive media - **Precipitation hardenable** for optimized mechanical properties - **Precise dimensional accuracy** and superior surface finish - **Excellent weldability** and fabrication characteristics - **Long service life** in extreme operating conditions --- ### **Chemical Composition (Typical % Weight)** | Element | Content (%) | Role in Alloy | |---------|-------------|---------------| | **Nickel (Ni)** | Balance | Provides corrosion resistance and matrix strength | | **Chromium (Cr)** | 14.0-17.0 | Enhances oxidation and corrosion resistance | | **Molybdenum (Mo)** | 3.25-4.25 | Solid solution strengthening | | **Titanium (Ti)** | 2.25-2.75 | Precipitation hardening element | | **Aluminum (Al)** | 2.25-2.75 | Precipitation hardening element | | **Iron (Fe)** | 1.0 max | - | | **Cobalt (Co)** | 1.0 max | - | | **Carbon (C)** | 0.12 max | - | | **Boron (B)** | 0.006-0.015 | Grain boundary strengthening | | **Manganese (Mn)** | 0.50 max | - | | **Silicon (Si)** | 0.50 max | - | --- ### **Physical Properties** | Property | Value | |---------|-------| | **Density** | 7.81 g/cm³ (0.282 lb/in³) | | **Melting Point** | 1330-1360°C (2425-2480°F) | | **Thermal Conductivity** | 14.2 W/m·K at 20°C | | **Thermal Expansion** | 13.7 μm/m·K at 20-100°C | | **Specific Heat** | 456 J/kg·K at 20°C | | **Modulus of Elasticity** | 214 GPa (31 x 10^6 psi) | | **Magnetic Permeability** | Essentially non-magnetic | --- ### **Mechanical Properties (Heat Treated Condition)** #### **Room Temperature Properties** | Property | Value | |---------|-------| | **Tensile Strength** | 1200-1350 MPa (174-196 ksi) | | **Yield Strength (0.2% Offset)** | 830-1000 MPa (120-145 ksi) | | **Elongation** | 15-25% | | **Reduction of Area** | 20-35% | | **Hardness** | HRC 30-38 | | **Impact Strength** | 35-50 J (26-37 ft-lb) | #### **Elevated Temperature Properties** - **Stress Rupture Strength**: 170 MPa (25 ksi) at 815°C (1500°F) for 100 hours - **Creep Strength**: Excellent resistance to deformation at high temperatures - **Thermal Fatigue Resistance**: Superior performance under thermal cycling - **Maintains 70% of room temperature strength** at 870°C (1600°F) --- ### **International Standards** | Standard | Specification | Application | |----------|---------------|-------------| | **ASTM** | B366 | Wrought Fittings | | **ASME** | SB366 | Boiler and Pressure Vessel Code | | **MSS** | SP-43 | Lightweight Fittings | | **UNS** | N07700 | Unified Numbering System | | **DIN** | 2.4953 | German Standard | --- ### **Product Range & Specifications** #### **Fitting Types Available** - **Elbows**: 45°, 90°, 180° angles - **Tees**: Equal and reducing types - **Reducers**: Concentric and eccentric - **Caps**: End closures - **Stub Ends**: Lap joint fittings - **Crosses**: Four-way connections #### **Size Range** - **Pipe Sizes**: 1/8" to 24" NPS - **Wall Thickness**: Schedule 5S to XXS - **Pressure Ratings**: 150# to 2500# - **End Connections**: Butt-weld, socket-weld, threaded #### **Manufacturing Standards** - **Dimensional**: ASME B16.9, B16.11, B16.28 - **Tolerance**: Standard and special tolerances available - **Surface Finish**: Smooth ID/OD surfaces for optimal flow --- ### **Heat Treatment** **Standard Heat Treatment Cycle:** - **Solution Treatment**: 980-1010°C (1800-1850°F), rapid cooling - **Aging Treatment**: 705-760°C (1300-1400°F) for 16-24 hours, air cooling **Special Considerations for Fittings:** - Uniform heating and cooling for complex geometries - Stress relief after forming operations - Localized heat treatment for repair and modification - Solution annealing after welding operations --- ### **Product Applications** #### **Aerospace & Defense** - **Rocket Propulsion Systems**: Fuel and oxidizer lines - **Aircraft Engines**: Exhaust manifolds, afterburner systems - **Space Vehicle Systems**: Propellant handling systems - **Test Facility Piping**: High-temperature test stands #### **Power Generation** - **Gas Turbine Systems**: Fuel gas piping, exhaust connections - **Nuclear Power Plants**: Primary circuit components - **Advanced Power Systems**: Supercritical CO₂ systems - **Heat Recovery Systems**: High-temperature ducting #### **Industrial Applications** - **Chemical Processing**: Reactor outlet systems, transfer lines - **Petrochemical**: Reformer furnace connections, transfer lines - **Heat Treatment**: Furnace charge systems, quench lines - **Semiconductor**: High-purity gas delivery systems --- ### **Fabrication & Installation** #### **Welding Procedures** - **GTAW (TIG) Preferred**: For optimum quality - **Matching Filler Metals**: INCONEL Filler Metal 700 - **Pre-heat Requirements**: Generally not required - **Interpass Temperature**: Max 150°C (300°F) - **Post-Weld Heat Treatment**: Recommended for optimal properties #### **Installation Best Practices** - **Proper Alignment**: Minimize installation stresses - **Support Design**: Accommodate thermal expansion - **Gasket Selection**: High-temperature compatible materials - **Bolting Materials**: Matching thermal expansion characteristics #### **Quality Control During Installation** - **Dimensional Verification**: Fit-up and alignment checks - **Weld Inspection**: NDT per applicable codes - **Pressure Testing**: Hydrostatic or pneumatic testing - **Documentation**: As-built records and certifications --- ### **Quality Assurance & Testing** #### **Material Certification** - **Chemical Analysis**: Verify composition compliance - **Mechanical Tests**: Tensile, hardness, impact properties - **Microstructure**: Grain size and phase distribution - **Traceability**: Heat number and material lot tracking #### **Non-Destructive Examination** - **Visual Inspection**: Surface quality assessment - **Dye Penetrant Testing**: Surface defect detection - **Radiographic Testing**: Internal quality verification - **Ultrasonic Testing**: Wall thickness and integrity #### **Dimensional Verification** - **Wall Thickness**: Ultrasonic measurement - **Outside Diameter**: Precision gauging - **Bevel Dimensions**: Weld preparation verification - **Straightness & Roundness**: Geometric tolerance checking --- ### **Why Choose Our INCONEL 700 Fittings?** - **Manufacturing Expertise**: Decades of experience in high-performance alloy fabrication - **Quality Assurance**: Comprehensive testing and certification programs - **Technical Support**: Engineering expertise for application guidance - **Global Standards Compliance**: Certified to international quality standards - **Proven Performance**: Established track record in critical applications - **Custom Solutions**: Tailored designs for special requirements **Contact us today for technical specifications and quotation for INCONEL 700 fitting products. Our engineering team provides comprehensive support from design through installation.** --- *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 2971 gallon liquid totes Special package is available on request.