Alloy 713C,Inconel 713C Fittings,,E FORU

British Specs:，American Specs:，German Specs:

### **Product Introduction: Alloy 713C / INCONEL® 713C Fittings** #### **Overview** INCONEL® 713C fittings are precision-engineered components specifically designed for high-temperature piping systems requiring exceptional strength and oxidation resistance. These investment-cast or machined fittings maintain outstanding mechanical properties and structural integrity at temperatures up to 980°C (1800°F), making them ideal for critical applications in aerospace, power generation, and industrial processing sectors. --- ### **Key Features & Advantages** - **Excellent high-temperature strength** and creep rupture properties - **Good oxidation resistance** up to 980°C (1800°F) - **Superior structural stability** during prolonged high-temperature exposure - **Excellent thermal fatigue resistance** under cycling conditions - **Precise dimensional accuracy** and reliable performance - **Good weldability** with proper procedures and filler materials --- ### **Chemical Composition (Typical % Weight)** | Element | Content (%) | Role in Alloy | |---------|-------------|---------------| | **Nickel (Ni)** | Balance | Matrix element providing high-temperature strength | | **Chromium (Cr)** | 12.0-14.0 | Oxidation and corrosion resistance | | **Molybdenum (Mo)** | 3.8-5.2 | Solid solution strengthening | | **Niobium (Nb)** | 1.8-2.5 | Formation of strengthening phases | | **Titanium (Ti)** | 0.5-1.0 | Precipitation hardening element | | **Aluminum (Al)** | 5.5-6.5 | Forms protective oxide scale and gamma prime phase | | **Iron (Fe)** | 1.0 max | - | | **Zirconium (Zr)** | 0.05-0.15 | Improves creep properties | | **Boron (B)** | 0.005-0.015 | Grain boundary strengthening | | **Carbon (C)** | 0.08-0.20 | Carbide formation for strength | | **Manganese (Mn)** | 0.25 max | - | | **Silicon (Si)** | 0.50 max | - | --- ### **Physical Properties** | Property | Value | |---------|-------| | **Density** | 7.91 g/cm³ (0.286 lb/in³) | | **Melting Range** | 1260-1340°C (2300-2445°F) | | **Thermal Conductivity** | 13.4 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** | 206 GPa (30 x 10^6 psi) | | **Electrical Resistivity** | 1.25 μΩ·m at 20°C | --- ### **Mechanical Properties (Heat Treated Condition)** #### **Room Temperature Properties** | Property | Value | |---------|-------| | **Tensile Strength** | 850-1050 MPa (123-152 ksi) | | **Yield Strength (0.2% Offset)** | 680-850 MPa (99-123 ksi) | | **Elongation** | 8-15% | | **Hardness** | HRC 28-36 | | **Impact Strength** | 25-40 J (18-30 ft-lb) | #### **Elevated Temperature Properties** - **Stress Rupture Strength**: 240 MPa (35 ksi) at 815°C (1500°F) for 100 hours - **Creep Strength**: Excellent long-term performance at high temperatures - **Thermal Fatigue Resistance**: Superior performance under thermal cycling - **Pressure Integrity**: Maintains sealing capability at high temperatures --- ### **International Standards** | Standard | Specification | Application | |----------|---------------|-------------| | **ASTM** | A494 | Castings for Nickel and Nickel Alloy | | **ASME** | B366 | Wrought Fittings | | **MSS** | SP-43 | Lightweight Fittings | | **UNS** | N07713 | Unified Numbering System | | **AMS** | AMS 5391 | Investment Castings | --- ### **Product Range & Specifications** #### **Fitting Types Available** - **Elbows**: 45°, 90°, 180° angles (cast or wrought) - **Tees**: Equal and reducing types - **Reducers**: Concentric and eccentric - **Caps**: End closures - **Stub Ends**: Lap joint fittings - **Crosses**: Four-way connections #### **Size Range & Pressure Ratings** - **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 for Fittings:** - **Solution Treatment**: 1120-1150°C (2050-2100°F), rapid cooling - **Aging Treatment**: 980-1010°C (1800-1850°F) for 4-8 hours, air cooling **Special Considerations:** - Uniform heating and cooling for complex geometries - Stress relief after casting or machining operations - Solution annealing after welding operations - Controlled atmosphere for surface protection --- ### **Product Applications** #### **Aerospace & Defense** - **Rocket Propulsion Systems**: Fuel and oxidizer line fittings - **Jet Engine Systems**: Afterburner and exhaust components - **Space Vehicle Systems**: Propellant handling system fittings - **Military Applications**: High-temperature hydraulic system components #### **Power Generation** - **Gas Turbine Systems**: Exhaust and combustion air piping fittings - **Heat Recovery Systems**: Steam generator connections - **Nuclear Applications**: High-temperature instrumentation fittings - **Advanced Power Systems**: Supercritical CO₂ system components #### **Industrial Processing** - **Chemical Processing**: High-temperature reactor outlet fittings - **Petrochemical**: Reformer furnace transfer line components - **Heat Treatment**: Furnace charge system fittings - **Glass Manufacturing**: High-temperature process piping components #### **Specialized Applications** - **Test Facilities**: High-temperature research and development - **Semiconductor**: High-purity gas delivery system fittings - **Energy Research**: Advanced power cycle components - **Industrial Heating**: High-temperature thermal fluid system fittings --- ### **Fabrication & Installation** #### **Welding Procedures** - **Preferred Method**: GTAW (TIG) with proper pre-heat - **Filler Metal**: Specialized nickel-based alloys (INCONEL 625 filler often used) - **Pre-heat Requirements**: 200-300°C (400-570°F) recommended - **Post-Weld Heat Treatment**: Essential for restoring properties - **Shielding Gas**: Argon or argon-helium mixtures #### **Installation Guidelines** - **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 - **Angle and Straightness**: Geometric tolerance checking --- ### **Performance Characteristics** #### **Oxidation Resistance** - **Continuous Service**: Up to 980°C (1800°F) - **Cyclic Oxidation**: Good resistance to spalling - **Scaling Resistance**: Minimal weight gain at high temperatures - **Surface Stability**: Forms protective, adherent oxide layer #### **Corrosion Resistance** - **Oxidation Resistance**: Excellent in high-temperature air environments - **Carburization Resistance**: Good in hydrocarbon environments - **Sulfidation Resistance**: Moderate in sulfur-containing atmospheres - **Chloride Resistance**: Limited in chloride-containing environments --- ### **Why Choose Our INCONEL 713C Fittings?** - **Manufacturing Expertise**: Advanced casting and machining technology - **Quality Assurance**: Comprehensive testing and certification - **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 713C 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 2997 gallon liquid totes Special package is available on request.