Alloy 617，Inconel 617 Forgings，UNS N06617，EFORU

British Specs:，American Specs:AMS 5887 Bar and Forgings AMS 5888 Plate AMS 5889 Sheet and Strip，German Specs:WS 2.4663a

### **Alloy 617 / Inconel 617 Forgings / UNS N06617 – Nickel-Chromium-Cobalt-Molybdenum Alloy Forgings** **Product Overview** Inconel 617 Forgings (UNS N06617) are high-integrity components manufactured through controlled forging processes from nickel-chromium-cobalt-molybdenum alloy. These forgings offer superior mechanical properties, enhanced grain structure, and improved reliability compared to cast or fabricated components. The forging process ensures optimal grain flow orientation, resulting in exceptional strength, toughness, and resistance to high-temperature corrosion, making them ideal for critical applications in gas turbine, aerospace, chemical processing, and power generation industries operating at temperatures up to 1200°C (2192°F). --- **Chemical Composition (ASTM B564)** | Element | Content (%) | |----------------|----------------| | **Nickel (Ni)** | 44.5 min | | **Chromium (Cr)**| 20.0–24.0 | | **Cobalt (Co)** | 10.0–15.0 | | **Molybdenum (Mo)**| 8.0–10.0 | | **Aluminum (Al)**| 0.8–1.5 | | **Iron (Fe)** | 3.0 max | | **Carbon (C)** | 0.05–0.15 | | **Manganese (Mn)**| 1.0 max | | **Silicon (Si)** | 1.0 max | | **Sulfur (S)** | 0.015 max | *The forging process enhances the material's inherent high-temperature properties through grain refinement and directional strengthening.* --- **Physical Properties** | Property | Value | |-------------------------------|---------------------------------| | **Density** | 8.36 g/cm³ (0.302 lb/in³) | | **Melting Range** | 1330–1380°C (2426–2516°F) | | **Electrical Resistivity** | 125 μΩ·cm (at 21°C) | | **Thermal Conductivity** | 13.4 W/m·K (at 100°C) | | **Mean Coefficient of Thermal Expansion** | 12.8 μm/m·°C (20–100°C) | | **Modulus of Elasticity** | 211 GPa (30,600 ksi) | | **Magnetic Permeability** | <1.005 (Essentially non-magnetic)| --- **Mechanical Properties (Forgings – Solution Annealed)** | Property | Room Temperature | 815°C (1500°F) | 980°C (1800°F) | |-----------------------------|------------------|----------------|----------------| | **Tensile Strength** | 730–900 MPa | 350–450 MPa | 150–200 MPa | | **Yield Strength (0.2% Offset)** | 310–450 MPa | 220–300 MPa | 120–160 MPa | | **Elongation in 4D** | 35–50% | 40–55% | 55–70% | | **Reduction of Area** | 45–65% | 50–70% | 60–80% | | **Hardness** | 85–100 HRB | 75–90 HRB | 60–75 HRB | | **Impact Strength (Charpy V-Notch)** | 80–120 J | 60–90 J | 40–70 J | --- **Forging Types & Manufacturing Processes** **Forging Methods** - **Open-Die Forgings**: Custom shapes and large components - **Closed-Die Forgings**: High-precision complex geometries - **Rolled Rings**: Circular components with radial grain flow - **Press Forgings**: Uniform deformation and controlled strain rates **Available Forging Forms** - Turbine discs and wheels - Valve bodies and components - Pump casings and impellers - Flanges and fittings - Special shaped components **Size Capabilities** - **Weight Range**: Up to 5000 kg (11,000 lbs) - **Dimensions**: Custom sizes per drawing requirements - **Complexity**: Simple to highly complex geometries - **Tolerances**: Commercial and precision grades available --- **Key Characteristics & Advantages** 1. **Superior Grain Structure** – Forging process aligns grain flow with component shape 2. **Enhanced Mechanical Properties** – Improved strength, ductility, and fatigue resistance 3. **Exceptional High-Temperature Performance** – Maintains properties up to 1200°C (2192°F) 4. **Outstanding Oxidation Resistance** – Superior performance in oxidizing atmospheres 5. **Reduced Defects** – Elimination of porosity and inclusions 6. **Improved Reliability** – Consistent properties throughout the component 7. **Excellent Carburization Resistance** – Superior performance in carburizing environments --- **Product Applications** **Gas Turbine Components** - Turbine discs and wheels - Combustor casings - Compressor components - Afterburner parts - Hot gas path components **Aerospace & Defense** - Rocket engine components - Jet engine structural parts - Missile components - High-temperature fasteners - Turbine shafts **Chemical Processing** - High-pressure valve bodies - Reactor vessel components - Pump shafts and impellers - Mixer and agitator shafts - High-temperature fittings **Power Generation** - Turbine blades and wheels - Heat exchanger components - Boiler feed pump parts - Nuclear reactor components - High-pressure steam parts **Oil & Gas Industry** - Wellhead components - Christmas tree parts - Valve and fitting forgings - Downhole tool components --- **International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | **N06617** | Unified Numbering System | | **ASTM** | B564 | Nickel Alloy Forgings | | **ASME** | SB564 | Boiler and Pressure Vessel Code | | **AMS** | 5884 | Aerospace Material Specification | | **DIN** | 2.4663 | German Standard | | **EN** | NiCr23Co12Mo | European Standard | --- **Manufacturing Process & Quality Assurance** **Forging Process Stages** 1. **Material Selection**: Certified raw material with full traceability 2. **Heating**: Controlled furnace heating to 1175–1230°C (2150–2250°F) 3. **Forging Operation**: Precision deformation under controlled conditions 4. **Heat Treatment**: Solution annealing and stress relieving 5. **Machining**: Final dimensional achievement 6. **Testing & Inspection**: Comprehensive quality verification **Heat Treatment Specifications** - **Solution Annealing**: 1150–1200°C (2100–2200°F), rapid cool - **Stress Relieving**: 870–980°C (1600–1800°F), air cool - **Quenching**: Water or rapid air cooling - **Certification**: Full heat treatment documentation **Quality Control Procedures** - Ultrasonic testing per ASTM A388 - Liquid penetrant examination - Magnetic particle testing - Dimensional verification - Mechanical testing from prolongs - Macroetch examination --- **High-Temperature Performance** **Oxidation Resistance** - **Continuous Service**: Up to 1150°C (2102°F) - **Cyclic Service**: Up to 1100°C (2012°F) - **Oxidation Rate**: <2 mg/cm²/100h at 1100°C - **Scale Formation**: Thin, adherent, and self-healing Cr₂O₃ and Al₂O₃ scale **Creep and Rupture Properties** - **1000h Rupture Strength at 980°C**: 48 MPa (7 ksi) - **1000h Rupture Strength at 1095°C**: 17 MPa (2.5 ksi) - **Minimum Creep Rate**: 0.0001%/h at 980°C --- **Technical Specifications** **Forging Quality Levels** - **Class 1**: Standard commercial quality - **Class 2**: Improved quality with additional testing - **Class 3**: Premium quality for critical applications - **Class 4**: Nuclear quality with extensive documentation **Grain Flow Requirements** - **Type 1**: Continuous grain flow in primary stress direction - **Type 2**: Modified grain flow for complex shapes - **Type 3**: Custom grain flow per specific requirements --- **Corrosion Resistance Performance** **Excellent Resistance To** - High-temperature oxidation - Carburizing atmospheres - Nitriding environments - Sulfur-containing gases - Molten salt corrosion **Good Resistance To** - Nitric acid solutions - Organic compounds - Alkaline environments - Atmospheric corrosion - Steam and condensate --- **Design & Engineering Support** **Design Considerations** - **Grain Orientation**: Optimized for loading conditions - **Section Transitions**: Smooth radius transitions required - **Machining Allowance**: Appropriate stock for final machining - **Testing Provisions**: Incorporated for quality verification **Engineering Services** - **Design Optimization**: Forging design for manufacturability - **Process Simulation**: Finite element analysis available - **Material Selection**: Technical support for application requirements - **Quality Planning**: Comprehensive inspection planning --- **Certification & Documentation** **Standard Certification** - Mill Test Certificates per EN 10204 3.1/3.2 - Chemical analysis reports - Mechanical test certificates - Heat treatment records - Non-destructive examination reports - Material traceability documentation **Special Certifications** - **Nuclear**: ASME NCA-3800 requirements - **Aerospace**: NADCAP accreditation - **Marine**: ABS, DNV, LR approvals - **Pressure Vessel**: ASME Section VIII requirements --- **Conclusion** Inconel 617 Forgings (UNS N06617) represent the highest quality form of this nickel-chromium-cobalt-molybdenum alloy, offering superior mechanical properties, enhanced reliability, and exceptional high-temperature performance. The forging process ensures optimal grain structure and directional properties, making these components ideal for the most demanding applications in gas turbine, aerospace, chemical processing, and power generation industries. With comprehensive quality assurance, international certifications, and proven performance in extreme environments, Inconel 617 forgings provide engineers with a trusted solution for critical components where safety, reliability, and longevity are paramount requirements.

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 1750 gallon liquid totes Special package is available on request.