Alloy 617，Inconel 617 Rod，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 Rod / UNS N06617 – Nickel-Chromium-Cobalt-Molybdenum Alloy Rod** **Product Overview** Inconel 617 Rod (UNS N06617) is a nickel-chromium-cobalt-molybdenum alloy rod with aluminum addition, specifically engineered for high-temperature applications requiring exceptional strength, oxidation resistance, and structural stability. The rod form provides excellent machinability and mechanical properties for components operating in extreme thermal environments up to 1200°C (2192°F). Its unique composition offers outstanding performance in combustion atmospheres, chemical processing conditions, and high-temperature structural applications. --- **Chemical Composition (ASTM B166)** | 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 balanced composition provides exceptional high-temperature strength through solid solution strengthening and formation of protective chromium and aluminum oxide scales.* --- **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 (Rod – Solution Annealed Condition)** | 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** | 40–55% | 45–60% | 60–75% | | **Reduction of Area** | 55–70% | 60–75% | 70–85% | | **Hardness** | 85–100 HRB | 70–85 HRB | 55–70 HRB | **Hot Finished Rod Properties** - **Tensile Strength**: 760–930 MPa (110–135 ksi) - **Yield Strength**: 340–480 MPa (49–70 ksi) - **Elongation**: 35–50% --- **Rod Specifications & Available Forms** **Rod Types** - Hot finished round rod - Cold finished precision rod - Centerless ground rod - Turned and polished rod - Forged rod **Diameter Ranges** - **Hot Finished**: 6 mm to 300 mm (0.25" to 12") - **Cold Finished**: 3 mm to 100 mm (0.125" to 4") - **Centerless Ground**: 3 mm to 75 mm (0.125" to 3") - **Length**: Standard 3–6 meters (10–20 feet), cut to size available **Surface Conditions** - Hot rolled, annealed, and pickled - Cold drawn, annealed, and pickled - Centerless ground and polished - Turned and polished for precision applications --- **Key Characteristics & Advantages** 1. **Exceptional High-Temperature Strength** – Maintains mechanical properties up to 1200°C (2192°F) 2. **Outstanding Oxidation Resistance** – Excellent performance in oxidizing atmospheres up to 1150°C (2102°F) 3. **Excellent Carburization Resistance** – Superior performance in carburizing environments 4. **Good Thermal Stability** – Resists thermal fatigue and microstructural degradation 5. **Excellent Machinability** – Can be machined to precise tolerances using standard methods 6. **Good Weldability** – Can be welded using common welding techniques 7. **Resistance to Sulfur Attack** – Performs well in sulfur-containing atmospheres --- **Product Applications** **Gas Turbine Components** - Combustion chamber support rods - Turbine blade retention pins - Afterburner structural members - Hot gas path components - Seal support rods **Aerospace & Defense** - Rocket engine structural members - Jet engine mounting components - High-temperature fasteners - Missile guidance system mounts - Thermal protection system supports **Chemical Processing** - Reactor agitator shafts - High-temperature valve stems - Process heater components - Catalytic reactor internals - Reform furnace components **Power Generation** - Heat recovery system components - Advanced boiler parts - High-temperature bolting - Turbine structural members - Nuclear reactor components (helium-cooled) **Heat Treatment Industry** - Furnace roller shafts - Retort support members - Heat treatment fixture rods - Radiant tube supports - Annealing line components --- **International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | **N06617** | Unified Numbering System | | **ASTM** | B166 | Nickel-Chromium-Iron Alloy Rod and Bar | | **ASME** | SB166 | Boiler and Pressure Vessel Code | | **AMS** | 5884 | Aerospace Material Specification | | **DIN** | 2.4663 | German Standard | | **EN** | NiCr23Co12Mo | European Standard | --- **Machining & Fabrication** **Machining Parameters** - **Cutting Speed**: 10–20 m/min (30–65 SFM) for turning - **Feed Rate**: 0.10–0.20 mm/rev (0.004–0.008 IPR) - **Depth of Cut**: 1.5–3.0 mm (0.060–0.120 inches) - **Tool Material**: Carbide with positive rake angles - **Coolant**: Required for optimum tool life and surface finish **Welding Characteristics** - **Weldability**: Excellent with proper procedures - **Methods**: GTAW (TIG), GMAW (MIG), SMAW - **Filler Metals**: ERNiCrCoMo-1, ENiCrCoMo-1 - **Preheat**: Not required - **Post-Weld Heat Treatment**: Generally not necessary **Forming Operations** - **Hot Working Temperature**: 1175–1230°C (2150–2250°F) - **Cold Working**: Good capability with intermediate annealing - **Annealing Temperature**: 1150–1200°C (2100–2200°F) --- **Heat Treatment** **Solution Annealing** - **Temperature**: 1150–1200°C (2100–2200°F) - **Time**: 30 minutes to 2 hours depending on diameter - **Cooling**: Rapid air cool or water quench - **Atmosphere**: Controlled atmosphere recommended **Stress Relieving** - **Temperature**: 870–980°C (1600–1800°F) - **Time**: 1–4 hours depending on section size - **Cooling**: Air cool to room temperature --- **Quality Assurance & Testing** **Standard Testing** - Chemical analysis verification - Tensile testing at room temperature - Hardness testing (Rockwell B) - Macroetch examination - Dimensional verification **Non-Destructive Testing** - Ultrasonic testing per ASTM A388 - Liquid penetrant examination - Magnetic particle testing (when applicable) **Certification Requirements** - Mill Test Certificates per EN 10204 3.1 - Chemical analysis certificates - Mechanical test reports - Heat treatment records - NDE reports as specified --- **High-Temperature Performance Data** **Oxidation Resistance** - **Maximum Continuous Temperature**: 1150°C (2102°F) - **Cyclic Oxidation Life**: Excellent up to 1100°C (2012°F) - **Oxidation Rate**: <0.5 mm/year at 1100°C - **Scale Adherence**: Excellent, forms protective Cr₂O₃ and Al₂O₃ scales **Creep Properties** - **1000h Rupture Strength at 980°C**: 48 MPa (7 ksi) - **1000h Rupture Strength at 1095°C**: 17 MPa (2.5 ksi) - **Creep Strength (1% in 1000h) at 980°C**: 28 MPa (4 ksi) --- **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 water vapor --- **Packaging & Handling** **Standard Packaging** - Wooden crates with protective coating - Plastic end caps for thread protection - Weather-proof wrapping - Clear identification and heat number labeling **Storage & Handling** - Store in clean, dry conditions - Protect from carbon steel contamination - Use separate storage from other metals - Employ proper lifting equipment for heavy sections --- **Conclusion** Inconel 617 Rod (UNS N06617) provides an outstanding combination of exceptional high-temperature strength, excellent oxidation resistance, and superior fabrication characteristics in rod form. Its ability to maintain mechanical properties at extreme temperatures makes it particularly suitable for gas turbine components, aerospace structures, chemical processing equipment, and high-temperature structural applications. Available in various diameters and surface conditions with comprehensive international certification, Inconel 617 rod offers manufacturers and designers a reliable material solution for demanding high-temperature applications where structural integrity, oxidation resistance, and long-term performance are critical 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 1742 gallon liquid totes Special package is available on request.