Alloy 86,Nimonic 86 Rod,,E FORU

British Specs:，American Specs:，German Specs:

### Technical Datasheet: Alloy 86 / Nimonic 86 Rod --- #### 1. Introduction **Alloy 86**, commercially known as **Nimonic 86**, is a nickel-chromium-cobalt superalloy specifically developed for extreme high-temperature applications. In **rod** form, this material provides exceptional oxidation resistance, carburization resistance, and sulfidation resistance at temperatures up to **1150°C (2100°F)**. The rod product is particularly suited for machining critical components that must maintain mechanical integrity under severe thermal and corrosive conditions in aggressive environments. --- #### 2. Chemical Composition (Weight %) | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | **Nickel (Ni)** | Balance | Austenitic matrix, high-temperature stability | | **Chromium (Cr)** | 24.0–27.0 | Superior oxidation and corrosion resistance | | **Cobalt (Co)** | 15.0–20.0 | Solid solution strengthening | | **Iron (Fe)** | ≤ 7.0 | Residual element | | **Titanium (Ti)** | ≤ 0.5 | Residual element | | **Carbon (C)** | 0.05–0.10 | Grain boundary strengthening | | **Silicon (Si)** | 0.2–0.6 | Oxidation resistance enhancement | | **Manganese (Mn)** | ≤ 0.5 | Deoxidation | | **Copper (Cu)** | ≤ 0.5 | Residual element | | **Aluminum (Al)** | ≤ 0.5 | Residual element | | **Zirconium (Zr)** | ≤ 0.05 | Creep property enhancement | | **Boron (B)** | ≤ 0.005 | Grain boundary strengthening | | **Sulfur (S)** | ≤ 0.007 | Impurity control | --- #### 3. Physical Properties | Property | Value | Condition | |----------|-------|-----------| | **Density** | 8.16 g/cm³ (0.295 lb/in³) | At 20°C | | **Melting Range** | 1350–1400°C (2460–2550°F) | — | | **Thermal Expansion Coefficient** | 14.2 μm/m·°C | 20–100°C | | **Thermal Conductivity** | 12.1 W/m·K | At 20°C | | **Specific Heat** | 450 J/kg·K | At 20°C | | **Modulus of Elasticity** | 215 GPa (31.2 × 10⁶ psi) | At 20°C | | **Electrical Resistivity** | 1.25 μΩ·m | At 20°C | --- #### 4. Mechanical Properties (Solution Annealed Condition) **Room Temperature Properties:** - **Tensile Strength**: 690–830 MPa (100–120 ksi) - **Yield Strength (0.2% Offset)**: 310–450 MPa (45–65 ksi) - **Elongation**: 30–45% - **Reduction of Area**: 40–55% - **Hardness**: 180–230 HB - **Impact Strength**: 40–60 J **Elevated Temperature Performance:** - **800°C (1470°F)**: Tensile Strength ≈ 450 MPa (65 ksi) - **1000°C (1830°F)**: Tensile Strength ≈ 150 MPa (22 ksi) - **1100°C (2010°F)**: Tensile Strength ≈ 80 MPa (12 ksi) **Creep Rupture Strength (1000 hours):** - **900°C (1650°F)**: ≈ 60 MPa (8.7 ksi) - **1000°C (1830°F)**: ≈ 25 MPa (3.6 ksi) - **1100°C (2010°F)**: ≈ 10 MPa (1.5 ksi) --- #### 5. Key Characteristics & Advantages - **Exceptional Oxidation Resistance**: Superior performance in oxidizing atmospheres up to 1150°C - **Excellent Carburization Resistance**: Withstands carburizing environments better than most nickel alloys - **Good Sulfidation Resistance**: Performs well in sulfur-containing atmospheres - **High-Temperature Strength**: Maintains mechanical properties at elevated temperatures - **Thermal Stability**: Resists microstructural degradation during long-term exposure - **Good Machinability**: Can be machined to precise tolerances in solution annealed condition - **Cyclic Oxidation Resistance**: Excellent performance under thermal cycling conditions - **Consistent Quality**: Rod form ensures uniform microstructure and mechanical properties --- #### 6. Product Applications **Heat Treatment Industry:** - Radiant tube hangers and supports - Furnace roller shafts and axles - Heat treatment fixture components - Retort supports and hangers - Brazing fixture rods **Chemical & Petrochemical Processing:** - Reformer furnace support rods - Reactor internals and supports - Catalyst grid supports - High-temperature valve stems - Process heater components **Power Generation:** - Gas turbine combustion support rods - Boiler hanger rods - Heat exchanger support components - High-temperature fasteners **Aerospace & Defense:** - Jet engine mounting components - Afterburner support rods - Rocket motor components - High-temperature structural members **Other Applications:** - Glass manufacturing support rods - Ceramic kiln furniture components - Semiconductor processing equipment - Nuclear reactor components --- #### 7. International Standards **ASTM Specifications:** - **ASTM B572**: Rod and Bar - **ASTM B637**: Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock **Aerospace Specifications:** - **AMS 5660**: Bars, Forgings, and Rings - **AMS 5718**: Bars, Forgings, and Rings (similar specifications) **European Standards:** - **EN 10095**: Heat resisting steels and nickel alloys - **DIN 17742**: Wrought nickel and nickel alloys - **BS HR 501**: Nickel-chromium-cobalt alloy **International Equivalents:** | Country/Region | Standard | Equivalent Designation | |----------------|----------|------------------------| | Europe (ISO) | ISO 6207 | NiCr25Co15 | | Germany | DIN 17742 | NiCr25Co15 | | France | NF A54-301 | NiCr25Co15 | | UK | BS HR 501 | Nimonic 86 | | Japan | JIS H4551 | NCF 86 | | China | GB/T 15008 | GH86 | --- #### 8. Rod Specifications & Availability **Diameter Range:** - **Small Diameter**: 3 mm to 20 mm (0.125" to 0.75") - **Medium Diameter**: 20 mm to 100 mm (0.75" to 4") - **Large Diameter**: 100 mm to 300 mm (4" to 12") **Lengths:** - **Standard Lengths**: 3–6 meters (10–20 feet) - **Cut-to-Length**: Available per customer requirements - **Random Lengths**: For large diameter rods **Surface Finish:** - **Hot Finished**: Black/scale surface - **Turned**: Smooth machined surface - **Ground**: Precision ground finish - **Polished**: Special finish available **Tolerances:** - **Diameter Tolerance**: h11 for standard, h9 for precision - **Straightness**: 1 mm per meter maximum - **Out-of-Round**: ≤ 0.5% of diameter --- #### 9. Heat Treatment **Standard Heat Treatment for Rods:** - **Solution Annealing**: 1150–1180°C (2100–2150°F) for 1–2 hours, rapid cool - **Stress Relieving**: 850–900°C (1560–1650°F) for 2–4 hours **Special Considerations:** - Controlled atmosphere annealing available - Rapid cooling to prevent precipitation - Uniform heating throughout rod cross-section --- #### 10. Fabrication & Machining **Machining Guidelines:** - **Optimal Condition**: Solution annealed condition - **Tooling**: Carbide tools with positive rake angles - **Cutting Speed**: 10–20 m/min for turning operations - **Feed Rate**: 0.1–0.3 mm/rev - **Coolant**: Required for heavy machining operations **Welding Procedures:** - **Preferred Method**: GTAW (TIG) - **Filler Metal**: AWS A5.14 ERNiCr-3 or matching composition - **Preheat**: Generally not required - **Post-Weld Heat Treatment**: Solution annealing recommended **Quality Control:** - Ultrasonic testing per ASTM A388 - Liquid penetrant inspection per ASTM E165 - Dimensional verification - Surface quality inspection --- #### 11. Quality Assurance - Chemical analysis certification - Mechanical testing reports - Non-destructive testing reports - Heat treatment records - Full traceability with heat numbers - Compliance with customer specifications --- **Disclaimer:** This technical data is for informational purposes only. Properties may vary based on manufacturing process, heat treatment, and specific product form. For critical applications, consult current manufacturer technical data sheets and relevant industry standards. Always verify material certification and testing requirements for specific service conditions.

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 2080 gallon liquid totes Special package is available on request.