Alloy 800,Incoloy 800 Rod,N08800,E FORU

British Specs:BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA15，American Specs:AMS 5766 Bar and Forgings AMS 5871 Sheet, Strip and Plate ASTM B408 ASTM B564 ASTM A240 ASTM A480，German Specs:WS 1.4876 WS 1.4958 WS 1.4959

### **Technical Datasheet: Alloy 800 / Incoloy® 800 Rod (UNS N08800)** --- #### **1. Product Overview** **Alloy 800**, commercially known as **Incoloy® 800**, is a nickel-iron-chromium superalloy designed for excellent strength and corrosion resistance at high temperatures. The **rod** form of **UNS N08800** is specifically manufactured for machining, fastening, and structural applications requiring superior performance in elevated temperature environments up to **1100°C (2012°F)**. --- #### **2. Chemical Composition** | Element | Content (%) | |---------|-------------| | Nickel (Ni) | 30.0–35.0 | | Chromium (Cr) | 19.0–23.0 | | Iron (Fe) | ≥ 39.5 | | Carbon (C) | ≤ 0.10 | | Manganese (Mn) | ≤ 1.50 | | Silicon (Si) | ≤ 1.00 | | Copper (Cu) | ≤ 0.75 | | Sulfur (S) | ≤ 0.015 | | Aluminum (Al) | 0.15–0.60 | | Titanium (Ti) | 0.15–0.60 | *Note: Aluminum + Titanium content maintained at 0.85–1.20%* --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 7.94 g/cm³ | 0.286 lb/in³ | | Melting Point | 1350–1400°C | 2462–2552°F | | Specific Heat (20°C) | 500 J/kg·K | 0.12 Btu/lb·°F | | Thermal Conductivity (20°C) | 11.7 W/m·K | 81.2 Btu·in/hr·ft²·°F | | Mean Coefficient of Thermal Expansion (20–100°C) | 14.0 μm/m·°C | 7.8 × 10⁻⁶ in/in·°F | | Modulus of Elasticity | 200 GPa | 29.0 × 10⁶ psi | --- #### **4. Mechanical Properties** **Room Temperature Properties (Annealed Condition):** | Property | Typical Value | |----------|---------------| | Tensile Strength | 520–690 MPa (75–100 ksi) | | Yield Strength (0.2% Offset) | 210–345 MPa (30–50 ksi) | | Elongation | 30–50% | | Reduction of Area | 40–60% | | Hardness (Rockwell B) | 75–95 HRB | **High Temperature Properties:** - Excellent creep and rupture strength up to 700°C (1290°F) - Good stress rupture life at elevated temperatures --- #### **5. International Standards** | Standard Body | Standard Number | Specification | |---------------|-----------------|---------------| | ASTM International | ASTM B564 | Nickel Alloy Forgings and Rod | | ASME | SB-564 | Pressure Vessel Components | | ASTM International | ASTM B408 | Nickel-Iron-Chromium Alloy Rod | | AMS | AMS 5766 | Bars, Forgings, and Rings | | EN | EN 10095 | X5NiCrAlTi31-20 | | DIN | DIN 2.4858 | Material Designation | --- #### **6. Product Applications** **Heat Treatment Industry:** - Heat treatment fixture components - Furnace roller shafts and guides - Retort hangers and supports - Basket and tray fabrication **Chemical Processing:** - Valve stems and trim - Pump shafts and components - Reactor internals - Fasteners for high-temperature service **Power Generation:** - Turbine components - Boiler supports and hangers - High-temperature bolting - Nuclear component fabrication **General Manufacturing:** - Machined components for high-temperature service - Structural supports in furnace applications - Custom fasteners and specialized hardware - Tooling for thermal processing equipment --- #### **7. Key Features & Benefits** - **Excellent oxidation resistance** at high temperatures - **Good carburization resistance** - **High strength** maintained at elevated temperatures - **Superior machinability** compared to other superalloys - **Good weldability** using common processes - **Excellent thermal stability** --- #### **8. Corrosion Resistance** - Outstanding oxidation resistance up to 1100°C - Good resistance to carburizing atmospheres - Suitable for various corrosive environments - Resists sulfur attack in specific conditions - Good performance in steam and combustion gases --- #### **9. Fabrication & Machining** **Machining Characteristics:** - Use positive rake angles and sharp tools - Recommended speeds: 10–20 m/min for turning - Use heavy feeds and adequate cooling - Carbide tools preferred for production machining **Heat Treatment:** - Solution Annealing: 1100–1175°C (2010–2150°F) - Rapid cooling after annealing - Stress Relieving: 870–950°C (1600–1740°F) **Welding:** - Excellent weldability using GTAW, GMAW, SMAW - Use matching filler metals (ENiCrFe-2/3) - Post-weld annealing recommended for critical applications --- #### **10. Available Specifications** - **Diameter Range**: 5mm to 300mm (0.187" to 12") - **Length**: Standard random lengths or cut to size - **Condition**: Hot finished, annealed, or turned - **Surface Finish**: Black, descaled, or polished - **Tolerance**: Standard commercial or precision machined --- #### **11. Quality Assurance** - Certified to ASTM B564 and relevant standards - Full material traceability - Ultrasonic testing available - Chemical and mechanical certification --- **Disclaimer:** *Incoloy® is a registered trademark of Special Metals Corporation. This information is for reference purposes only. For specific applications, always consult appropriate material standards and manufacturer's technical data sheets. Performance should be verified through testing for critical 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 1885 gallon liquid totes Special package is available on request.