Alloy 800,Incoloy 800 Wire,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

### **Product Datasheet: Alloy 800 / Incoloy 800 / UNS N08800 Wire** #### **1. Overview** **Alloy 800** (commercially known as **Incoloy 800** and designated **UNS N08800**) is a nickel-iron-chromium superalloy renowned for its excellent strength and resistance to oxidation, carburization, and corrosion at elevated temperatures. This datasheet focuses on **wire** manufactured from this alloy, which is produced through a series of drawing operations to create a continuous, uniform product with a round, square, or flat cross-section. Incoloy 800 wire combines the alloy's inherent high-temperature capabilities with the formability and consistency required for welding, weaving, fastening, and other specialized applications. **Key Characteristics for Wire Form:** * **Excellent High-Temperature Properties:** Maintains strength and resists oxidation in continuous service up to 1100°F (595°C) * **Good Corrosion Resistance:** Resists a wide range of corrosive media, including acids, alkalis, and saltwater atmospheres * **Consistent Dimensional Accuracy:** Precisely controlled diameter and surface finish * **Good Fabricability:** Can be readily formed, coiled, and welded using standard techniques * **Stability:** Titanium stabilization prevents sensitization during high-temperature exposure --- #### **2. Chemical Composition (Weight % - Typical)** The chemical composition is tightly controlled to ensure consistent performance in wire products. | Element | Content (%) | Role and Effect | | :--- | :--- | :--- | | **Nickel (Ni)** | 30.0 - 35.0 | Provides austenitic structure and resistance to reducing atmospheres | | **Chromium (Cr)** | 19.0 - 23.0 | Imparts oxidation and corrosion resistance | | **Iron (Fe)** | Balance (~39.5%) | Forms the base of the alloy | | **Carbon (C)** | 0.05 - 0.10 | Enhances high-temperature strength | | **Manganese (Mn)**| ≤ 1.5 | Aids in deoxidation during melting | | **Silicon (Si)** | ≤ 1.0 | Improves oxidation resistance | | **Sulfur (S)** | ≤ 0.015 | Impurity controlled for optimal hot workability | | **Aluminum (Al)** | 0.15 - 0.60 | Contributes to high-temperature strength | | **Titanium (Ti)** | 0.15 - 0.60 | Stabilizes against sensitization | --- #### **3. Physical Properties (Typical)** | Property | Value | | :--- | :--- | | **Density** | 0.29 lb/in³ (8.03 g/cm³) | | **Melting Point** | 2470-2520°F (1355-1385°C) | | **Specific Heat** (68°F / 20°C) | 0.11 Btu/lb·°F (460 J/kg·K) | | **Thermal Conductivity** (68°F / 20°C) | 6.8 Btu·in/hr·ft²·°F (11.5 W/m·K) | | **Mean Coefficient of Thermal Expansion** | 8.9 x 10⁻⁶/°F (70-1000°F) | | **Modulus of Elasticity** | 29.1 x 10⁶ psi (201 GPa) | | **Electrical Resistivity** | 39.3 μΩ·in (1.00 μΩ·m) | --- #### **4. International Standards** Incoloy 800 wire is manufactured to meet various international standards governing chemistry, dimensions, and quality. | Product Form | Standard Number | Title / Scope | | :--- | :--- | :--- | | **Wire** | ASTM B408 | Standard Specification for Nickel-Iron-Chromium Alloy Rod and Bar | | **Wire** | AMS 5689 | Aerospace Material Specification (for welding wire) | | **Filler Metal** | AWS A5.14 / ASME SFA-5.14 | Specification for Nickel Alloy Welding Electrodes and Rods (ERNiFeCr-1/2/3) | | **European** | DIN 17753 | Wire of nickel and nickel alloys | | **UNS** | UNS N08800 | Unified Numbering System | **Common Wire Diameters:** * **Welding Electrode/Wire:** 0.030" to 0.187" (0.8 mm to 4.8 mm) * **Industrial Wire:** 0.010" to 0.500" (0.25 mm to 12.7 mm) --- #### **5. Product Applications** Incoloy 800 wire serves critical functions across multiple industries: * **Welding & Fabrication:** * **Filler Metal:** Used for welding Alloy 800 components and for joining dissimilar metals * **Cladding:** Wire used in overlay welding to provide corrosion-resistant surfaces * **Repair:** Maintenance and repair of existing Alloy 800 equipment * **Heat Treating & Thermal Processing:** * **Baskets & Mesh:** Woven into wire mesh for heat treatment baskets and fixtures * **Support Systems:** Wire forms used to support components during high-temperature processing * **Springs & Fasteners:** High-temperature springs, pins, and custom fasteners * **Chemical & Petrochemical:** * **Stitching Wire:** For joining flexible expansion joints and composite materials * **Support Wires:** Catalyst support systems in reformer furnaces * **Safety Systems:** Wire ropes and cables for high-temperature applications * **Power Generation:** * **Assembly Components:** Wire used in boiler tube supports and hangers * **Maintenance:** Repair welding of superheater and reheater components * **Industrial Manufacturing:** * **Heating Elements:** Resistance heating elements for industrial furnaces * **Thermocouple Wires:** Extension wires for high-temperature measurement --- **Conclusion** Alloy 800 / Incoloy 800 (UNS N08800) wire provides a versatile and reliable material solution for high-temperature and corrosive service applications. Its combination of excellent oxidation resistance, good fabricability, and consistent performance makes it indispensable for welding, high-temperature fixturing, and specialized industrial components. Available in various diameters and tempers, this wire product maintains the same quality and reliability expected from the Alloy 800 family while offering the formability and precision required for demanding industrial 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 1896 gallon liquid totes Special package is available on request.