INCONEL Alloy 600,Inconel 600, ASTM B163, 1

### **Product Introduction: INCONEL® Alloy 600 (UNS N06600)** **INCONEL® Alloy 600** is a versatile, nickel-chromium-iron alloy renowned for its excellent resistance to high-temperature corrosion and oxidation, good mechanical properties over a wide temperature range, and its immunity to chloride-ion stress-corrosion cracking. It combines high strength with outstanding workability, making it a foundational material in the INCONEL family for applications ranging from room temperature to elevated temperatures exceeding 2000°F (1093°C). Its key characteristics are derived from its solid-solution strengthened composition, primarily the chromium content which provides oxidation resistance and the nickel content which provides resistance to reducing environments and corrosion. --- ### **International Standards & Material Equivalents** INCONEL Alloy 600 is covered by a comprehensive set of ASTM standards, each specifying requirements for different product forms. | Standard Type | Standard Number | Title / Product Form | | :--- | :--- | :--- | | **UNS (USA)** | **N06600** | **INCONEL Alloy 600** | | **ASTM** | **B163** | Seamless Condenser and Heat-Exchanger Tubes | | **ASTM** | **B166** | Rod, Bar, and Forgings | | **ASTM** | **B167** | Seamless Pipe and Tube | | **ASTM** | **B168** | Plate, Sheet, and Strip | | **ASTM** | **B366** | Fittings (Factory-Made Wrought) | | **ASTM** | **B516** | Welded Tubes for Heat Exchangers | | **DIN (Germany)** | 17742 | NiCr15Fe | | **Werkstoff Nr.** | **2.4816** | **2.4816** | | **EN (Europe)** | EN 10095 | NiCr15Fe (Alloy 600) | > **Note:** INCONEL® is a registered trademark of Special Metals Corporation. The primary identifier is **UNS N06600**. --- ### **Chemical Composition** The composition is balanced to provide a robust combination of high-temperature strength and corrosion resistance. | Element | Content (%) | | :--- | :--- | | **Nickel (Ni)** | 72.0 min. | | **Chromium (Cr)** | 14.0 - 17.0 | | **Iron (Fe)** | 6.0 - 10.0 | | **Carbon (C)** | 0.15 max. | | **Manganese (Mn)** | 1.0 max. | | **Copper (Cu)** | 0.5 max. | | **Silicon (Si)** | 0.5 max. | | **Sulfur (S)** | 0.015 max. | --- ### **Physical Properties** INCONEL 600 exhibits physical properties suitable for thermal cycling and high-temperature service. | Property | Value | | :--- | :--- | | **Density** | 8.47 g/cm³ (0.306 lb/in³) | | **Melting Point** | 1354 - 1413 °C (2470 - 2575 °F) | | **Thermal Conductivity** | 14.9 W/m·K (at 20°C) | | **Electrical Resistivity** | 1.03 μΩ·m (at 20°C) | | **Modulus of Elasticity** | 214 GPa (31 x 10⁶ psi) | | **Coefficient of Thermal Expansion** | 13.3 μm/m·°C (20-100°C) | | **Magnetic Response** | Essentially non-magnetic | --- ### **Mechanical Properties (Typical for Annealed Condition)** Properties are maintained across a broad temperature spectrum. | Property | Value (Room Temperature, Annealed) | | :--- | :--- | | **Tensile Strength** | 620 - 760 MPa (90 - 110 ksi) | | **Yield Strength (0.2% Offset)** | 240 - 410 MPa (35 - 60 ksi) | | **Elongation** | 40% - 50% | | **Hardness (Rockwell B)** | 65 - 85 HRB | --- ### **Key Characteristics & Advantages** 1. **Excellent High-Temperature Strength:** Resists oxidation and scaling at temperatures up to 1177°C (2150°F). Maintains good mechanical strength at elevated temperatures. 2. **Outstanding Corrosion Resistance:** Resists attack by a wide variety of corrosive media, including organic and inorganic compounds, neutral and alkaline salts, and dry chlorine. 3. **Resistance to Chloride Stress-Corrosion Cracking:** Its high nickel content makes it immune to this common failure mode that plagues stainless steels. 4. **Good Thermal Fatigue Strength:** Withstands repeated heating and cooling cycles. 5. **Excellent Workability and Weldability:** Can be readily fabricated and welded using standard techniques for high-temperature alloys. --- ### **Product Applications** INCONEL Alloy 600 is specified across a vast range of industries due to its versatility. * **Thermal Processing:** * **Furnace Components:** Muffles, retorts, radiant tubes, and baskets. * Heat treatment fixtures. * **Chemical Processing:** * **Heat Exchangers, Condensers, and Evaporators** (as per **ASTM B163/B167**). * Process piping and vessels for caustic and corrosive chemical production. * Components for fatty acid and soap production. * **Aerospace & Nuclear:** * **Jet Engine Components:** Combustion cans, turbine seals, and exhaust liners. * **Nuclear Reactor Components:** Control rod clamptubes, support structures, and steam generator tubing. * **Power Generation:** * Steam generator tubing in pressurized water reactors (PWRs). * Superheater tubes in fossil-fuel plants. * **Electrical & Electronics:** * Spark plug electrodes. * Ceramic-to-metal seals for vacuum tubes and lamps. ### **Summary** **INCONEL Alloy 600 (UNS N06600)** is a foundational nickel-chromium alloy that sets the standard for performance in corrosive and high-temperature environments. Governed by a comprehensive suite of standards including **ASTM B163, B166, B167, and B168**, it offers a unique combination of high strength, exceptional oxidation resistance, and excellent fabricability. Its versatility makes it an indispensable material for critical components in industries ranging from aerospace and nuclear power to chemical processing and thermal treatment, where reliability under extreme conditions is paramount.

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 3297 gallon liquid totes Special package is available on request.