Aperam Nicrimphy 600，1

### **Product Introduction: Aperam Nicrimphy® 600 - Nickel-Chromium-Iron Alloy** **Overview** Aperam Nicrimphy® 600 is a nickel-chromium-iron alloy renowned for its exceptional resistance to high-temperature corrosion and oxidation. This versatile material maintains excellent mechanical properties across an extensive temperature range, from cryogenic conditions to elevated temperatures up to 1177°C (2150°F). With its balanced composition and reliable performance, Nicrimphy 600 serves as a cornerstone material in various demanding industrial applications where thermal stability and corrosion resistance are paramount. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | ≥ 72.0 | Provides fundamental corrosion resistance and maintains austenitic structure stability | | **Chromium (Cr)** | 14.0 - 17.0 | Imparts resistance to oxidizing environments and high-temperature scaling | | **Iron (Fe)** | 6.0 - 10.0 | Balances microstructure and provides cost-effective strengthening | | **Manganese (Mn)** | ≤ 1.0 | Enhances manufacturability and controls sulfur content | | **Copper (Cu)** | ≤ 0.5 | Controlled residual element | | **Carbon (C)** | ≤ 0.15 | Contributes to high-temperature strength through carbide formation | | **Silicon (Si)** | ≤ 0.5 | Enhances oxidation resistance at elevated temperatures | | **Sulfur (S)** | ≤ 0.015 | Minimized to prevent hot cracking and maintain ductility | *Note: Nicrimphy is a registered trademark of Aperam. This alloy corresponds to UNS N06600/W.Nr. 2.4816.* --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 8.42 g/cm³ (0.304 lb/in³) - Melting Range: 1354-1413°C (2470-2575°F) - Thermal Expansion Coefficient: 13.3 μm/m·°C @ 20-100°C - Thermal Conductivity: 14.8 W/m·K @ 100°C - Modulus of Elasticity: 214 GPa (31.0 x 10⁶ psi) - Magnetic Permeability: < 1.05 (essentially non-magnetic) **Mechanical Properties (Room Temperature):** - Tensile Strength: 550-690 MPa (80-100 ksi) - Yield Strength (0.2% Offset): 240-345 MPa (35-50 ksi) - Elongation: 30-40% - Hardness: HRB 65-85 - Impact Strength: ≥ 100 J @ 20°C **Elevated Temperature Properties:** - Maintains good mechanical strength up to 1095°C (2000°F) - Excellent creep rupture strength at intermediate temperatures --- #### **International Standards and Specifications** - **ASTM B166:** Nickel-Chromium-Iron Alloy (UNS N06600) Bar, Rod, and Wire - **ASTM B168:** Nickel-Chromium-Iron Alloy (UNS N06600) Plate, Sheet, and Strip - **ASME SB-166/SB-168:** Pressure vessel applications - **AMS 5665/5666:** Aerospace Material Specification for Bar and Forging - **AMS 5540:** Sheet, Strip, and Plate Specification - **EN 2.4816:** European material designation - **DIN 17752:** German standard for wrought nickel alloys --- #### **Product Applications** **Heat Treatment Industry:** - Furnace muffles and retorts - Radiant tubes and heat treatment baskets - Carburizing fixtures and furnace components - Heat treatment trays and fixtures - Annealing covers and inner furnace shells **Chemical Processing Industry:** - Caustic evaporation equipment - Sulfuric acid concentration systems - Nuclear fuel element processing equipment - Chemical reaction vessels and heat exchangers - Pickling tank hooks and equipment **Aerospace and Power Generation:** - Gas turbine engine components - Combustion cans and afterburner parts - Nuclear reactor control rod components - Heat exchanger tubing and supports - Turbine blade retainers and seals **Other Industrial Applications:** - Food processing equipment - Pharmaceutical production systems - Pulp and paper processing equipment - Electronic components and springs - Structural components in corrosive environments --- #### **Key Advantages** 1. **Excellent High-Temperature Strength**: Maintains mechanical integrity at temperatures up to 1177°C (2150°F) 2. **Outstanding Oxidation Resistance**: Superior performance in oxidizing atmospheres and air 3. **Chloride Stress Corrosion Cracking Resistance**: Excellent resistance in chloride-containing environments 4. **Good Mechanical Properties**: Balanced combination of strength, ductility, and toughness 5. **Excellent Fabricability**: Good welding, brazing, and forming characteristics 6. **Cryogenic to High-Temperature Capability**: Reliable performance across extreme temperature ranges 7. **Proven Service History**: Extensive track record in demanding industrial applications 8. **Resistance to Carburization**: Performs well in carburizing atmospheres --- **Conclusion** Aperam Nicrimphy® 600 represents a time-tested and highly reliable nickel-chromium-iron alloy solution for challenging industrial environments. Its well-balanced chemical composition provides exceptional resistance to high-temperature corrosion, oxidation, and chloride stress corrosion cracking, making it particularly valuable in heat treatment, chemical processing, and power generation applications. The alloy's versatile performance across a broad temperature spectrum, combined with excellent fabricability and proven service history, establishes it as a preferred choice for critical components where long-term reliability and consistent performance are essential. Supported by comprehensive international standards and quality certifications, Nicrimphy 600 continues to deliver outstanding value and performance in some of the world's most demanding operational 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 3424 gallon liquid totes Special package is available on request.