C 600 Nickel-Chromium-Iron Alloy,UNS N06600,E FORU

### **Product Introduction: C-600 Nickel-Chromium-Iron Alloy (UNS N06600)** **C-600 Nickel-Chromium-Iron Alloy (UNS N06600)**, commercially known as Inconel 600, is a standard engineering material designed for applications requiring resistance to corrosion and high-temperature strength. This solid-solution strengthened nickel-chromium-iron alloy demonstrates excellent mechanical properties and outstanding resistance to high-temperature oxidation and corrosion. The alloy maintains its strength and toughness over a wide temperature range, from cryogenic conditions up to 1175°C (2150°F), making it suitable for various demanding applications in chemical processing, aerospace, and heat treatment industries. The alloy's balanced composition provides reliable performance in both oxidizing and reducing environments, while its nickel content ensures good resistance to chloride-ion stress-corrosion cracking. --- #### **1. Chemical Composition (Weight %)** The chemical composition of C-600 Nickel-Chromium-Iron Alloy per UNS N06600 is as follows: | Element | Content (%) | Element | Content (%) | |---------|-------------|---------|-------------| | **Nickel (Ni)** | 72.0 min | **Chromium (Cr)** | 14.0 - 17.0 | | **Iron (Fe)** | 6.0 - 10.0 | **Copper (Cu)** | 0.5 max | | **Manganese (Mn)** | 1.0 max | **Carbon (C)** | 0.15 max | | **Silicon (Si)** | 0.5 max | **Sulfur (S)** | 0.015 max | --- #### **2. Physical & Mechanical Properties** **Physical Properties:** | Property | Metric Units | Imperial Units | |----------|-----------------|------| | **Density** | 8.47 g/cm³ | 0.306 lb/in³ | | **Melting Range** | 1354 - 1413 °C | 2470 - 2575 °F | | **Thermal Conductivity** | 14.8 W/m·K | 102.6 Btu·in/hr·ft²·°F | | **Coefficient of Thermal Expansion** | 13.3 μm/m·°C | 7.4 μin/in·°F | | **Specific Heat** | 444 J/kg·K | 0.106 Btu/lb·°F | | **Electrical Resistivity** | 1.03 μΩ·m | - | | **Modulus of Elasticity** | 214 GPa | 31.0 x 10⁶ psi | **Mechanical Properties (Annealed Condition):** | Property | Value | |----------|-----------------| | **Tensile Strength** | 550 - 690 MPa | 80 - 100 ksi | | **Yield Strength (0.2% Offset)** | 240 - 415 MPa | 35 - 60 ksi | | **Elongation** | 40 - 55% | | **Hardness (Rockwell B)** | 65 - 85 HRB | **Elevated Temperature Properties (at 815°C/1500°F):** | **Tensile Strength** | 255 MPa | 37 ksi | | **Yield Strength** | 170 MPa | 25 ksi | --- #### **3. Key Characteristics & Product Applications** **Key Characteristics:** - **Excellent High-Temperature Strength**: Maintains mechanical properties at temperatures up to 1175°C - **Outstanding Oxidation Resistance**: Superior performance in high-temperature oxidizing atmospheres - **Good Corrosion Resistance**: Excellent resistance to various corrosive media - **Chloride Stress Corrosion Cracking Resistance**: Good performance in chloride-containing environments - **Excellent Mechanical Properties**: Good strength and ductility across wide temperature range - **Good Fabricability**: Excellent weldability and formability characteristics **Product Applications:** C-600 Nickel-Chromium-Iron Alloy serves critical functions in demanding applications: - **Chemical Processing Industry**: - Heat exchangers and condensers - Chemical reaction vessels - Evaporator tubes and piping - Process heating equipment - **Aerospace & Defense**: - Gas turbine engine components - Combustion chambers and afterburners - Turbine seals and rings - Exhaust system components - **Heat Treatment Industry**: - Radiant tubes and furnace muffles - Heat treatment fixtures and baskets - Annealing covers and retorts - Roller hearth furnace components - **Nuclear Industry**: - Steam generator tubing - Reactor core components - Nuclear fuel element hardware - Control rod mechanisms --- #### **4. International Standards & Specifications** C-600 Nickel-Chromium-Iron Alloy complies with the following international standards: **Primary Specifications:** - **UNS N06600**: Unified Numbering System - **ASTM B166**: Nickel-Chromium-Iron Alloy Rod, Bar, and Wire - **ASTM B167**: Nickel-Chromium-Iron Alloy Seamless Pipe and Tube - **ASTM B168**: Nickel-Chromium-Iron Alloy Plate, Sheet, and Strip - **ASTM B163**: Nickel-Chromium-Iron Alloy Seamless Condenser and Heat-Exchanger Tubes **International Equivalents:** - **EN**: 2.4816 (NiCr15Fe) - **DIN**: 2.4816 - **JIS**: NW 6600 - **ISO**: 6207 (NW 6600) - **AMS**: 5540, 5665, 5687 (Aerospace Material Specifications) --- #### **Summary of Key Advantages** - **Versatile High-Temperature Performance**: Excellent mechanical properties from cryogenic to elevated temperatures - **Superior Oxidation Resistance**: Outstanding performance in high-temperature oxidizing atmospheres - **Proven Reliability**: Extensive service history in demanding industrial applications - **Excellent Fabricability**: Easy to weld, form, and machine using standard techniques - **Broad Chemical Resistance**: Good performance in various corrosive environments - **Comprehensive Standardization**: Widely recognized and specified across international standards **Technical Note**: C-600 Nickel-Chromium-Iron Alloy exhibits excellent weldability using common processes such as GTAW, GMAW, and SMAW with matching filler metals. The alloy can be readily formed and machined using conventional methods. For optimal high-temperature performance, a solution annealing treatment at 980-1150°C (1800-2100°F) is recommended. The material demonstrates excellent resistance to chloride-ion stress-corrosion cracking and maintains good mechanical properties after prolonged exposure to high temperatures. Proper cleaning and handling procedures should be maintained to ensure optimal performance in 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 3187 gallon liquid totes Special package is available on request.