BRIGHTRAY Alloy S Electrical Resistance Alloy,UNS N06003; 1

### **Product Introduction: BRIGHTRAY® Alloy S (UNS N06003)** **BRIGHTRAY® Alloy S** is a premium nickel-chromium-iron electrical resistance alloy engineered for exceptional high-temperature performance and superior oxidation resistance. Designed to withstand continuous operating temperatures up to 1200°C (2192°F), this alloy combines excellent electrical characteristics with outstanding mechanical properties, making it ideal for demanding heating applications in industrial, commercial, and aerospace sectors. The alloy's carefully balanced composition ensures stable electrical resistivity, remarkable resistance to cyclic oxidation, and prolonged service life under severe thermal cycling conditions, establishing it as a reliable choice for critical heating elements and electrical resistance components. --- ### **Chemical Composition** | Element | Content (%) | |---------|-------------| | **Nickel (Ni)** | 59.0 - 63.0 | | **Chromium (Cr)** | 19.0 - 21.0 | | **Iron (Fe)** | Balance | | **Silicon (Si)** | 1.0 - 2.0 | | **Manganese (Mn)** | 1.0 - 2.0 | | **Carbon (C)** | 0.05 - 0.12 | | **Aluminum (Al)** | 0.50 max | | **Copper (Cu)** | 0.50 max | | **Sulfur (S)** | 0.015 max | --- ### **Physical Properties** | Property | Value | |----------|-------| | **Density** | 8.25 g/cm³ | | **Melting Point** | 1400 - 1425 °C | | **Thermal Conductivity** | 14.2 W/m·K (at 20°C) | | **Electrical Resistivity** | 1.12 μΩ·m | | **Modulus of Elasticity** | 207 GPa | | **Coefficient of Thermal Expansion** | 14.0 μm/m·°C (20-1000°C) | | **Specific Heat Capacity** | 462 J/kg·K | | **Magnetic Response** | Essentially non-magnetic | --- ### **Mechanical Properties** **Annealed Condition:** - **Tensile Strength:** 650 - 780 MPa - **Yield Strength (0.2% Offset):** 300 - 400 MPa - **Elongation:** 35 - 45% - **Hardness:** 78 - 88 HRB **High-Temperature Performance:** - **Maximum Operating Temperature:** 1200°C - **Excellent oxidation resistance up to 1200°C** - **Good creep resistance at elevated temperatures** - **Superior thermal fatigue resistance** --- ### **Key Characteristics & Advantages** 1. **Exceptional High-Temperature Performance** - Superior oxidation resistance up to 1200°C - Excellent resistance to cyclic heating conditions - Maintains mechanical integrity under thermal stress 2. **Stable Electrical Properties** - Consistent resistivity across operational temperatures - Reliable performance in cyclic applications - Minimal resistance drift over time 3. **Extended Service Life** - Enhanced durability in high-temperature environments - Resistance to oxide scaling and spallation - Long-lasting performance in aggressive atmospheres 4. **Excellent Manufacturing Characteristics** - Good formability for coil winding and shaping - Suitable for welding and joining operations - Available in various wire gauges and forms --- ### **Product Applications** **Industrial Heating Systems:** - High-temperature furnace elements - Industrial oven heating components - Heat treatment equipment elements - Ceramic kiln heating systems **Commercial Applications:** - Appliance heating elements - Commercial oven systems - Food service equipment - Heating, ventilation, and air conditioning systems **Aerospace and Defense:** - Aircraft heating systems - Military specification equipment - Aerospace heating components - Defense system applications **Specialized Applications:** - Laboratory furnace elements - Temperature calibration devices - Process heating equipment - Electrical resistance windings --- ### **International Standards** | Standard Type | Standard Number | Description | |---------------|-----------------|-------------| | **UNS** | N06003 | Unified Numbering System | | **ASTM** | B344 | Electrical Resistance Alloys | | **SAE AMS** | 5682 | Aerospace Material Specification | | **DIN** | 17742 | German Standard | | **Werkstoff Nr.** | 2.4869 | Material Number | | **MIL-C-5031** | MIL-C-5031 | Military Specification | --- ### **Summary** **BRIGHTRAY® Alloy S (UNS N06003)** represents the pinnacle of nickel-chromium-iron electrical resistance alloy technology, delivering uncompromising performance in the most demanding high-temperature applications. With its exceptional oxidation resistance up to 1200°C, stable electrical properties, and superior mechanical characteristics, this alloy sets the standard for reliability in industrial heating, commercial applications, and aerospace systems. The alloy's ability to maintain consistent performance under severe thermal cycling conditions, combined with its extended service life, makes it an invaluable material for critical heating applications where failure is not an option. Comprehensive certification to major international standards including ASTM B344, SAE AMS 5682, DIN 17742, Werkstoff 2.4869, and military specification MIL-C-5031 ensures consistent quality and performance across all applications, providing engineers and designers with a trusted solution for the most challenging high-temperature electrical resistance requirements.

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 3342 gallon liquid totes Special package is available on request.