BRIGHTRAY Alloy B Electrical Resistance Alloy,UNS N06004; 1

### **Product Introduction: BRIGHTRAY® Alloy B (UNS N06004)** **BRIGHTRAY® Alloy B** is a nickel-chromium-iron electrical resistance alloy specifically engineered for high-temperature heating applications. This alloy combines excellent oxidation resistance with stable electrical characteristics, making it particularly suitable for heating elements operating at temperatures up to 1150°C (2100°F). The alloy's balanced composition ensures reliable performance and long service life in various electrical heating applications. Developed to provide consistent resistivity and superior high-temperature strength, BRIGHTRAY B maintains its structural integrity and electrical properties under cyclic heating conditions, making it a preferred choice for industrial heating elements and electrical resistance components. --- ### **Chemical Composition** | Element | Content (%) | |---------|-------------| | **Nickel (Ni)** | 58.0 - 62.0 | | **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 - 1420 °C | | **Thermal Conductivity** | 14.5 W/m·K (at 20°C) | | **Electrical Resistivity** | 1.08 μΩ·m | | **Modulus of Elasticity** | 205 GPa | | **Coefficient of Thermal Expansion** | 13.8 μm/m·°C (20-1000°C) | | **Specific Heat Capacity** | 460 J/kg·K | | **Magnetic Response** | Essentially non-magnetic | --- ### **Mechanical Properties** **Annealed Condition:** - **Tensile Strength:** 620 - 760 MPa - **Yield Strength (0.2% Offset):** 280 - 380 MPa - **Elongation:** 30 - 40% - **Hardness:** 75 - 85 HRB **High-Temperature Performance:** - **Maximum Operating Temperature:** 1150°C - **Good creep resistance up to 1000°C** - **Excellent thermal fatigue resistance** --- ### **Key Characteristics & Advantages** 1. **Excellent Electrical Properties** - Stable electrical resistivity - Consistent performance over temperature cycles - Good resistance to electrical degradation 2. **Superior High-Temperature Performance** - Excellent oxidation resistance up to 1150°C - Good resistance to cyclic heating - Maintains mechanical strength at elevated temperatures 3. **Reliable Service Life** - Long-lasting performance in heating applications - Resistance to high-temperature corrosion - Stable oxide layer formation 4. **Good Fabricability** - Can be formed and welded using standard methods - Suitable for coil winding and element fabrication - Good ductility in annealed condition --- ### **Product Applications** **Electrical Heating Elements:** - Industrial furnace elements - Heat treatment furnace components - Kiln and oven heating elements - Industrial process heaters **Electrical Applications:** - Resistance windings - Electrical heating appliances - Temperature sensing elements - High-temperature resistors **Industrial Applications:** - Thermal processing equipment - Heat treatment fixtures - High-temperature instrumentation - Electrical resistance components --- ### **International Standards** | Standard Type | Standard Number | Description | |---------------|-----------------|-------------| | **UNS** | N06004 | Unified Numbering System | | **ASTM** | B344 | Electrical Resistance Alloys | | **DIN** | 17742 | German Standard | | **Werkstoff Nr.** | 2.4867 | Material Number | | **IEC** | 60216 | Electrical Insulation Materials | --- ### **Summary** **BRIGHTRAY® Alloy B (UNS N06004)** is a high-performance nickel-chromium-iron electrical resistance alloy specifically designed for demanding high-temperature heating applications. Its excellent oxidation resistance, stable electrical properties, and reliable performance at temperatures up to 1150°C make it an ideal choice for industrial heating elements and electrical resistance components. The alloy's balanced composition ensures long service life and consistent performance under cyclic heating conditions, providing engineers with a dependable material solution for critical heating applications. Compliance with international standards including ASTM B344, DIN 17742, and Werkstoff 2.4867 guarantees consistent quality and performance, establishing BRIGHTRAY B as a trusted material in the electrical heating industry where reliability and high-temperature capability are essential 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 3340 gallon liquid totes Special package is available on request.