Alloy C,Brightray C Tube,,E FORU

British Specs:，American Specs:，German Specs:

**Product Data Sheet: Alloy C / Brightray C Tube** **High-Temperature Nickel-Chromium Alloy Tube** --- ### **1. Product Overview** **Brightray C Tube** is a premium nickel-chromium-iron alloy tubing solution engineered for extreme temperature applications requiring exceptional oxidation resistance, thermal stability, and mechanical integrity. Available in both seamless and welded configurations, Brightray C Tube delivers reliable performance in continuous service up to 1150°C, making it the ideal choice for thermal processing systems, industrial heating elements, and high-temperature fluid handling applications where both internal and external surface durability are critical. --- ### **2. Chemical Composition (Typical % by Weight)** | Element | Content (%) | Function | |---------------|-------------|----------| | Nickel (Ni) | 60 | Base element providing high-temperature strength and metallurgical stability | | Chromium (Cr) | 16 | Forms adherent Cr₂O₃ protective scale | | Iron (Fe) | Balance | Enhances mechanical strength and cost-effectiveness | | Silicon (Si) | 1.0–1.5 | Improves scale adhesion and oxidation resistance | | Manganese (Mn)| 0.5–1.0 | Deoxidizer and sulfur control agent | | Carbon (C) | ≤0.15 | Provides high-temperature strength optimization | | Aluminum (Al) | 0.5–1.0 | Enhances oxidation resistance through secondary oxide formation | | Rare Earths | Trace | Improves scale spallation resistance during thermal cycling | --- ### **3. Physical & Mechanical Properties** | Property | Value (Typical) | |-------------------------------|-----------------| | Density | 8.20 g/cm³ | | Melting Point | 1380°C (2516°F) | | Electrical Resistivity | 1.12 μΩ·m at 20°C | | Thermal Conductivity | 14.5 W/m·K at 20°C | | Coefficient of Thermal Expansion | 16.5 μm/m·K (20–1000°C) | | Tensile Strength | 650–900 MPa | | Yield Strength (0.2% Offset) | ≥300 MPa | | Elongation | ≥25% | | Maximum Continuous Service Temperature | 1150°C (2100°F) | | Specific Heat Capacity | 460 J/kg·K at 20°C | --- ### **4. Product Applications** #### **4.1 Thermal Processing & Heat Treatment** - **Radiant Tubes**: For carburizing, annealing, and normalizing furnaces - **Retort Tubes**: In protective atmosphere heat treatment systems - **Muffle Tubes**: Laboratory and industrial furnace applications - **Roller Hearth Tubes**: Continuous processing furnace systems #### **4.2 Industrial Heating Systems** - **Sheathed Heating Elements**: Outer sheathing for electrical heating elements - **Heat Exchanger Tubes**: High-temperature gas-to-gas heat exchangers - **Combustion Tubes**: Burner systems and combustion chambers - **Thermal Fluid Conduits**: High-temperature heat transfer systems #### **4.3 Specialized Applications** - **Thermocouple Protection Sheaths**: Temperature measurement in harsh environments - **Glass Manufacturing**: Forehearths, feeders, and conditioning systems - **Chemical Processing**: Reactor tubes and high-temperature process piping - **Aerospace**: Test rig components and high-temperature instrumentation --- ### **5. Key Features & Benefits** - **Exceptional Oxidation Resistance**: Protective chromium oxide layer prevents degradation at high temperatures - **Superior Thermal Stability**: Maintains dimensional integrity under thermal cycling conditions - **Excellent Creep Resistance**: Withstands prolonged exposure to high temperatures under load - **Thermal Fatigue Resistance**: Reliable performance in cyclic heating applications - **Good Fabricability**: Can be bent, flared, swaged, and welded using standard techniques - **Corrosion Resistance**: Resists various industrial atmospheres and combustion products - **Long Service Life**: Reduced maintenance costs and extended operational lifetime - **Consistent Performance**: Reliable mechanical and thermal properties across temperature range --- ### **6. International Standards** | Standard Type | Specification Number | Description | |---------------|----------------------|-------------| | ASTM | B163/B829 | Seamless Nickel and Nickel-Alloy Tubes | | ASTM | B775/B776 | Welded Nickel and Nickel-Alloy Tubes | | UNS | N06004 | Material Designation | | DIN | 2.4867 | NiCr15Fe Alloy Tubes | | EN | 2.4816 | NiCr15Fe (Brightray C Equivalent) | | JIS | G 4902 (NCF 601) | Heat-Resisting Nickel-Chromium Alloy Tubes | | ASME | SB-163 | Seamless Tubes for Boiler and Pressure Vessel Code | | ISO | 6207 | Wrought Nickel and Nickel Alloy Tubes | --- ### **7. Product Specifications** #### **7.1 Tube Types & Dimensions** - **Seamless Tube**: OD 3mm to 150mm, Wall thickness 0.5mm to 12mm - **Welded Tube**: OD 6mm to 300mm, Wall thickness 0.8mm to 8mm - **Tolerance Grades**: Precision, standard, and commercial tolerances available - **Length**: Standard 3–8 meters; custom lengths and cut-to-size available #### **7.2 Technical Specifications** - **OD Tolerance**: ±0.1mm to ±0.5% depending on size and grade - **Wall Thickness Tolerance**: ±10% for seamless, ±7.5% for welded - **Surface Finish**: Pickled, bright annealed, or turned finish - **Straightness**: ≤1.0mm per meter for precision applications --- ### **8. Fabrication & Installation Guidelines** - **Cutting**: Band saw, abrasive wheel, or plasma cutting recommended - **Bending**: Cold bending for radii >3×OD; hot bending for tighter radii - **Welding**: TIG welding with ERNiCr-3 filler metal; proper purge gas essential - **Heat Treatment**: Solution anneal at 1050–1150°C after severe deformation - **Quality Control**: Dye penetrant, radiographic, or ultrasonic testing available - **Handling**: Protect from contamination and mechanical damage during installation --- ### **9. Quality Assurance & Certification** - **Material Certification**: EN 10204 3.1/3.2 with full traceability - **Testing Protocols**: Hydrostatic, eddy current, ultrasonic, and pressure testing - **Compliance**: Meets RoHS, REACH, and PED 2014/68/EU requirements - **Documentation**: Certified Mill Test Reports with complete chemical and mechanical data --- **Disclaimer**: The technical information provided represents typical values and is for reference purposes only. Actual properties may vary based on manufacturing process, tube dimensions, and heat treatment conditions. Users must verify suitability for specific applications through appropriate testing and consult with technical experts for critical applications, particularly for pressure-containing services. Compliance with all applicable safety standards, codes, and regulations is mandatory.

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 2837 gallon liquid totes Special package is available on request.