Nichrome V,Nichrome V Tube,UNS N06003,E FORU

British Specs:，American Specs:AMS 5676 Welding Wire AMS 5677 Welding Electrodes AMS 5682 Rods and Wire MIL-R-5031 Cl 7 MIL-E-6844 Cl7，German Specs:

**Product Introduction: Nichrome V Tube / UNS N06003** **Overview** Nichrome V Tube (UNS N06003) is a nickel-chromium alloy supplied in tubular form, specifically engineered for high-temperature applications requiring excellent oxidation resistance and electrical properties. This product form combines the superior electrical resistance characteristics of Nichrome V with the geometric advantages of tubular configuration, making it ideal for heating elements, thermal processing equipment, and specialized high-temperature applications where both internal and external heating capabilities are required. **Key Characteristics** - Excellent oxidation resistance up to 1200°C - High electrical resistivity (1.09 μΩ·m) - Good mechanical strength at elevated temperatures - Uniform wall thickness and dimensional stability - Good weldability and fabricability - Suitable for both structural and electrical applications - Consistent performance under thermal cycling conditions --- **Chemical Composition (Weight %)** | Element | Content (%) | Tolerance | |------------------|-----------------|----------------| | Nickel (Ni) | 78.0 - 80.0 | ±1.0% | | Chromium (Cr) | 19.0 - 21.0 | ±0.5% | | Iron (Fe) | ≤ 1.0 | - | | Silicon (Si) | ≤ 1.0 | - | | Manganese (Mn) | ≤ 1.0 | - | | Carbon (C) | ≤ 0.15 | - | | Sulfur (S) | ≤ 0.015 | - | --- **Physical Properties** | Property | Value | Condition | |-------------------------------|---------------------------|-------------------------| | Density | 8.40 g/cm³ (0.303 lb/in³) | Room Temperature | | Melting Range | 1400-1420°C (2552-2588°F) | - | | Electrical Resistivity | 1.09 μΩ·m | 20°C | | Temperature Coefficient of Resistance | 0.00013/°C | 20-1000°C | | Thermal Conductivity | 13.0 W/m·K | 20°C | | Specific Heat Capacity | 450 J/kg·K | 20°C | | Mean Coefficient of Thermal Expansion | 13.0 × 10⁻⁶/°C | 20-1000°C | | Modulus of Elasticity | 210 GPa (30.5 × 10⁶ psi) | Room Temperature | | Curie Temperature | 350°C | - | --- **Mechanical Properties (Annealed Condition)** | Temperature | Tensile Strength | Yield Strength (0.2%) | Elongation | |------------------|------------------|----------------------|------------| | Room Temperature | 860-965 MPa | 480-550 MPa | 25-35% | | 500°C (932°F) | 550-620 MPa | 320-380 MPa | 28-38% | | 800°C (1472°F) | 240-310 MPa | 170-210 MPa | 35-45% | | 1000°C (1832°F) | 110-140 MPa | 80-110 MPa | 40-50% | --- **Product Applications** **Heating Element Systems** - Tubular heating elements for industrial furnaces - Sheathed heating elements with internal resistance wires - Cartridge heaters for precise temperature control - Immersion heaters for liquid heating applications - Process air heaters and duct heaters **Industrial Thermal Processing** - Heat treatment furnace radiant tubes - Retort pipes and muffles for protective atmospheres - Thermocouple protection tubes - Radiation tubes for indirect heating - Heat exchanger tubes for high-temperature applications **Electrical and Electronic Applications** - Resistance heating tubes for industrial processes - Electrical insulation supports and bushings - High-temperature electrical contacts - Power transmission components - Vacuum tube components **Specialized Applications** - Laboratory furnace tubes and reactors - Semiconductor processing equipment components - Glass manufacturing machinery parts - High-temperature sensor housings - Aerospace heating system components --- **International Standards & Specifications** **ASTM Standards** - ASTM B163: Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes - ASTM B167: Standard Specification for Seamless Nickel-Chromium-Iron Alloy Pipe & Tube - ASTM B829: Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes **International Standards** - ISO 6207: Nickel and nickel alloys — Seamless pipe and tube - ISO 1127: Stainless steel tubes — Dimensions, tolerances and conventional masses per unit length - IEC 60172: Test procedure for the determination of the temperature index **European Standards** - EN 10305: Steel tubes for precision applications - DIN 17456: Seamless circular stainless steel tubes - EN 10095: Heat resisting steels and nickel alloys **Quality Standards** - EN 10204 3.1/3.2 Material Certification - ISO 9001 Quality Management Systems - ISO 14001 Environmental Management Systems --- **Tube Specifications & Dimensions** **Available Types** - Seamless tubes - Welded and cold-worked tubes - Heat exchanger tubes - Condenser tubes - Precision drawn tubes **Size Range** - Outer Diameter: 3mm to 100mm - Wall Thickness: 0.5mm to 8.0mm - Length: Up to 15 meters (standard) - Custom lengths and sizes available **Tolerances** - Outer Diameter: ±0.1mm to ±0.5mm - Wall Thickness: ±10% - Length: ±2mm (cut length) - Straightness: ≤1mm per meter - Ovality: ≤1% of nominal diameter --- **Fabrication & Processing** **Welding Procedures** - TIG welding recommended for best results - Matching filler metals (ERNiCr-3) - Shielding gas: 100% Argon - Preheating: Generally not required - Post-weld heat treatment: Optional, depending on application **Forming Operations** - Cold bending radius: Minimum 3x OD - Hot bending temperature: 1150-1200°C - Flaring and flanging capability - Swaging and reducing operations - Annealing recommended after severe deformation **Machining Parameters** - Cutting Speed: 15-25 m/min - Feed Rate: 0.1-0.3 mm/rev - Tool Material: Carbide tools recommended - Cooling: Adequate cooling required - Drilling and tapping: Standard procedures applicable --- **Quality Assurance** **Testing Requirements** - Hydrostatic testing to specified pressures - Eddy current testing for defect detection - Ultrasonic testing for wall thickness verification - Flare test for ductility assessment - Flattening test for structural integrity - Visual inspection and surface examination **Certification** - Mill test certificate to EN 10204 3.1/3.2 - Chemical analysis report - Mechanical properties certification - Non-destructive testing reports - Material traceability documentation --- **Performance Data** **Maximum Service Temperatures** - Continuous service in air: 1150°C (2102°F) - Intermittent service: 1200°C (2192°F) - Reducing atmospheres: 1100°C (2012°F) - Sulfur-containing atmospheres: 800°C (1472°F) - Vacuum applications: 1150°C (2102°F) **Electrical Performance** - Resistivity at 20°C: 1.09 μΩ·m - Temperature coefficient: 0.00013/°C - Maximum element temperature: 1200°C - Recommended surface load: 1.0-3.0 W/cm² - Hot to cold resistance ratio: ~1.04 at 600°C --- **Note** Nichrome V Tube offers exceptional performance in high-temperature applications where both structural integrity and electrical resistance properties are required. The tubular form provides significant advantages for fluid heating applications, protective sheathing, and specialized heating element designs. Proper selection of tube dimensions, wall thickness, and fabrication methods is crucial for optimal performance in specific applications. The material's ability to maintain stable electrical characteristics under thermal cycling makes it particularly valuable for precision heating applications. **Disclaimer** The information provided is for reference purposes. Actual properties may vary based on manufacturing process, heat treatment, and specific tube dimensions. For critical applications, consult manufacturer's technical data sheets and applicable standards. All materials should be used in compliance with relevant codes, safety regulations, and engineering standards. Performance characteristics should be verified through appropriate testing for specific application 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 3058 gallon liquid totes Special package is available on request.