Alloy 333,RA-33 Wire,UNS N06333,E FORU

British Specs:，American Specs: AMS 5717 Bar and Forgings AMS 5593 Sheet, Strip and Plate，German Specs:

**Technical Datasheet: Alloy 333 / RA-333® Wire (UNS N06333)** --- ### **Overview** Alloy 333 Wire (UNS N06333), commercially known as **RA-333®**, is a nickel-chromium-iron superalloy wire product designed for high-temperature applications requiring exceptional strength, oxidation resistance, and thermal stability. This wire maintains excellent mechanical properties and corrosion resistance in temperatures up to **1200°C (2200°F)**, making it suitable for demanding industrial applications. --- ### **Chemical Composition (Weight %)** | Element | Content (%) | Role | |---------|-------------|------| | Nickel (Ni) | 44.0-48.0 | Austenitic matrix foundation | | Chromium (Cr) | 24.0-27.0 | Oxidation & sulfidation resistance | | Iron (Fe) | 15.0-20.0 | Solid solution strengthening | | Molybdenum (Mo) | 2.5-4.0 | Resistance to reducing environments | | Tungsten (W) | 2.0-4.0 | High-temperature strength | | Cobalt (Co) | 2.0-4.0 | Solid solution strengthening | | Silicon (Si) | 0.5-1.0 | Oxidation resistance | | Manganese (Mn) | 1.0-2.0 | Hot workability | | Carbon (C) | 0.05-0.10 | High-temperature strength | | Aluminum (Al) | 0.5 max | Deoxidizer | | Titanium (Ti) | 0.5 max | Stabilizer | --- ### **Physical Properties** | Property | Value | |----------|-------| | Density | 8.57 g/cm³ (0.309 lb/in³) | | Melting Range | 1370-1425°C (2500-2600°F) | | Thermal Conductivity | 12.5 W/m·K (at 20°C) | | Coefficient of Thermal Expansion | 14.2 μm/m·°C (20-100°C) | | Specific Heat Capacity | 460 J/kg·K | | Electrical Resistivity | 1.18 μΩ·m | | Modulus of Elasticity | 211 GPa (30.6 × 10⁶ psi) | | Magnetic Permeability | <1.005 (non-magnetic) | --- ### **Mechanical Properties** **Annealed Condition:** - **Tensile Strength**: 690-760 MPa (100-110 ksi) - **Yield Strength (0.2% Offset)**: 310-380 MPa (45-55 ksi) - **Elongation**: 40-50% - **Reduction of Area**: 50-60% - **Hardness**: HRB 85-95 **Cold Drawn Condition:** - **Tensile Strength**: 860-1030 MPa (125-150 ksi) - **Yield Strength**: 690-860 MPa (100-125 ksi) - **Elongation**: 15-25% **Elevated Temperature Performance:** - **815°C (1500°F) Tensile Strength**: 275 MPa (40 ksi) - **815°C (1500°F) Yield Strength**: 205 MPa (30 ksi) - **Excellent creep rupture strength** --- ### **Wire Specifications** **Available Forms:** - Spooled wire (0.1-5.0 mm diameter) - Straight lengths (1.0-10.0 mm diameter) - Cut pieces and special shapes **Standard Sizes:** - Fine Wire: 0.1-1.0 mm diameter - Medium Wire: 1.0-3.0 mm diameter - Heavy Wire: 3.0-10.0 mm diameter **Surface Finish:** - Bright finish - Clean and scale-free - Special coatings available --- ### **Product Applications** **Welding Applications:** - GTAW (TIG) welding wire - GMAW (MIG) welding wire - Repair and maintenance welding - Cladding and overlay applications - Joining similar and dissimilar metals **High-Temperature Components:** - Furnace heating elements - Heat treatment fixture wire - Retort and muffle assembly - Thermocouple protection - High-temperature springs **Industrial Applications:** - Chemical processing equipment - Heat exchanger components - Power generation systems - Petrochemical facilities - Glass manufacturing equipment **Special Applications:** - Aerospace components - Nuclear industry applications - Medical device manufacturing - Electronic components - Research and laboratory equipment --- ### **Fabrication Characteristics** **Wire Drawing:** - Excellent drawability in annealed condition - Multiple intermediate anneals may be required - Good surface quality maintained - Consistent mechanical properties **Forming and Bending:** - Excellent formability in annealed condition - Good springback characteristics - Suitable for complex wire forms - Age after forming for maximum properties **Welding Performance:** - Excellent weldability using GTAW process - Suitable for GMAW and SMAW processes - Recommended filler metal: ERNiCrMo-3 or equivalent - Preheating generally not required - Post-weld heat treatment optional **Machining:** - Good machinability in annealed condition - Use positive rake angles and sharp tools - Recommended cutting speeds: 10-20 m/min - Sulfur-free cutting fluids recommended --- ### **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | **ASTM** | B572 | UNS N06333 Rod and Bar | | **AWS** | A5.14 | ERNiCrMo-XX classification | | **ASME** | SB-572 | Code-approved specification | | **SAE** | AMS 5718 | Nickel Alloy Wire | | **UNS** | N06333 | Unified Numbering System | | **DIN** | 2.4608 | Material Number 2.4608 | | **ISO** | 9724 | Nickel alloy wire for general purposes | --- ### **Quality Assurance** - Chemical composition certification - Mechanical property testing - Surface quality inspection - Dimensional verification - Heat treatment certification - Spooling quality inspection - EN 10204 3.1/3.2 certification available --- ### **Packaging Options** - Plastic-spooled wire - Wooden-spooled wire - Coil packs - Straight lengths in bundles - Custom packaging available --- ### **Key Advantages** 1. **Exceptional high-temperature strength** up to 1200°C (2200°F) 2. **Superior oxidation and carburization resistance** 3. **Excellent weldability and fabricability** 4. **Good thermal fatigue resistance** 5. **Consistent performance** in aggressive environments --- **Notes:** - "RA-333" is a registered trademark of Rolled Alloys - Store wire in clean, dry conditions - Handle with care to prevent surface damage - Consult technical experts for specific application requirements *For detailed technical assistance and application engineering support, contact materials engineering specialists.*

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 2923 gallon liquid totes Special package is available on request.