Alloy 333,RA-33 Strip,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® Strip (UNS N06333)** --- ### **Overview** Alloy 333 Strip (UNS N06333), commercially known as **RA-333®**, is a nickel-chromium-iron superalloy supplied in thin strip form with precise dimensional tolerances. This product combines exceptional high-temperature strength with outstanding oxidation resistance, making it ideal for precision components operating in severe thermal environments up to **1200°C (2200°F)**. --- ### **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% - **Hardness**: HRB 85-95 **Hard Temper Properties:** - **Tensile Strength**: 860-1030 MPa (125-150 ksi) - **Yield Strength**: 690-860 MPa (100-125 ksi) - **Elongation**: 10-20% **Elevated Temperature Performance:** - **815°C (1500°F) Tensile Strength**: 275 MPa (40 ksi) - **Excellent creep rupture strength** - **Superior stress rupture life** --- ### **Strip Specifications** **Available Dimensions:** - **Thickness**: 0.05 mm to 2.0 mm (0.002" to 0.078") - **Width**: 2 mm to 300 mm (0.078" to 12") - **Length**: Coils or straight lengths **Tolerance Standards:** - **Thickness**: ±0.005 mm for precision grades - **Width**: ±0.1 mm for slit edges - **Camber**: 1 mm per meter maximum **Surface Finish:** - Bright annealed - Cold rolled finish - Special polished surfaces available - Edge condition: Slit, rolled, or deburred --- ### **Product Applications** **Electrical & Electronic Components:** - High-temperature electrical contacts - Spring contacts and connectors - Resistance heating elements - Thermocouple components - Lead frame materials **Industrial Furnace Components:** - Furnace shims and spacers - Heat treatment fixture parts - Retort sealing strips - High-temperature gaskets - Thermal barrier strips **Automotive & Aerospace:** - Engine sensor components - Exhaust system shims - Turbine seal strips - High-temperature spring elements **Precision Mechanical Parts:** - Bellows and diaphragms - Precision stampings - Watch and instrument components - Medical device parts **Chemical Processing:** - Corrosion-resistant shims - Seal components - Instrumentation parts - Reactor internal components --- ### **Fabrication Characteristics** **Stamping & Blanking:** - Excellent for precision stamping operations - Clean blanking characteristics - Minimal burr formation - Good die life characteristics - Suitable for high-speed production **Forming & Bending:** - Excellent cold forming properties - Predictable springback characteristics - Minimum bend radius: 1× thickness - Suitable for complex formed shapes **Welding:** - Excellent weldability - Resistance welding suitable - Laser and electron beam welding applicable - Use matching filler materials **Heat Treatment:** - **Solution Annealing**: 1150-1200°C (2100-2200°F) - **Soaking Time**: 5-15 minutes - **Cooling**: Rapid air or water quench - **Stress Relieving**: 870-900°C (1600-1650°F) --- ### **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | **ASTM** | B435 | UNS N06333 Strip Specification | | **ASME** | SB-435 | Code-approved strip specification | | **SAE** | AMS 5718 | Nickel Alloy Strip and Foil | | **UNS** | N06333 | Unified Numbering System | | **DIN** | 2.4608 | Material Number 2.4608 | | **ISO** | 6208 | Nickel alloy strip specifications | --- ### **Quality Assurance** - Dimensional accuracy certification - Chemical composition verification - Mechanical property testing - Surface quality inspection - Edge condition verification - Heat treatment certification - EN 10204 3.1/3.2 certification available --- ### **Packaging Options** - Protective interleaved coils - Wooden or steel spools - Custom cut lengths - Vacuum sealed for sensitive applications --- ### **Key Advantages** 1. **Precision dimensional tolerances** for critical applications 2. **Exceptional high-temperature performance** up to 1200°C 3. **Superior oxidation and carburization resistance** 4. **Excellent fabricability** for complex components 5. **Consistent mechanical properties** throughout coils --- **Notes:** - "RA-333" is a registered trademark of Rolled Alloys - Store strips in clean, dry conditions - Handle with clean gloves to prevent contamination - Consult technical experts for specific application requirements *For detailed technical assistance and precision application engineering, 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 2918 gallon liquid totes Special package is available on request.