Alloy 333,RA-33 Sheet,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® Sheet (UNS N06333)** --- ### **Overview** Alloy 333 (UNS N06333), commercially known as **RA-333®**, is a nickel-chromium-iron superalloy sheet product with strategic additions of molybdenum, tungsten, and cobalt. This sheet material delivers exceptional high-temperature performance, outstanding oxidation resistance, and excellent fabricability, making it suitable for demanding applications 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** **Room Temperature (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 **Elevated Temperature Performance:** - **540°C (1000°F) Tensile Strength**: 550 MPa (80 ksi) - **815°C (1500°F) Tensile Strength**: 275 MPa (40 ksi) - **980°C (1800°F) Tensile Strength**: 170 MPa (25 ksi) - **Creep Rupture Strength**: Excellent performance under sustained load | --- ### **Heat Treatment** - **Solution Annealing**: 1150-1200°C (2100-2200°F) - **Soaking Time**: 15-30 minutes depending on thickness - **Cooling**: Rapid water quench or fast air cool - **Stress Relieving**: 870-900°C (1600-1650°F) when required --- ### **Product Applications** **Industrial Furnace Components:** - Furnace liners and curtains - Heat treatment fixtures - Retort and muffle assemblies - Sintering trays - Roller hearth furnace parts **Chemical Processing Equipment:** - Reactor vessel linings - Heat exchanger components - High-temperature gaskets - Expansion joints **Power Generation:** - Boiler components - Heat shield assemblies - Combustion chamber parts - Ducting systems **Aerospace & Defense:** - High-temperature structural panels - Engine compartment shielding - Thermal protection systems - Exhaust system components **Other Applications:** - Glass manufacturing fixtures - Ceramic kiln components - Heat treating baskets - High-temperature seals and shields --- ### **Fabrication Characteristics** **Forming and Stamping:** - Excellent cold forming characteristics - Suitable for deep drawing operations - Good bend performance - Minimum bend radius: 2× thickness - Age after forming for maximum properties **Machining:** - Similar machinability to other nickel-chromium alloys - Use positive rake angles and sharp tools - Recommended cutting speeds: 15-25 m/min - Use sulfur-free cutting fluids **Welding:** - Excellent weldability using GTAW/TIG process - Suitable for GMAW/MIG and SMAW processes - Recommended filler metal: ERNiCrMo-3 or equivalent - Preheating generally not required - Post-weld heat treatment optional --- ### **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | **ASTM** | B435 | UNS N06333 Plate, Sheet, and Strip | | **ASME** | SB-435 | Code-approved sheet specification | | **SAE** | AMS 5718 | Nickel Alloy Sheet and Strip | | **UNS** | N06333 | Unified Numbering System | | **DIN** | 2.4608 | Material Number 2.4608 | | **ISO** | 6208 | Nickel alloy sheet specifications | --- ### **Available Specifications** **Sheet Dimensions:** - **Thickness**: 0.5 mm to 6.0 mm (0.020" to 0.250") - **Width**: 600 mm to 1500 mm (24" to 60") - **Length**: 1000 mm to 3000 mm (39" to 118") **Surface Finish:** - Cold rolled, annealed, and pickled - Bright annealed finish available - No. 1, 2B, and 2D finishes - Special polished surfaces (upon request) **Tolerances:** - Thickness tolerance per ASTM B435 - Width tolerance: ±1.5 mm - Length tolerance: ±3.0 mm --- ### **Quality Assurance** - Complete material traceability - Chemical composition certification - Mechanical property testing - Surface quality inspection - Heat treatment certification - Dimensional verification - EN 10204 3.1/3.2 certification available --- ### **Key Advantages** 1. **Exceptional high-temperature strength** up to 1200°C (2200°F) 2. **Superior oxidation resistance** in continuous service 3. **Excellent carburization and sulfidation resistance** 4. **Good thermal fatigue resistance** under cyclic conditions 5. **Excellent fabricability** for complex components --- **Notes:** - "RA-333" is a registered trademark of Rolled Alloys - Store sheets 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 2917 gallon liquid totes Special package is available on request.