Alloy 333,RA-33 Plate,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® Plate (UNS N06333)** --- ### **Overview** Alloy 333 (UNS N06333), commercially known as **RA-333®**, is a nickel-chromium-iron superalloy plate product with additions of molybdenum, tungsten, and cobalt. This plate material offers exceptional high-temperature strength, outstanding resistance to oxidation, carburization, and thermal cycling, making it ideal for structural applications in severe thermal environments up to **1200°C (2200°F)**. --- ### **Chemical Composition (Weight %)** | Element | Content (%) | Role | |---------|-------------|------| | Nickel (Ni) | Balance (~44-48) | 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% - **Reduction of Area**: 50-60% - **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 Strength**: Excellent long-term performance --- ### **Heat Treatment** - **Solution Annealing**: 1150-1200°C (2100-2200°F) - **Soaking Time**: 30 minutes per inch of 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 baffles and curtains - Heat treatment fixtures - Retort and muffle plates - Sintering trays and plates - Roller hearth furnace components **Chemical Processing Equipment:** - Reactor vessel plates - Heat exchanger plates - Distillation column sections - High-temperature vessel fabrication **Power Generation:** - Boiler components - Heat shield plates - Combustion chamber liners - Turbine component supports **Aerospace & Defense:** - High-temperature structural panels - Engine test stand components - Thermal protection systems **Other Applications:** - Glass manufacturing fixtures - Ceramic kiln components - Heat treating baskets and fixtures - High-temperature structural supports --- ### **Fabrication Characteristics** **Machining:** - Similar machinability to other nickel-chromium alloys - Use positive rake angles and sharp tools - Recommended cutting speeds: 10-20 m/min (30-65 SFM) - Use heavy, continuous feeds - Rigid tooling and workpiece support essential **Welding:** - Excellent weldability using common processes - GTAW (TIG) and GMAW (MIG) recommended - Use matching filler metals (ERNiCrMo-XX series) - Pre-heat generally not required - Post-weld heat treatment optional **Forming:** - Good hot and cold workability - Hot working temperature: 1050-1200°C (1920-2190°F) - Cold forming should be followed by stress relief - Suitable for bending, rolling, and pressing operations --- ### **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | **ASTM** | B435 | UNS N06333 Plate, Sheet, and Strip | | **ASME** | SB-435 | Code-approved plate specification | | **SAE** | AMS 5718 | Nickel Alloy Plate and Sheet | | **UNS** | N06333 | Unified Numbering System | | **DIN** | 2.4608 | Material Number 2.4608 | | **ISO** | 4955 | Heat-resistant steel and alloy plate | --- ### **Available Specifications** **Plate Dimensions:** - **Thickness**: 5 mm to 150 mm (0.187" to 6") - **Width**: 1000 mm to 2000 mm (39" to 78") - **Length**: 2000 mm to 6000 mm (78" to 236") **Surface Finish:** - Hot rolled, annealed, and pickled - Cold rolled, annealed, and pickled - Ground finish available - Polished finish (upon request) **Tolerances:** - Thickness tolerance per ASTM B435 - Flatness: Standard and precision grades available --- ### **Quality Assurance** - Complete material traceability - Chemical composition certification - Mechanical property testing - Ultrasonic testing available - Dimensional verification - Heat treatment certification - 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 resistance** 4. **Good thermal fatigue resistance** under cyclic conditions 5. **Outstanding structural stability** at elevated temperatures --- **Notes:** - "RA-333" is a registered trademark of Rolled Alloys - Proper consideration for thermal expansion in design - Store plates in clean, dry conditions - 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 2916 gallon liquid totes Special package is available on request.