RA-333 Nickel Alloy (UNS N06333), ATG 33,E FORU

**Product Overview: RA-333 Nickel Alloy (UNS N06333) / ATG 33** **RA-333** (UNS N06333), also known as **ATG 33**, is a high-performance nickel-chromium-cobalt-molybdenum-tungsten alloy specifically engineered for extreme high-temperature applications. This solid-solution strengthened superalloy exhibits exceptional resistance to oxidation, carburization, and thermal fatigue, making it ideal for long-term service in aggressive high-temperature environments up to 1200°C (2192°F). --- ### **Key Characteristics & Advantages** - **Exceptional High-Temperature Strength**: Maintains mechanical properties up to 1200°C (2192°F) - **Superior Oxidation Resistance**: Excellent resistance to scaling and oxidation in air and combustion atmospheres - **Outstanding Carburization Resistance**: Performs well in carburizing environments - **Excellent Thermal Stability**: Withstands cyclic heating and cooling without degradation - **Good Fabricability**: Can be readily formed and welded using standard methods - **Long Service Life**: Provides reliable performance in prolonged high-temperature service --- ### **Chemical Composition (Typical Weight %)** | Element | Content Range (%) | Function Description | |------------------|-------------------|-----------------------| | **Nickel (Ni)** | Balance | Base element providing austenitic matrix | | **Chromium (Cr)**| 24.0-27.0 | Primary oxidation and corrosion resistance | | **Iron (Fe)** | 15.0-20.0 | Enhances mechanical properties and cost-effectiveness | | **Cobalt (Co)** | 2.5-4.0 | Improves high-temperature strength and stability | | **Molybdenum (Mo)**| 2.5-4.0 | Enhances strength and corrosion resistance | | **Tungsten (W)** | 2.5-4.0 | Solid solution strengthener | | **Manganese (Mn)**| ≤1.5 | Improves hot workability | | **Silicon (Si)** | 0.5-1.5 | Enhances oxidation resistance | | **Carbon (C)** | 0.05-0.12 | Controlled for optimal properties | --- ### **Physical Properties** | Property | Typical Value | Test Conditions | |---------------------------------|------------------------|--------------------------| | **Density** | 8.30 g/cm³ | At room temperature | | **Melting Range** | 1290-1350°C | Solidus-Liquidus | | **Thermal Expansion Coefficient**| 14.4 × 10⁻⁶/°C | 20-1000°C range | | **Thermal Conductivity** | 12.1 W/m·K | At 800°C | | **Specific Heat Capacity** | 460 J/kg·K | At 800°C | | **Electrical Resistivity** | 1.25 μΩ·m | At 20°C | | **Young's Modulus** | 210 GPa | At room temperature | --- ### **Mechanical Properties** | Property | Temperature | Typical Value | |------------------------|-------------|----------------------| | **Tensile Strength** | 20°C | 690-760 MPa | | **Tensile Strength** | 815°C | 380-450 MPa | | **Tensile Strength** | 980°C | 170-210 MPa | | **Yield Strength (0.2%)** | 20°C | 310-380 MPa | | **Yield Strength (0.2%)** | 815°C | 240-290 MPa | | **Elongation** | 20°C | 45-55% | | **Elongation** | 815°C | 40-50% | | **Creep Rupture Strength** | 980°C | 45 MPa (1000h) | --- ### **High-Temperature Performance** - **Maximum Continuous Service Temperature**: 1200°C (2192°F) - **Oxidation Resistance**: Excellent up to 1150°C in air - **Cyclic Oxidation**: Outstanding resistance to thermal cycling - **Carburization Resistance**: Superior performance in carburizing atmospheres - **Sulfidation Resistance**: Good resistance to sulfur-containing environments --- ### **International Standards & Specifications** RA-333 complies with the following international standards: - **ASTM B366**: Factory-Made Wrought Nickel Alloy Fittings - **ASTM B435**: UNS N06333 Plate, Sheet, and Strip - **ASTM B572**: UNS N06333 Rod and Bar - **ASTM B619**: UNS N06333 Welded Pipe - **ASME SB-435**: Boiler and Pressure Vessel Code - **DIN 17752**: Nickel Alloys - Chemical Composition --- ### **Applications** 1. **Heat Treatment Industry**: - Furnace radiant tubes and retorts - Heat treatment baskets and fixtures - Annealing covers and muffles - Carburizing and nitriding equipment 2. **Chemical and Petrochemical**: - Reformers and cracking tubes - Catalyst support grids - High-temperature reactors - Process heaters and heat exchangers 3. **Power Generation**: - Heat recovery systems - Waste heat boilers - Gas turbine components - Combustion systems 4. **Aerospace and Defense**: - Rocket engine components - Afterburner parts - High-temperature fasteners - Thermal processing equipment 5. **Industrial Processing**: - Glass manufacturing equipment - Ceramic kiln components - Incineration systems - Thermal oxidizers --- ### **Fabrication Characteristics** - **Hot Working**: 1150-1200°C (2100-2190°F) - **Cold Working**: Good ductility permits severe cold forming - **Annealing**: 1150-1200°C followed by rapid cooling - **Welding**: Excellent weldability using matching filler metals - **Machining**: Similar to other nickel-based superalloys --- ### **Available Forms** - **Plate and Sheet**: Various thicknesses and sizes - **Bar and Rod**: Round, square, and hexagonal sections - **Pipe and Tube**: Seamless and welded varieties - **Wire and Strip**: For specialized applications - **Fittings and Flanges**: Complete piping components - **Forgings**: Custom shapes and sizes --- **Disclaimer**: *The information provided is for technical reference purposes only. RA-333 is a specialized high-temperature alloy requiring proper processing and heat treatment to achieve optimal properties. Actual performance may vary depending on manufacturing processes, service conditions, and environmental factors. Users should consult with qualified materials engineers and adhere to relevant specifications for critical applications. Always refer to the manufacturer's technical data sheets for specific application guidance.*

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 3111 gallon liquid totes Special package is available on request.