Alloy 333,RA-33 Rod,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® Rod (UNS N06333)** --- ### **Overview** Alloy 333 Rod (UNS N06333), commercially known as RA-333®, is a nickel-chromium-molybdenum-tungsten superalloy supplied in rod form, specifically engineered for exceptional high-temperature strength and outstanding corrosion resistance. This wrought rod product maintains excellent mechanical properties and oxidation resistance at temperatures up to 1200°C (2200°F), making it ideal for machining high-temperature components and fasteners. --- ### **Chemical Composition (Weight %)** | Element | Content (%) | Role | |---------|-------------|------| | Nickel (Ni) | 44-48 | Base element, austenitic matrix | | Chromium (Cr) | 24-27 | Oxidation & sulfidation resistance | | Iron (Fe) | 15-20 | Solid solution strengthening | | Molybdenum (Mo) | 2.5-4.0 | Strength in 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 | Deoxidizer | | Titanium (Ti) | ≤0.5 | 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 (essentially 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 (815°C/1500°F):** - **Tensile Strength**: 275 MPa (40 ksi) - **Yield Strength (0.2% Offset)**: 205 MPa (30 ksi) - **Creep Rupture Strength**: Excellent long-term performance - **Stress Rupture Life**: Superior to most austenitic alloys --- ### **Heat Treatment** - **Solution Annealing**: 1150-1200°C (2100-2200°F) - **Soaking Time**: 30-60 minutes per inch of diameter - **Cooling**: Rapid water quench or fast air cool - **Stress Relieving**: 870-900°C (1600-1650°F) when required --- ### **Corrosion Resistance** - **Oxidation Resistance**: Excellent up to 1200°C (2200°F) - **Sulfidation Resistance**: Outstanding in sulfur-containing atmospheres - **Chloride Stress Corrosion**: Highly resistant - **Carburization/Nitriding**: Good resistance in carburizing and nitriding environments - **Acid Resistance**: Good resistance to sulfuric and phosphoric acids --- ### **Product Applications** **High-Temperature Fasteners:** - Bolts and studs for furnace applications - High-temperature nuts and washers - Reactor vessel fasteners - Turbine fastening systems **Machined Components:** - Valve stems and seats - Pump shafts and components - Heat treatment fixtures - Thermocouple protection tubes - Bearing components **Industrial Furnace Applications:** - Roller shafts and bearings - Hanger rods and supports - Retort components - Muffle furnace parts - Sintering furnace components **Chemical Processing:** - Reactor agitator shafts - Mixer components - Distillation column parts - Heat exchanger components **Power Generation:** - Gas turbine components - Boiler parts - Heat exchanger tubesheets - High-temperature bolting --- ### **Fabrication Characteristics** **Machining:** - Machines similar to other nickel-chromium alloys - Use positive rake angles and sharp tools - Recommended 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 **Hot Working:** - Hot working temperature: 1050-1200°C (1920-2190°F) - Forging should be completed above 950°C (1740°F) - Anneal after hot working for optimum properties **Cold Working:** - Good cold workability - Intermediate annealing may be required for severe deformation - Annealing temperature: 1150-1200°C (2100-2200°F) --- ### **International Standards** | Standard Organization | Standard Number | Description | |----------------------|-----------------|-------------| | **ASTM** | B572 | UNS N06333 Rod | | **ASME** | SB-572 | Code-approved rod specification | | **SAE** | AMS 5718 | Nickel Alloy, Corrosion and Heat-Resistant, Bars and Forgings | | **UNS** | N06333 | Unified Numbering System | | **DIN** | 2.4608 | Material Number 2.4608 | | **ISO** | 4955 | Heat-resistant steel and alloy specifications | --- ### **Available Rod Specifications** **Diameter Range:** - Standard sizes: 3 mm to 300 mm (0.125" to 12") - Special diameters available upon request **Lengths:** - Standard: 3-6 meters (10-20 feet) - Cut-to-length service available **Surface Condition:** - Centerless ground - Turned and polished - Hot finished - Black surface --- ### **Quality Assurance** - Complete traceability from melt to finished product - Chemical analysis certification - Mechanical property testing reports - Ultrasonic testing available - Dimensional verification certificates - Heat treatment certification - EN 10204 3.1/3.2 certification available --- ### **Key Advantages** 1. **Exceptional High-Temperature Strength**: Maintains mechanical properties up to 1200°C 2. **Superior Oxidation Resistance**: Excellent scale resistance in oxidizing atmospheres 3. **Outstanding Fabricability**: Good machining and welding characteristics 4. **Versatile Corrosion Resistance**: Performs well in various corrosive environments 5. **Thermal Stability**: Excellent resistance to thermal cycling and shock --- **Notes:** - "RA-333" is a registered trademark of Rolled Alloys - Store rods in clean, dry conditions to prevent surface contamination - Consult technical experts for specific application requirements - Properties may vary with rod diameter and processing history *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 2912 gallon liquid totes Special package is available on request.