Alloy 230,Haynes 230 Rod,UNS N06230,E FORU

British Specs:，American Specs:AMS 5878 Sheet, Strip and Plate AMS 5891 Bar and Forgings，German Specs:DIN 17744 No 2.4733,NiCr22W14Mo

**Technical Data Sheet: Alloy 230 / Haynes 230 Rod / UNS N06230** **Nickel-Chromium-Tungsten-Molybdenum Superalloy Rod Product** --- ### **1. Product Overview** Alloy 230 Rod (commercially known as **Haynes 230 Rod**, UNS N06230) is a nickel-chromium-tungsten-molybdenum superalloy supplied in rod form for machining high-temperature components. This product combines exceptional high-temperature strength up to **1200°C (2192°F)** with outstanding oxidation resistance and excellent structural stability. The rod form offers superior machinability and consistent mechanical properties throughout the cross-section, making it ideal for manufacturing critical components in extreme environments. --- ### **2. Chemical Composition (Weight %)** | Element | Content (%) | Key Characteristics | |---------|-------------|---------------------| | Nickel (Ni) | Balance | Austenitic matrix formation | | Chromium (Cr) | 20.0-24.0 | Oxidation resistance | | Tungsten (W) | 13.0-15.0 | Solid-solution strengthening | | Molybdenum (Mo) | 1.0-3.0 | Solid-solution strengthening | | Iron (Fe) | ≤3.0 | Residual element | | Cobalt (Co) | ≤5.0 | Residual element | | Manganese (Mn) | ≤0.50 | Hot workability | | Silicon (Si) | ≤0.40 | Residual element | | Aluminum (Al) | 0.20-0.50 | Oxidation resistance | | Carbon (C) | 0.05-0.15 | Carbide strengthening | | Lanthanum (La) | 0.005-0.050 | Oxide scale adhesion | | Boron (B) | 0.001-0.010 | Grain boundary strength | --- ### **3. Physical Properties** | Property | Value | |----------|-------| | Density | 8.97 g/cm³ | | Melting Range | 1330-1380°C | | Thermal Conductivity | 11.6 W/m·K at 100°C | | Coefficient of Thermal Expansion | 12.4 μm/m·°C (20-100°C) | | Electrical Resistivity | 1.24 μΩ·m | | Magnetic Permeability | Essentially non-magnetic | --- ### **4. Mechanical Properties** **Room Temperature Properties (Solution Annealed):** - **Tensile Strength:** 795 MPa min (115 ksi min) - **Yield Strength (0.2% Offset):** 345 MPa min (50 ksi min) - **Elongation:** 40% min - **Reduction of Area:** 50% min - **Hardness:** 85-100 HRB **Elevated Temperature Performance:** - **Stress Rupture Strength (980°C):** 55 MPa for 100 hours - **Creep Strength (1000°C):** 40 MPa for 1000 hours - **Useful Strength Range:** Up to 1200°C - **Excellent thermal stability** maintained --- ### **5. Product Specifications** **Rod Size Range:** - **Diameter:** 3 mm to 300 mm (0.125" to 12") - **Length:** Random lengths 3-6 meters, cut lengths available - **Tolerance:** h8/h9 standard, special tolerances available **Available Conditions:** - **Solution Annealed:** Optimal for machining - **Hot Finished:** As-forged condition - **Centerless Ground:** Precision applications - **Turned and Polished:** Special surface requirements **Surface Finish:** - Black finish - Ground finish - Peeled finish - Polished finish --- ### **6. Applications** **Aerospace Components:** - Turbine seals and rings - Combustion chamber supports - Afterburner components - Exhaust system fasteners **Industrial Applications:** - Heat treatment fixture parts - Furnace roll journals and shafts - Chemical processing hardware - Nuclear reactor components **Power Generation:** - Gas turbine components - Combustion system parts - High-temperature valves - Turbine blade retainers **Special Applications:** - High-temperature fasteners - Glass manufacturing equipment - Semiconductor processing parts - Thermal processing components --- ### **7. International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | UNS | N06230 | Material designation | | ASTM | B572 | Rod and Bar Specification | | AMS | 5876 | Bar and Forgings | | ASME | SB-572 | Nuclear Applications | | EN/DIN | 2.4733 | European designation | | ISO | 9723 | Aerospace Applications | --- ### **8. Machining & Fabrication** **Machining Guidelines:** - **Tool Material:** Carbide recommended - **Cutting Speed:** 10-20 m/min for roughing - **Feed Rate:** 0.1-0.3 mm/rev - **Coolant:** Heavy-duty soluble oil required - **Chipbreaker Inserts:** Recommended for stringy chips **Heat Treatment:** - **Solution Annealing:** 1230°C ± 15°C - **Rapid Cooling:** Air or water quench - **Stress Relieving:** 870-900°C as required **Welding Characteristics:** - **Excellent Weldability:** GTAW, GMAW processes - **Filler Metal:** AWS A5.14 ERNiCrWMo-1 - **Preheat:** Not required - **Post-Weld Heat Treatment:** Generally not required --- ### **9. Quality Assurance** **Standard Testing:** - Chemical analysis by optical emission spectroscopy - Tensile testing at room temperature - Hardness testing (Rockwell B scale) - Macro-etch testing for soundness **Additional Testing Available:** - Ultrasonic examination per ASTM A388 - Elevated temperature tensile testing - Stress rupture testing - Microstructural evaluation --- ### **10. Technical Advantages** - **Superior high-temperature strength** maintenance - **Exceptional oxidation resistance** up to 1200°C - **Excellent structural stability** under long-term exposure - **Good resistance to carburization and nitridation** - **Consistent mechanical properties** throughout cross-section - **Proven reliability** in critical applications --- ### **11. Packaging & Identification** **Standard Packaging:** - Bundled and protected for shipment - Clear identification tags - Material certification included - Traceability maintained **Quality Documentation:** - Mill Test Certificate EN 10204 3.1/3.2 - Chemical and mechanical test reports - Heat treatment records - Non-destructive testing reports --- **Note:** Haynes 230 Rod offers exceptional performance for high-temperature component manufacturing. The consistent quality and mechanical properties make it suitable for the most demanding applications in aerospace, power generation, and industrial processing. Consult with our technical team for specific machining recommendations and application engineering support.

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 2249 gallon liquid totes Special package is available on request.