Alloy 230,Haynes 230 Forgings,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 Forgings / UNS N06230** **Nickel-Chromium-Tungsten-Molybdenum Superalloy Forgings** --- #### **1. Product Overview** **Alloy 230 Forgings** (commercially known as **Haynes 230 Forgings**, UNS N06230) are manufactured through controlled thermomechanical processes that optimize the microstructure and mechanical properties of this nickel-based superalloy. The forging process enhances grain structure, eliminates porosity, and improves directional strength, resulting in components with superior performance at temperatures up to **1200°C (2192°F)**. --- #### **2. Chemical Composition (Weight %)** | Element | Content (%) | Metallurgical Function | |---------|-------------|------------------------| | **Nickel (Ni)** | Balance | Austenitic matrix stability | | **Chromium (Cr)** | 20.0–24.0 | Oxidation and corrosion 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 improvement | | **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 enhancement | | **Boron (B)** | 0.001–0.010 | Grain boundary reinforcement | --- #### **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 8.97 g/cm³ (0.324 lb/in³) | | **Melting Range** | 1330–1380°C (2426–2516°F) | | **Thermal Conductivity** | 11.6 W/m·K at 100°C | | **Mean CTE (20-100°C)** | 12.4 µm/m·°C | | **Electrical Resistivity** | 1.24 µΩ·m at 25°C | | **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**: 55 MPa at 980°C for 100 hours - **Creep Strength**: 40 MPa at 1000°C for 1000 hours - **Maximum Service Temperature**: 1200°C continuous | --- #### **5. Forging Process & Capabilities** **Forging Methods:** - **Open-Die Forgings**: For large, simple shapes - **Closed-Die Forgings**: For complex geometries - **Ring Rolling**: For circular components - **Press Forgings**: For high-volume production **Size Range:** - **Weight**: 1 kg to 5000 kg - **Maximum Dimensions**: 4000 mm length - **Ring Sizes**: 200 mm to 4000 mm OD **Heat Treatment:** - **Solution Annealing**: 1230°C ± 15°C - **Quenching**: Rapid air or water cool - **Stress Relieving**: 870–900°C as required - **Aging Treatments**: Custom cycles available | --- #### **6. Applications** **Aerospace & Defense:** - Turbine shafts and disks - Engine mounting components - Afterburner parts - Rocket motor components **Power Generation:** - Gas turbine wheels - Turbine blades and vanes - Combustion chamber components - Nuclear reactor core components **Industrial Equipment:** - High-temperature valves and bodies - Pump shafts and impellers - Heat treatment fixtures - Chemical processing equipment **Special Applications:** - Glass manufacturing rolls - Semiconductor processing parts - Research reactor components - High-temperature testing fixtures | --- #### **7. International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | N06230 | Material designation | | **ASTM** | B564 | Nickel Alloy Forgings | | **AMS** | 5876 | Bar and Forgings | | **ASME** | SB-564 | Pressure vessel applications | | **EN/DIN** | 2.4733 | European designation | | **ISO** | 9723 | Aerospace forgings | --- #### **8. Quality Assurance** **Testing & Inspection:** - **Ultrasonic Testing**: per ASTM A388 - **Liquid Penetrant Inspection**: per ASTM E165 - **Radiographic Examination**: per ASTM E94 - **Macro-Etch Testing**: for grain flow verification - **Mechanical Testing**: per applicable specifications **Certification:** - Mill Test Certificate EN 10204 3.1/3.2 - Chemical and Mechanical Property Reports - Heat Treatment Documentation - Non-Destructive Testing Reports --- #### **9. Design Advantages** - **Superior grain structure** and directional properties - **Enhanced fatigue resistance** - **Improved stress rupture strength** - **Better impact toughness** - **Reduced material anisotropy** - **Elimination of casting defects** - **Optimized mechanical properties** | --- #### **10. Machining & Fabrication** **Machining Guidelines:** - **Tool Material**: Carbide recommended - **Cutting Speeds**: 10–20 m/min for roughing - **Feed Rates**: 0.1–0.3 mm/rev - **Coolant**: Heavy-duty soluble oil required - **Chipbreaker Inserts**: Recommended **Post-Forging Processing:** - **Solution Annealing** after rough machining - **Stress Relief** after heavy machining - **Final Machining** to required dimensions - **Surface Treatment** as specified **Welding Characteristics:** - **Excellent Weldability**: GTAW, GMAW processes - **Filler Metal**: AWS A5.14 ERNiCrWMo-1 - **Preheat**: Not required - **Post-Weld Heat Treatment**: Generally not required | --- #### **11. Technical Advantages** - **Exceptional high-temperature strength** up to 1200°C - **Superior oxidation resistance** in cyclic conditions - **Excellent long-term thermal stability** - **Good resistance to carburization and nitridation** - **Enhanced mechanical properties** through forging process - **Proven reliability** in critical applications - **Consistent quality** and performance | --- **Note:** All forgings are supplied with complete traceability and certification. Custom forging designs and heat treatment cycles are available to meet specific application requirements. Consult with our technical team for design optimization and manufacturing recommendations.

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 2257 gallon liquid totes Special package is available on request.