Alloy 230,Haynes 230 Strip,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 Strip / UNS N06230** **Nickel-Chromium-Tungsten-Molybdenum Superalloy Strip Product** --- #### **1. Product Overview** **Alloy 230 Strip** (commercially known as **Haynes 230 Strip**, UNS N06230) is a precision-rolled nickel-chromium-tungsten-molybdenum superalloy supplied in strip form for applications requiring thin gauge materials with exceptional high-temperature performance. This product combines outstanding oxidation resistance with excellent mechanical properties at temperatures up to **1200°C (2192°F)**, while offering superior dimensional accuracy and surface quality for precision manufacturing applications. --- #### **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** **Standard Properties (Annealed Condition):** - **Tensile Strength**: 795–965 MPa (115–140 ksi) - **Yield Strength (0.2% Offset)**: 345–485 MPa (50–70 ksi) - **Elongation**: 35–45% - **Hardness**: 80–95 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 - **Thermal Fatigue Resistance**: Excellent in thin sections | --- #### **5. Product Specifications** **Strip Dimensions:** - **Thickness**: 0.05 mm to 2.0 mm (0.002" to 0.079") - **Width**: 10 mm to 600 mm (0.394" to 23.6") - **Length**: Coils up to 1000 meters, cut lengths available **Tolerance Standards:** - **Thickness Tolerance**: ±0.003 mm for precision grades - **Width Tolerance**: ±0.1 mm for slit edges - **Camber**: 1 mm per meter maximum - **Flatness**: 2 mm/m maximum **Available Conditions:** - **Annealed**: Optimal for forming and stamping - **Temper Rolled**: Improved flatness and surface finish - **Solution Treated**: Maximum high-temperature properties **Surface Finish Options:** - **Standard Mill Finish** - **Bright Annealed** - **Special Polished** (upon request) - **Pickled Finish** --- #### **6. Applications** **Precision Components:** - Turbine blade seals and shims - Combustion chamber gaskets - High-temperature spring components - Electrical heating element supports **Electronic & Electrical:** - Lead frames for high-temperature electronics - Battery component supports - Power semiconductor substrates - Thermocouple compensation leads **Industrial Processing:** - Furnace conveyor belts - Heat treatment fixture components - Vacuum furnace shielding - High-temperature filter elements **Automotive & Aerospace:** - Exhaust system gaskets - Turbocharger heat shields - Engine sensor mounts - Thermal protection systems --- #### **7. International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | N06230 | Material designation | | **ASTM** | B435 | Sheet, Strip, and Plate | | **AMS** | 5878 | Sheet, Strip, and Plate | | **ASTM** | B248 | Tolerances for Strip Products | | **EN/DIN** | 2.4733 | European designation | | **ISO** | 9445 | Cold-rolled stainless steel strip | --- #### **8. Fabrication Characteristics** **Forming & Stamping:** - **Blankability**: Excellent in annealed condition - **Minimum Bend Radius**: 1T for 90° bends - **Punch Clearance**: 5–8% of material thickness - **Springback**: 10–15% typical - **Deep Drawing**: Suitable with proper tool design **Joining Methods:** - **Resistance Welding**: Excellent suitability - **Laser Welding**: Preferred for precision joints - **Electron Beam Welding**: Suitable for critical applications - **Brazing**: Using nickel-based filler metals - **Adhesive Bonding**: With high-temperature adhesives **Surface Treatments:** - **Pickling**: For oxide removal and surface cleaning - **Passivation**: For improved corrosion resistance - **Electropolishing**: For superior surface finish - **Special Coatings**: Available for specific applications --- #### **9. Quality Assurance** **Standard Testing:** - Dimensional verification with laser scanners - Surface roughness measurement - Tensile testing by lot - Hardness testing per ASTM E18 - Chemical analysis certification **Special Testing Available:** - Microstructural examination per ASTM E112 - Grain size measurement and analysis - Oxide scale adhesion testing - High-temperature stability testing - Fatigue testing for spring applications --- #### **10. Technical Advantages** - **Precision thickness control** for consistent manufacturing - **Superior surface quality** for critical applications - **Exceptional high-temperature strength** maintenance - **Outstanding oxidation resistance** in thin sections - **Excellent formability** for complex component shapes - **Consistent mechanical properties** throughout coils - **Good thermal stability** under cyclic conditions --- #### **11. Packaging & Identification** **Standard Packaging:** - Protective interleaving between layers - Wooden or steel reels for coil products - Weather-resistant wrapping - Custom packaging for special requirements **Identification & Traceability:** - Heat number identification - Mill test certificates - Material grade marking - Full traceability documentation **Storage & Handling:** - Store in dry, controlled environment - Avoid mechanical damage during handling - Protect from surface contamination - Proper stacking to prevent deformation --- **Contact Information:** For technical specifications, sample requests, and application engineering support for Haynes 230 Strip products, please contact our precision strip specialists for comprehensive assistance and customized solutions.

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 2255 gallon liquid totes Special package is available on request.