Alloy 230,Haynes 230 Fittings,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 Fittings / UNS N06230** **Nickel-Chromium-Tungsten-Molybdenum Superalloy Fittings** --- #### **1. Product Overview** **Alloy 230 Fittings** (commercially known as **Haynes 230 Fittings**, UNS N06230) are precision-engineered components manufactured from nickel-chromium-tungsten-molybdenum superalloy for high-temperature piping systems. These fittings maintain excellent mechanical strength and oxidation resistance at temperatures up to **1200°C (2192°F)**, providing reliable performance in critical fluid and gas handling applications under extreme conditions. --- #### **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:** - **Tensile Strength**: 795 MPa min (115 ksi min) - **Yield Strength (0.2% Offset)**: 345 MPa min (50 ksi min) - **Elongation**: 40% min - **Hardness**: 85–100 HRB **High-Temperature Capability:** - **Maximum Service Temperature**: 1200°C continuous - **Stress Rupture Strength**: 55 MPa at 980°C for 100 hours - **Excellent creep and thermal fatigue resistance** | --- #### **5. Product Range & Specifications** **Available Fitting Types:** - **Elbows**: 45°, 90°, 180° - **Tees**: Equal and Reducing - **Reducers**: Concentric and Eccentric - **Caps** and **Stub Ends** - **Crosses** and **Laterals** **Size Range:** - **Diameter**: 1/8" to 12" NPS - **Wall Thickness**: Schedule 5S to XXS - **Connection Types**: Buttweld, Socket Weld, Threaded **Standards Compliance:** - **ASME B16.9**: Factory-Made Wrought Buttwelding Fittings - **ASME B16.11**: Forged Steel Fittings, Socket-Welding and Threaded - **ASME B16.28**: Wrought Steel Buttwelding Short Radius Elbows and Returns - **MSS SP-43**: Wrought Stainless Steel Buttwelding Fittings - **MSS SP-75**: Specifications for High-Test Wrought Buttwelding Fittings --- #### **6. Applications** **Aerospace & Defense:** - Jet engine fuel systems - Afterburner fuel manifolds - Hydraulic system components - Environmental control systems **Power Generation:** - Gas turbine fuel circuits - Heat recovery systems - Boiler feed systems - Nuclear instrumentation lines **Industrial Processing:** - Chemical process piping - Refinery heater systems - High-temperature heat exchangers - Furnace gas systems **Other Applications:** - Petrochemical plants - Pollution control equipment - Semiconductor manufacturing - Heat treating equipment --- #### **7. International Standards** | Standard Type | Standard Number | Application | |---------------|-----------------|-------------| | **UNS** | N06230 | Material designation | | **ASTM** | B366 | Factory-made wrought fittings | | **ASME** | SB-366 | Pressure vessel applications | | **ASTM** | B572 | Rod and bar (raw material) | | **AMS** | 5876 | Bar, forgings, and rings | | **EN/DIN** | 2.4733 | European designation | --- #### **8. Fabrication & Installation** **Manufacturing Methods:** - Hot forging and machining - Precision casting for complex geometries - Cold forming processes - CNC machining for precision components **Welding Requirements:** - **Recommended Process**: GTAW (TIG) - **Filler Metal**: AWS A5.14 ERNiCrWMo-1 - **Preheat**: Not required - **Post-Weld Heat Treatment**: Generally not required - **Welding Procedures**: Qualified per ASME Section IX **Installation Guidelines:** - Proper alignment during welding - Adequate support for thermal expansion - Compatibility with connected piping materials - Follow applicable piping codes (ASME B31.1, B31.3) --- #### **9. Quality Assurance** **Testing & Certification:** - Material traceability documentation - Dimensional verification per applicable standards - Liquid penetrant or magnetic particle inspection - Pressure testing as required - PMI (Positive Material Identification) verification **Quality Standards:** - ISO 9001:2015 certified manufacturing - NACE MR0175 compliant - PED 2014/68/EU certified - ASME Quality System Certificate **Documentation:** - Mill Test Certificate EN 10204 3.1/3.2 - Material Test Reports - Heat Treatment Records - Non-Destructive Testing Reports --- #### **10. Technical Advantages** - **Superior high-temperature strength** retention up to 1200°C - **Exceptional oxidation resistance** in cyclic conditions - **Excellent thermal fatigue resistance** - **Good resistance to carburization and nitridation** - **Maintains mechanical properties** under thermal cycling - **Long service life** in aggressive environments - **Reliable performance** in pressure applications --- #### **11. Corrosion Resistance Properties** - **Oxidation Resistance**: Excellent to 1200°C - **Carburization Resistance**: Good - **Nitridation Resistance**: Good - **Chloride Attack Resistance**: Good - **Sulfidation Resistance**: Moderate to 980°C --- **Note:** All fittings are supplied with full material certification and are manufactured according to applicable international standards. Custom configurations and special requirements are available upon request. Consult with our engineering team for specific application recommendations and technical 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 2256 gallon liquid totes Special package is available on request.