Alloy 75,Haynes 75 Other/Similar Specs,UNS N06075,E FORU

British Specs:BS HR5 Alloy 75 Bar BS HR203 Alloy 75 sheet BS HR403 Alloy 75 tube* BS HR504 Alloy 75 Bar (rivet)，American Specs:，German Specs:WS 2.4630 WS 2.4951,AFNOR NC 20T

**Technical Datasheet: Alloy 75 (Haynes 75 / UNS N06075) - Other Forms & Similar Specifications** **1. Introduction** Alloy 75 (commercially known as **Haynes 75** and standardized as **UNS N06075**) is a versatile nickel-chromium-tungsten alloy designed for extreme high-temperature service. Beyond standard product forms, this alloy is available in various specialized forms and is recognized under multiple international specifications. This datasheet covers alternative product forms, equivalent specifications, and specialized applications that demonstrate the material's exceptional versatility in high-temperature environments up to 1200°C (2200°F). **2. Chemical Composition (Weight %)** | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Nickel (Ni) | Balance | Forms austenitic matrix, provides corrosion resistance and ductility | | Chromium (Cr) | 18.0-21.0 | Imparts oxidation and sulfidation resistance through protective scale formation | | Tungsten (W) | 14.0-16.0 | Primary solid-solution strengthener for high-temperature strength | | Iron (Fe) | ≤3.0 | Residual element | | Cobalt (Co) | ≤2.0 | Residual element | | Manganese (Mn) | ≤1.0 | Aids in deoxidation during melting | | Silicon (Si) | ≤0.50 | Enhances oxidation resistance | | Carbon (C) | ≤0.10 | Contributes to strength | | Sulfur (S) | ≤0.015 | Impurity element | | Phosphorus (P) | ≤0.015 | Impurity element | **3. Physical Properties** | Property | Value | Condition | |----------|-------|-----------| | Density | 8.94 g/cm³ (0.323 lb/in³) | At 20°C | | Melting Point | ~1370°C (~2500°F) | - | | Thermal Expansion Coefficient | 12.1 μm/m·°C (6.7 μin/in·°F) | 20-1000°C | | Thermal Conductivity | 11.2 W/m·K | At 20°C | | Specific Heat | 431 J/kg·K (0.103 Btu/lb·°F) | At 20°C | | Modulus of Elasticity | 224 GPa (32.5 × 10⁶ psi) | At 20°C | | Electrical Resistivity | 1.28 μΩ·m | At 20°C | **4. Mechanical Properties (Typical for Annealed Condition)** **Room Temperature Properties:** - Tensile Strength: 760 MPa (110 ksi) minimum - Yield Strength (0.2% Offset): 345 MPa (50 ksi) minimum - Elongation: 40% minimum - Hardness: Rb 85 maximum **Elevated Temperature Performance:** - Excellent creep and stress-rupture strength at temperatures above 980°C (1800°F) - Maintains mechanical properties during prolonged high-temperature exposure - Good thermal fatigue resistance **5. Other Product Forms & Specialized Applications** **Wire & Fastener Products:** - Welding wire and electrodes - High-temperature fasteners and bolts - Spring wire for elevated temperature applications - Instrumentation leads and supports **Cast Products:** - Investment cast components - Static castings for furnace applications - Precision cast turbine components **Powder Metallurgy:** - Metal injection molded (MIM) components - Hot isostatic pressed (HIP) near-net shapes - Thermal spray powders **Specialized Applications:** - Nuclear reactor components - Chemical processing equipment - Heat treating fixtures and baskets - Glass manufacturing equipment - Semiconductor processing components **6. International & Cross-Reference Standards** **ASTM Specifications:** - ASTM B435: Plate, Sheet, and Strip - ASTM B572: Rod and Bar - ASTM B564: Forgings - ASTM B619: Welded Pipe - ASTM B622: Seamless Pipe and Tube - ASTM B366: Fittings **International Equivalents:** | Country/Region | Standard | Equivalent Designation | |----------------|----------|------------------------| | Europe (ISO) | ISO 6207 | NiCr20W15 | | Germany | DIN 17742 | NiCr20W15 | | France | NF A54-301 | NiCr20W15 | | UK | BS 3072 | NA 45 | | Japan | JIS H4551 | NCF 75 | | China | GB/T 15008 | NS 3105 | **Aerospace Specifications:** - AMS 5718: Bars, Forgings, and Rings - AMS 5580: Sheet, Strip, and Plate (similar alloys) - MIL-E-21562: Engine components **Industry-Specific Standards:** - ASME Boiler and Pressure Vessel Code: Section II, SB-435, SB-572 - API 6A718: Oilfield applications (modified compositions) - NACE MR0175: Sulfide stress cracking resistant materials **7. Key Characteristics & Advantages** - **Versatile Manufacturing**: Suitable for virtually all manufacturing processes including casting, forging, rolling, and powder metallurgy - **Consistent Performance**: Maintains properties across all product forms and manufacturing methods - **Global Acceptance**: Recognized by major international standards organizations - **Proven Reliability**: Extensive service history in critical applications across multiple industries - **Technical Support**: Comprehensive documentation and technical resources available - **Quality Assurance**: Full traceability and certification for all product forms **8. Quality & Certification** All product forms include: - Mill Test Certificates per EN 10204 3.1/3.2 - Chemical analysis and mechanical test reports - Non-destructive testing reports as required - Heat code traceability - Compliance certificates for specific industry standards **Disclaimer**: This technical data is provided for informational purposes only. Properties may vary based on manufacturing process, heat treatment, and specific product form. For critical applications, consult the manufacturer's current technical data sheets and relevant industry standards. Always verify material certification and testing requirements for your specific application.

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 2063 gallon liquid totes Special package is available on request.