Based in China, ZYTC Alloy supplies Alloy W (UNS N10004) for high-temperature welding applications and dissimilar joint fabrication. The alloy was originally developed as a filler metal for joining dissimilar superalloys and remains a preferred choice in gas turbine, aerospace, and power generation industries. 1. Product Specifications & PropertiesHastelloy® W is a solid-solution-strengthened nickel-based superalloy with high molybdenum content. It offers excellent weldability and reliability for critical joining applications, particularly when welding dissimilar high-temperature materials. Chemical Composition (%, nominal)| Element | Content |
|---|
| Nickel, Ni | 63 (balance) | | Molybdenum, Mo | 24 | | Iron, Fe | 6 | | Chromium, Cr | 5 | | Cobalt, Co | 2.5 max | | Vanadium, V | 0.60 max |
Mechanical Properties| Property | Metric | Imperial |
|---|
| Tensile Strength | 730-860 MPa | 106,000-125,000 psi | | Yield Strength (0.2% offset) | 320-400 MPa | 46,000-58,000 psi | | Elongation | 40-50% | 40-50% |
Note: Specific mechanical data varies with product form and heat treatment. Contact ZYTC Alloy for form-specific properties. 2. Operating Conditions & Selection GuidelinesPrimary Function: Specifically engineered as a filler metal for joining dissimilar superalloys and heat-resistant materials. Not typically selected for base metal applications where other Hastelloy grades offer more optimized corrosion resistance Critical Advantage: Excellent compatibility with various high-temperature alloys during welding. Developed to address the challenges of joining dissimilar materials in critical service Temperature Range: Suitable for high-temperature service typical of gas turbines and aerospace applications. Properties maintained across operating temperature ranges Common Applications: Welding filler metal for dissimilar superalloy joints, gas turbine component fabrication, aerospace engine and structural part assembly, chemical processing equipment repairs, industrial furnace fixtures, and heat treatment setups
3. Fabrication & Material ComparisonHeat Treatment: Does not respond to precipitation hardening. Used in solution-annealed condition for optimal properties. Standard annealing at 1185°C (2165°F) for 15 minutes followed by rapid water quenching ensures homogeneous microstructure Welding Capabilities: Weldable using GTAW/TIG, GMAW/MIG, and SMAW methods. Specifically formulated for excellent weldability when joining dissimilar alloys. Preferred filler metal for many high-temperature superalloy combinations Forming Characteristics: Good formability in solution-annealed condition. Compatible with standard fabrication methods Machining: Machinable using conventional techniques appropriate for nickel-based alloys Versus Other Filler Metals: Specifically optimized for dissimilar joints where coefficient of thermal expansion differences and metallurgical compatibility are concerns. Offers better performance than standard nickel fillers for certain superalloy combinations Versus C-276: Higher molybdenum content (24% vs. 16%) and different balance optimized for welding characteristics rather than broad corrosion resistance Product Forms: Available as weld wire, filler rods, wrought bars, and custom forms for welding applications
Contact ZYTC Alloy for application engineering support or to request a quotation. Our technical team can assist with filler metal selection for dissimilar superalloy joining applications. ISO 9001 and AS9120 certified supplier. Request free samples and technical specifications. Contact Us:Email:daisy@zytcsteel.com WhatsApp/WeChat: +86 17335753350 |
