Precision Nickel Iron Alloy 42 (4J42) is a highly specialized material with exceptional thermal expansion stability, making it ideal for use in precision instruments, electronic vacuum devices, and scientific instrumentation. As a leading supplier of precision alloys, our factory produces high-quality hot forged round rods and flat bars of Invar 42 (Feni42) for diverse industrial applications. Our products are made from premium quality raw materials and subjected to rigorous quality control measures to ensure consistent quality and performance. We offer custom sizes and shapes to meet specific customer requirements, and our experienced professionals provide comprehensive technical support and after-sales services. With our cutting-edge technology, excellent R&D capabilities, and market-leading expertise, we bring unmatched versatility and reliability to our customers and enable them to stay ahead of the competition.