Manufactured to ASTM A453 Grade 660 requirements, these high-temperature fasteners are precision-forged, heat-treated, and inspected with full material traceability, embodying decades of fastener engineering and quality control. Engineered for demanding elevated-temperature environments, they provide high tensile and creep resistance along with excellent oxidation and corrosion resistance for use in power generation, petrochemical, and thermal-processing equipment. Features such as dimensional stability at temperature, tight machining tolerances, and compatibility with nickel‑based alloys translate into longer service life, reduced maintenance, and reliable performance under cyclic thermal and corrosive conditions.
We are a specialized manufacturer and supplier of ASTM A453 Grade 660 high-temperature fasteners, combining metallurgical expertise with precision production. Our company leverages advanced forging, machining, heat-treatment coating lines to deliver fasteners that meet stringent industry standards for creep resistance, tensile strength and corrosion performance at elevated temperatures. Certified to ISO and compliant with ASTM specifications, we provide customizable sizes, finishes and OEM support for power generation, petrochemical and aerospace applications. Comprehensive material testing, batch traceability and rapid logistics ensure reliable performance, on-time delivery and long service life — delivering engineered value, safety and cost-effective solutions for critical high-temperature assemblies.
Our company specializes in manufacturing ASTM A453 Grade 660 high‑temperature fasteners, combining metallurgical expertise with precision engineering. We operate ISO‑certified production lines, advanced heat‑treatment and inspection laboratories, and robust supply‑chain capabilities to deliver consistent mechanical strength, elevated‑temperature performance, and superior corrosion resistance. We offer OEM and custom design support, full traceability, material certifications, and batch testing to meet stringent aerospace, power generation, and petrochemical requirements. Committed to on-time delivery, competitive pricing, and responsive technical service, we partner with clients to reduce downtime, maximize safety, and extend asset life through reliable, long‑term fastener solutions tailored to extreme operating environments. Worldwide support.










