S-98957A513 1 5/8"-8 x 1 ft. ASTM A193 Threaded Rods

Key Features & Benefits at a Glance

• Exceptional tensile strength of 125,000 PSI ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in critical applications.
• Superior hardness rating (Rockwell C35) provides excellent resistance to wear and deformation, extending service life in abrasive environments.
• Fully threaded design allows for adjustable positioning and secure fastening along the entire 1-foot length, offering versatile installation options.
• Precision UN fine threading with Class 2A fit ensures smooth engagement and consistent torque application, minimizing cross-threading risks.
• ASTM Grade B7 material compliance guarantees consistent mechanical properties and chemical composition for predictable performance in high-temperature and high-pressure systems.
• Right-hand thread direction provides standard, intuitive installation compatible with common industrial equipment and procedures.
• ASTM A193 specification met assures quality and reliability for pressure vessels, piping systems, and other demanding mechanical applications.

Professional Applications & Engineering Value

This 1 5/8"-8 threaded rod made from ASTM Grade B7 steel addresses critical engineering challenges in heavy-duty industrial settings. The fully threaded configuration with UN fine threads enables precise adjustment and uniform load distribution across the entire rod length, preventing stress concentration points that lead to fatigue failure. The Class 2A thread fit maintains tight tolerances for secure mating with nuts and components, reducing vibration-induced loosening in machinery and structural assemblies. With its 125,000 PSI tensile strength and Rockwell C35 hardness, this rod provides dependable performance in pressure boundary applications, chemical processing equipment, and high-temperature environments where material integrity is paramount. The compliance with ASTM A193 specifications makes it particularly valuable for pressure vessel construction, power generation systems, and petrochemical installations requiring certified high-strength fasteners.

Specification Summary & Compliance

This threaded rod features 1 5/8"-8 UN fine threading with Class 2A external thread fit and right-hand thread direction. The 1-foot length provides standardized dimensions for consistent application across industrial projects. Manufacturing and material properties strictly adhere to ASTM A193 specification for alloy-steel bolting materials for high-temperature service, with the rod meeting ASTM Grade B7 requirements including 125,000 PSI tensile strength and Rockwell C35 hardness. The product maintains dimensional accuracy per Unified Thread Standard (UN) specifications, ensuring compatibility with standard industrial components and assembly processes.