S-4550K517 1.278" ID x 1 21/32" OD x 5 1/2" Long ASME B1.20.1, ASTM A53, ASTM A733 Thick-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction for extended service life in harsh environments
• Heavy-duty performance with Schedule 80 thick walls that withstand high-pressure applications up to Class 600 flange requirements
• Leak-proof connections ensured by precision NPT threading on both ends meeting ASME B1.20.1 standards
• Versatile fluid compatibility for air, natural gas, oil, steam, and water systems with welded construction integrity
• Industry compliance with ASTM A53 and ASTM A733 specifications for reliable material quality and performance
• Easy installation with male threaded ends and straight design for straightforward piping system integration
• Dimensional precision with 1 1/4" pipe size and 5 1/2" length for accurate fitment in industrial applications

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers exceptional engineering value through its welded construction and Schedule 80 thick-wall design, specifically engineered to address common industrial challenges including pressure fluctuations, corrosion, and connection integrity. The NPT threaded ends create reliable, leak-proof seals in demanding air, natural gas, oil, steam, and water systems, while the protective coating significantly extends service life in corrosive environments. Engineered to meet Class 300 and 600 flange requirements, this heavy-duty nipple provides critical performance assurance for industrial piping networks where system failure is not an option. The combination of ASTM A53 steel material and precision manufacturing ensures consistent performance across diverse industrial applications from processing plants to utility distribution systems.

Specification Summary & Compliance

This threaded pipe nipple features precision NPT threading conforming to ASME B1.20.1 standards with dimensional accuracy including 1 1/4" pipe size, Schedule 80 wall thickness (0.191"), and 5 1/2" length. Manufactured from black-coated steel meeting ASTM A53 and ASTM A733 specifications, the product ensures consistent material quality and performance reliability. The construction complies with industry standards for Class 300 and 600 flange applications, providing assurance of pressure rating compliance and threading precision for secure connections in industrial piping systems.