S-4550K314 0.546" ID x 27/32" OD x 3 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 industrial environments
• Heavy-duty performance with Schedule 80 thick-wall design that withstands high-pressure applications up to Class 600 flange ratings
• Universal compatibility with NPT threading on both ends ensuring leak-proof connections across air, gas, oil, steam, and water systems
• Precision-engineered dimensions with 3½" length and exact OD/ID specifications for seamless integration into existing piping networks
• Rugged welded construction that maintains structural integrity under continuous vibration and thermal cycling conditions
• Multi-industry compliance meeting ASME B1.20.1, ASTM A53, and ASTM A733 standards for guaranteed quality and safety
• Versatile material compatibility designed for use with iron and steel fittings across Class 300 and 600 flange systems

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple solves critical challenges in industrial fluid handling systems where corrosion resistance and pressure integrity are paramount. The welded construction combined with Schedule 80 thick-wall design provides exceptional burst strength for demanding applications involving air, natural gas, oil, steam, and water transmission. The NPT threading on both ends ensures pressure-tight seals in high-vibration environments, while the protective coating significantly reduces maintenance frequency in corrosive processing plants. Engineering teams specify this component for its reliable performance in Class 300 and 600 flange systems, where consistent dimensional accuracy and material durability directly impact system uptime and safety compliance.

Specification Summary & Compliance

Manufactured to exacting ASME B1.20.1 thread standards with dimensional compliance to ASTM A53 and ASTM A733 material specifications. Features precision NPT threading with standard engagement dimensions for leak-proof performance. The black-coated steel construction provides corrosion protection while maintaining full chemical compatibility with industrial fluids. Product meets industry standards for pressure rating compatibility with Class 300 and 600 flanges in steel piping systems, ensuring reliable performance in critical industrial applications.