S-4550K518 1.5" ID x 1 29/32" 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

• Enhanced corrosion resistance with black-coated steel construction for prolonged service life in demanding environments
• Superior pressure handling with Schedule 80 thick-wall design, suitable for Class 300 and 600 flange applications
• Reliable leak-proof connections through precision NPT threading on both ends ensuring secure fittings
• Versatile media compatibility for safe use with air, natural gas, oil, steam, and water systems
• Robust welded construction providing exceptional structural integrity under high-stress conditions
• Industry-standard compliance with ASME B1.20.1, ASTM A53, and ASTM A733 specifications for guaranteed performance
• Optimized flow characteristics with precise 1.5" ID maintaining consistent pressure and volume in piping systems

Professional Applications & Engineering Value

This heavy-duty threaded pipe nipple delivers critical engineering solutions for industrial fluid and gas handling systems. The black-coated steel construction combined with Schedule 80 wall thickness provides exceptional resistance to corrosion and internal pressure fluctuations, addressing common failure points in processing plants and utility networks. The NPT threading on both ends ensures perfect compatibility with iron and steel fittings while maintaining seal integrity under thermal cycling and vibration. Engineered for air, natural gas, oil, steam, and water applications, this nipple's welded construction and standardized dimensions make it ideal for maintenance, repair, and new installations in chemical plants, power generation facilities, and industrial manufacturing operations where reliability is paramount.

Specification Summary & Compliance

Manufactured to exacting standards with NPT thread specifications per ASME B1.20.1, material compliance with ASTM A53 for steel pipe requirements, and ASTM A733 for welded and seamless carbon steel tubing. The nipple maintains precise dimensional accuracy with 1.5" ID, 1 29/32" OD, and 0.2" wall thickness consistent with Schedule 80 specifications. Suitable for use with Class 300 and 600 flanges, this component meets industry standards for pressure-rated applications while ensuring compatibility with iron and steel fitting materials across various industrial systems.