S-4550K242 1.278" ID x 1 21/32" OD x 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 walls providing exceptional pressure containment and structural integrity
• Universal compatibility with NPT threading on both ends ensuring reliable, leak-free connections across multiple systems
• Versatile fluid handling capability for air, natural gas, oil, steam, and water applications with maximum operational safety
• Precision manufacturing to ASME B1.20.1 standards guaranteeing consistent thread quality and reliable sealing performance
• Robust welded construction delivering superior mechanical strength and resistance to vibration and thermal cycling
• Industry-standard compliance with ASTM A53 and ASTM A733 specifications ensuring material quality and performance reliability

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers exceptional engineering value in demanding industrial settings where reliability is paramount. The Schedule 80 thick-wall construction provides critical pressure containment for high-stress applications involving air, natural gas, oil, steam, and water systems. The NPT threading on both ends ensures secure, leak-resistant connections that withstand vibration and thermal expansion, while the welded construction maintains structural integrity under continuous operation. Engineered to meet Class 300 and 600 flange requirements, this heavy-duty connector solves common industrial challenges including corrosion prevention, pressure management, and long-term durability in piping networks. The combination of certified materials and precision manufacturing makes it an ideal solution for maintenance, repair, and new installation projects across multiple industrial sectors.

Specification Summary & Compliance

This 1 1/4" Schedule 80 pipe nipple features NPT threading conforming to ASME B1.20.1 standards for dimensional accuracy and thread form. Manufactured from black-coated steel with 2" length, 1.278" ID, and 0.191" wall thickness, it meets ASTM A53 and ASTM A733 material specifications for quality assurance. The product is designed for use with iron and steel fittings rated for Class 300 service and compatible with steel flanges rated for Class 300 and 600 applications. All manufacturing processes adhere to industry standards for dimensional tolerances, material composition, and performance verification.