S-4550K317 1.278" ID x 1 21/32" 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 demanding environments
• Exceptional pressure handling with Schedule 80 thick-wall design suitable for Class 300/600 flange systems
• Reliable leak-proof connections through precision NPT threading on both ends meeting ASME B1.20.1 standards
• Versatile multi-medium compatibility for air, natural gas, oil, steam, and water applications
• Enhanced structural integrity from welded construction ensuring long-term performance under high stress
• Precise dimensional accuracy with 3 1/2" length and standardized pipe sizing for easy installation
• Industry compliance assurance with ASTM A53 and ASTM A733 certifications for quality and reliability

Professional Applications & Engineering Value

This heavy-duty Schedule 80 threaded pipe nipple delivers critical engineering solutions for industrial fluid and gas systems. The black-coated steel construction provides essential corrosion protection in harsh environments involving oil, steam, and chemical exposure. With NPT threading on both ends and welded construction, it ensures secure, leak-resistant connections in high-pressure applications up to Class 600 flange ratings. The thick-wall Schedule 80 design maintains system integrity under thermal expansion and mechanical stress, while compliance with ASME B1.20.1 standards guarantees precise thread engagement for reliable performance in petroleum, chemical processing, and industrial plumbing systems where failure prevention is paramount.

Specification Summary & Compliance

This 1 1/4" Schedule 80 threaded pipe nipple features NPT threads conforming to ASME B1.20.1 standards for dimensional accuracy and proper sealing. Manufactured from black-coated steel with welded construction, it meets ASTM A53 and ASTM A733 material specifications for quality assurance. The product is engineered for compatibility with Class 300 and Class 600 flange systems, with precise dimensions including 3 1/2" length, 1.278" ID, and 1 21/32" OD. Wall thickness of 0.191" ensures structural integrity for industrial applications involving air, natural gas, oil, steam, and water services.