S-44615K527 1.38" ID x 1 21/32" OD x 8" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Corrosion-resistant black coating extends service life in demanding environments with air, natural gas, oil, steam, and water
• Welded steel construction ensures superior structural integrity and leak-proof performance under high-pressure applications
• NPT threading on both ends provides secure, standardized connections with iron and steel fittings rated for Class 125/150 service
• Schedule 40 wall thickness (0.14") delivers optimal strength-to-weight ratio for heavy-duty industrial plumbing and piping systems
• Precision-machined 1 1/4" diameter maintains consistent flow characteristics while meeting strict ASME and ASTM dimensional tolerances
• 8-inch straight design enables flexible installation in tight spaces while maintaining full pressure rating capabilities
• Multi-industry compatibility certified for use across HVAC, process piping, and industrial fluid handling systems

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple addresses critical engineering challenges in industrial fluid transfer systems. The welded construction combined with NPT threading creates a robust pressure boundary that prevents leakage in vibrating or thermal cycling applications. The Schedule 40 wall thickness provides exceptional burst strength for high-pressure steam, oil, and gas services while maintaining compliance with ASME B1.20.1 thread standards. The protective black coating significantly reduces corrosion in humid environments and when handling aggressive media, extending maintenance intervals in chemical processing, power generation, and industrial plumbing systems. Engineered to connect seamlessly with Class 125/150 iron and steel fittings, this nipple delivers reliable performance across temperature extremes and pressure surges common in industrial settings.

Specification Summary & Compliance

Manufactured to exacting NPT thread specifications per ASME B1.20.1 with Class 2A tolerance for guaranteed interchangeability. The ASTM A53 certification ensures consistent material quality and mechanical properties, while ASTM A733 governs the welded construction standards. Dimensions maintain precise 1 1/4" nominal pipe size with 1.38" ID and 1 21/32" OD per schedule 40 requirements. Suitable for systems operating with iron and steel components rated for Class 125 and 150 service conditions. Compliant with industrial safety and material standards for pressure piping applications.