S-44615K154 4.026" ID x 4 1/2" OD x 4 1/2" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction, extending service life in demanding environments
• Reliable high-pressure performance with Schedule 40 wall thickness (0.237") for industrial fluid and gas handling
• Leak-proof connections ensured by precision NPT threading on both ends per ASME B1.20.1 standard
• Versatile compatibility with iron and steel fittings (Class 125/150) for air, gas, oil, steam, and water systems
• Robust welded construction provides exceptional structural integrity under vibration and thermal stress
• Certified material quality meeting ASTM A53/A733 specifications for consistent mechanical properties
• Optimized flow characteristics with 4.026" ID maintaining efficient media transfer in 4" pipeline systems

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple solves critical sealing and durability challenges in industrial piping networks. The welded construction combined with NPT threading creates permanent, pressure-tight connections that withstand thermal cycling and mechanical stress in steam, oil, and gas applications. The uniform Schedule 40 wall thickness maintains pressure integrity while the protective coating prevents galvanic corrosion when connecting iron and steel fittings. Engineered for Class 125/150 service, this component delivers reliable performance in chemical plants, HVAC systems, and process piping where leak prevention is paramount.

Specification Summary & Compliance

Manufactured to ASME B1.20.1 specifications for NPT thread form and engagement. Material compliance with ASTM A53 (steel pipe standard) and ASTM A733 (welded and seamless carbon steel). Dimensions: 4" nominal size, 4½" length, 4.026" ID, 4½" OD with Class 2A thread tolerances. Suitable for systems operating with air, natural gas, oil, steam, and water media.