S-4816K331 4.026" ID x 4 1/2" OD x 24" Long ASTM A733, ASME B1.20.1 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316/316L stainless steel construction, ideal for harsh chemical and marine environments
• Reliable pressure handling with Schedule 40 wall thickness (0.237") ensuring durability in air, gas, oil, steam, and water systems
• Leak-proof connections through precision NPT threading on both ends, providing secure sealing in high-pressure applications
• Long-term cost efficiency with welded construction and RoHS 3 compliance, reducing maintenance and replacement frequency
• Broad compatibility with Class 150 fittings and flanges, simplifying integration into existing industrial piping systems
• Standardized dimensional accuracy per ASTM A733 and ASME B1.20.1, ensuring consistent performance and easy installation
• Versatile fluid handling with 4.026" ID and 4 1/2" OD, optimized for efficient flow in demanding process applications

Professional Applications & Engineering Value

This heavy-duty 4-inch Schedule 40 threaded pipe nipple delivers critical engineering solutions for industrial fluid transfer systems. The 316/316L stainless steel composition provides superior pitting and crevice corrosion resistance, essential for chemical processing, offshore platforms, and high-temperature steam lines where carbon steel would rapidly degrade. Its welded construction and NPT threaded ends maintain structural integrity under cyclic pressure loads, preventing costly leaks in compressed air networks, natural gas distribution, and petroleum transfer lines. The precise 24-inch length and standardized threading enable quick installation in tight spaces between flanges or equipment, while the 0.237" wall thickness withstands erosion in abrasive slurry applications. This nipple’s compliance with ASTM A733 and ASME B1.20.1 ensures dimensional interoperability across industrial piping infrastructures.

Specification Summary & Compliance

Manufactured to ASTM A733 standard for welded and seamless carbon and alloy steel pipe nipples, with threading conforming to ASME B1.20.1 for NPT pipe threads. Dimensions include 4" NPS, Schedule 40 profile with 4.026" ID, 4 1/2" OD, and 0.237" wall thickness. Class 150 pressure rating compatibility with 316/316L stainless steel fittings and flanges. Fully RoHS 3 (2015/863/EU) compliant for restricted substance control in industrial applications.