S-68045K837 3.826" ID x 4 1/2" OD x 36" Long ASME B1.20.1, ASTM A733 Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316/316L stainless steel construction for extended service life in harsh chemical and marine environments
• Heavy-duty pressure handling with Schedule 80 thick-wall design (0.337" wall thickness) for reliable performance in high-pressure systems
• Leak-resistant connections through precision NPT threading on both ends that creates secure seals in demanding applications
• Seamless reliability with one-piece construction that eliminates weak points and enhances structural integrity
• Multi-fluid compatibility for safe handling of air, hydraulic fluid, natural gas, oil, steam, and water in various industrial processes
• Standardized performance meeting ASME B1.20.1 and ASTM A733 specifications for consistent quality and dimensional accuracy
• Environmental compliance with RoHS 3 regulations ensuring safe use in regulated industries worldwide

Professional Applications & Engineering Value

This 4-inch Schedule 80 stainless steel threaded pipe nipple delivers critical engineering solutions for industrial fluid systems where reliability is paramount. The 316/316L stainless steel construction provides exceptional resistance to corrosive media including chemicals, saltwater, and high-temperature steam, making it ideal for petrochemical plants, marine applications, and power generation facilities. The seamless design eliminates potential failure points that can occur in welded alternatives, while the NPT threading on both ends ensures secure, leak-free connections in Class 300/600 flange systems. With its 36-inch length and thick-wall construction, this nipple maintains structural integrity under high pressure and vibration, reducing maintenance downtime and replacement costs in critical piping networks handling air, hydraulic fluids, natural gas, oil, steam, and water.

Specification Summary & Compliance

This heavy-duty pipe nipple features precision NPT threading conforming to ASME B1.20.1 standards with dimensional accuracy for reliable mating with compatible fittings. Manufactured from 316/316L stainless steel meeting ASTM A733 specifications, the component delivers consistent wall thickness (0.337") and OD/ID dimensions (4-1/2" OD, 3.826" ID) throughout its 36-inch length. The product is RoHS 3 (2015/863/EU) compliant and engineered for compatibility with Class 300/600 flange systems, ensuring regulatory adherence and performance reliability across industrial applications.