S-4548K239 1.38" ID x 1 21/32" OD x 9" Long ASTM A733, ASME B1.20.1 Standard-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
• Reliable pressure handling with Schedule 40 wall thickness maintaining integrity in 150 class air, gas, oil, steam, and water systems
• Leak-resistant connections through precision NPT threading on both ends ensuring secure sealing in high-pressure applications
• Dimensional accuracy meeting ASTM A733 and ASME B1.20.1 specifications for consistent fit and easy installation
• Environmental compliance with RoHS 3 regulations ensuring safe use in regulated industrial applications
• Robust welded construction providing enhanced structural strength for demanding process piping systems
• Versatile compatibility with 316 stainless steel fittings and flanges for seamless system integration

Professional Applications & Engineering Value

This 1 1/4" Schedule 40 threaded pipe nipple delivers exceptional performance in critical industrial fluid handling systems. The 316/316L stainless steel composition provides outstanding resistance to chloride-induced stress corrosion cracking, making it ideal for chemical processing, marine applications, and offshore oil and gas operations. The NPT threaded ends ensure pressure-tight seals in steam distribution, compressed air lines, and hydraulic systems, while the welded construction maintains structural integrity under thermal cycling and vibration. Engineered to ASTM A733 and ASME B1.20.1 standards, this pipe nipple offers reliable dimensional consistency for maintenance and new construction projects across multiple industrial sectors.

Specification Summary & Compliance

This threaded pipe nipple features NPT thread form compliant with ASME B1.20.1 specifications, ensuring proper engagement and sealing performance. Manufacturing follows ASTM A733 standards for welded and seamless wrought steel pipe nipples, guaranteeing dimensional accuracy and material quality. The product meets RoHS 3 (2015/863/EU) compliance requirements and is rated for Class 150 applications with compatible 316 stainless steel fittings and flanges. Critical dimensions include 1.38" ID, 1 21/32" OD, and 0.14" wall thickness, maintaining Schedule 40 pressure rating integrity across the 9" length.