S-4548K311 0.269" ID x 13/32" OD x 4 1/2" 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 from 316/316L stainless steel construction, ensuring long-term reliability in harsh chemical and marine environments.
• Robust seamless design eliminates weak points, providing enhanced structural integrity and leak prevention for high-pressure applications.
• Precision NPT threading on both ends guarantees secure, leak-tight connections with compatible fittings, reducing installation time and maintenance.
• Versatile media compatibility safely handles air, natural gas, oil, steam, and water, making it ideal for multi-system industrial use.
• Heavy-duty Schedule 40 wall thickness (0.068") offers excellent durability and pressure resistance for demanding Class 150 systems.
• Full compliance with ASTM A733 and ASME B1.20.1 ensures consistent quality, dimensional accuracy, and interchangeability.
• RoHS 3 environmental compliance meets strict regulatory standards for hazardous substances, supporting sustainable procurement.

Professional Applications & Engineering Value

This 1/8 NPT threaded pipe nipple delivers critical performance in industrial fluid and gas systems where corrosion resistance and pressure integrity are paramount. The seamless 316/316L stainless steel construction prevents internal erosion and withstands aggressive media like steam, oil, and natural gas, eliminating common failure points in threaded connections. Its NPT threading per ASME B1.20.1 ensures precise engagement with Class 150 flanges and fittings, reducing leakage risks in piping systems for chemical processing, power generation, and marine applications. By combining ASTM A733 material consistency with a robust Schedule 40 wall, this nipple provides engineers with a reliable, long-lasting solution that minimizes downtime and maintenance costs in critical infrastructure.

Specification Summary & Compliance

This product meets ASTM A733 for cold-worked welded and seamless stainless steel pipe, with threading conforming to ASME B1.20.1 for NPT standards. Dimensions include a 4-1/2" length, 0.269" ID, 13/32" OD, and 0.068" wall thickness for Schedule 40 pipe. It is RoHS 3 (2015/863/EU) Compliant and suitable for use with Class 150 flanges and fittings in air, natural gas, oil, steam, and water service.