S-5038K81 2.469" ID x 2 7/8" OD x 18" Long ASTM B241 Standard-Wall Aluminum Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance from 6061 aluminum construction ensures long service life in demanding air, oil, and water applications
• Seamless design eliminates weak points, providing enhanced structural integrity and leak prevention under pressure
• Precision NPT threading on both ends guarantees secure, leak-tight connections with compatible Class 150 aluminum fittings and Class 125 aluminum flanges
• Heavy-duty Schedule 40 wall thickness (0.203") delivers exceptional durability and pressure handling capability in industrial piping systems
• Full ASTM B241 compliance ensures consistent material quality and performance meeting rigorous industrial standards
• RoHS 3 environmental compliance makes this pipe nipple suitable for regulated industries and environmentally conscious operations
• 18-inch straight configuration provides optimal spacing flexibility while maintaining structural stability in piping layouts

Professional Applications & Engineering Value

This heavy-duty aluminum threaded pipe nipple solves critical industrial challenges where corrosion resistance and reliable pressure containment are paramount. The 6061 aluminum seamless construction combined with NPT threaded ends creates a robust connection system that withstands vibration and thermal cycling in air, oil, and water applications. Engineers specify this ASTM B241 compliant pipe for its predictable performance in connecting Class 150 aluminum fittings and Class 125 aluminum flanges, eliminating galvanic corrosion concerns while maintaining system integrity. The Schedule 40 wall thickness provides an optimal balance between flow capacity and pressure rating, making it ideal for industrial compressed air systems, hydraulic oil lines, and process water piping where aluminum's lightweight yet durable properties deliver significant installation and maintenance advantages.

Specification Summary & Compliance

This 2 1/2" Schedule 40 aluminum threaded pipe nipple features precision NPT threads on both ends with standard pipe threading tolerances. Manufactured to ASTM B241 specifications for aluminum pipe, it ensures consistent dimensional accuracy and material properties. The product is fully RoHS 3 (2015/863/EU) compliant, meeting environmental regulations for hazardous substance restrictions. Designed for use with Class 150 aluminum fittings and Class 125 aluminum flanges, this pipe nipple maintains proper engagement and pressure ratings when installed according to standard piping practices.