S-44665K332 4.026" ID x 4 1/2" OD x 7" Long ASTM B241 Standard-Wall Aluminum Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Seamless 6061 aluminum construction ensures superior leak resistance and structural integrity under pressure, reducing failure risks in demanding environments.
• NPT male threads on both ends provide reliable, standardized connections for quick installation and compatibility with industrial piping systems.
• Schedule 40 wall thickness (0.237") offers optimal strength-to-weight ratio, ideal for handling air, oil, and water without unnecessary bulk.
• ASTM B241 compliance guarantees material consistency and performance reliability, meeting rigorous industrial standards for aluminum piping.
• RoHS 3 (2015/863/EU) compliance ensures environmental safety and regulatory acceptance for global supply chains.
• Corrosion-resistant aluminum material extends service life in humid or chemically exposed applications, lowering maintenance costs.
• Precise dimensions (4.026" ID, 4 1/2" OD) enable seamless integration with Class 150 fittings and Class 125 flanges, minimizing assembly errors.

Professional Applications & Engineering Value

This 4" Schedule 40 aluminum threaded pipe nipple is engineered to address common industrial challenges such as corrosion, weight constraints, and pressure integrity. The seamless 6061 aluminum construction eliminates weak points, ensuring consistent performance in air, oil, and water systems where leakage or material degradation can cause downtime. Its NPT male threads on both ends simplify installation in high-vibration environments, while the ASTM B241 compliance provides assurance of dimensional accuracy and mechanical properties. Ideal for HVAC, hydraulic, and process piping, this nipple reduces total cost of ownership through durability and RoHS-compliant material safety.

Specification Summary & Compliance

This product adheres to ASTM B241 specifications for wrought aluminum alloy piping, with precise threading conforming to NPT standards for reliable sealing. Dimensions include a 4.026" ID, 4 1/2" OD, and 0.237" wall thickness per Schedule 40 requirements, ensuring compatibility with Class 150 aluminum fittings and Class 125 flanges. It is fully RoHS 3 (2015/863/EU) compliant, meeting environmental regulations for hazardous substance restrictions.