S-44615K157 0.493" ID x 43/64" OD x 5 1/2" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to the black-coated steel construction, extending service life in demanding environments
• Robust welded construction ensures high-pressure integrity and prevents leaks in critical air, gas, oil, steam, and water systems
• Precision NPT threading on both ends guarantees a secure, leak-free connection with iron and steel fittings, reducing installation time
• Heavy-duty Schedule 40 wall thickness provides excellent structural strength and durability for Class 125 and 150 applications
• Compliance with major industry standards including ASME B1.20.1, ASTM A53, and ASTM A733 ensures reliability and interchangeability
• Versatile fluid compatibility for use with air, natural gas, oil, steam, and water, simplifying inventory for multiple systems
• Standard-wall steel design offers the ideal balance of strength and weight for a wide range of industrial piping configurations

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple is engineered to solve common industrial piping challenges, including corrosion, high-pressure leaks, and fitting compatibility. The welded construction and NPT threaded both ends design provide a robust, sealed connection that withstands the rigors of air, natural gas, oil, steam, and water service. Its Schedule 40 wall thickness and compliance with ASME B1.20.1 ensure dimensional accuracy and thread integrity, preventing system failures. This makes it an essential standard-wall steel pipe component for maintaining efficiency and safety in plants, manufacturing facilities, and utility systems where reliable iron or steel fittings are critical.

Specification Summary & Compliance

This 3/8" pipe nipple features NPT threads conforming to ASME B1.20.1 for precise Class 2A fit. It is manufactured from steel meeting ASTM A53 and ASTM A733 specifications, ensuring material quality and performance. The product is designed for use with Class 125 and 150 iron and steel fittings, confirming pressure rating compliance. It adheres to industry standards for dimensional accuracy, including pipe size, wall thickness, and threading, supporting reliable integration into certified industrial piping systems.