S-4548K257 4.026" ID x 4 1/2" 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 material, ideal for harsh environments involving air, natural gas, oil, steam, and water.
• Reliable welded construction ensures structural integrity and leak-free performance under high-pressure industrial conditions.
• Easy installation and compatibility with NPT threaded connections on both ends, allowing quick integration into existing piping systems.
• Durable standard-wall design with Schedule 40 rating, providing excellent strength and longevity for demanding applications.
• Precision threading compliance with ASME B1.20.1 standards, guaranteeing secure fits and reduced risk of thread failure.
• Broad material adaptability for use with 316 stainless steel and 316/316L stainless steel fittings and flanges rated for Class 150 service.
• Environmentally responsible manufacturing with RoHS 3 compliance, meeting strict regulatory requirements for industrial safety.

Professional Applications & Engineering Value

This 4" Schedule 40 NPT threaded pipe nipple in 316/316L stainless steel is engineered to address critical challenges in industrial fluid and gas handling systems. Its welded construction and NPT threaded both ends design provide a robust, leak-resistant connection that withstands pressure fluctuations and corrosive media like oil, steam, and water. The standard-wall thickness and 9-inch length offer optimal rigidity and fit for piping layouts, reducing installation time and maintenance needs. By conforming to ASTM A733 and ASME B1.20.1 specifications, it ensures dimensional accuracy and thread reliability, minimizing downtime in processing plants, chemical facilities, and energy sectors where industrial pipe fittings must perform consistently under stress.

Specification Summary & Compliance

This product meets ASTM A733 for welded and seamless pipe and ASME B1.20.1 for NPT thread standards, ensuring precise dimensions and interchangeability. It is RoHS 3 (2015/863/EU) Compliant, adhering to environmental safety directives. Designed for Class 150 fittings and flanges, it supports reliable performance in various industrial applications with consistent wall thickness and threading tolerances.