S-4548K323 4.026" ID x 4 1/2" 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 with 316/316L stainless steel construction, ideal for harsh environments involving air, natural gas, oil, steam, and water.
• Robust welded construction ensures long-term structural integrity and leak-free performance under continuous industrial use.
• Precision NPT threading on both ends provides secure, standardized connections that minimize installation time and prevent fluid/gas leaks.
• Heavy-duty Schedule 40 wall thickness (0.237") delivers enhanced pressure containment and durability for demanding applications.
• Full compliance with ASTM A733 and ASME B1.20.1 standards guarantees dimensional accuracy, thread quality, and reliable performance.
• RoHS 3 compliance ensures environmental safety and meets global regulatory requirements for hazardous substances.
• Versatile 4" pipe size with 4 1/2" length offers flexible integration into various piping systems without requiring custom modifications.

Professional Applications & Engineering Value

This 4" Schedule 40 stainless steel threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. The 316/316L stainless steel material provides exceptional resistance to pitting and crevice corrosion, making it suitable for aggressive media like steam, oil, and natural gas. Its welded construction and NPT threaded ends ensure a secure, pressure-tight seal that withstands vibration and thermal cycling—common pain points in process industries. By conforming to ASTM A733 and ASME B1.20.1 specifications, it delivers consistent thread engagement and dimensional stability, reducing the risk of system failures in high-pressure applications such as chemical processing, power generation, and water treatment plants.

Specification Summary & Compliance

This pipe nipple features Class 150 compatibility for flanges and fittings, with precise NPT thread form per ASME B1.20.1 ensuring proper fit and pressure sealing. Manufacturing adheres to ASTM A733 for welded and seamless pipe, guaranteeing wall thickness, OD, and ID tolerances. The product is RoHS 3 (2015/863/EU) Compliant, confirming it is free from restricted hazardous substances, and is suitable for use under ASME pressure and material guidelines.