S-4548K482 4.026" ID x 4 1/2" OD x 12" 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 chemical and marine environments.
• Reliable, leak-resistant connections thanks to NPT threads on both ends, ensuring a secure seal for high-pressure media.
• Exceptional durability under pressure from Schedule 40 wall thickness, suitable for Class 150 systems handling air, gas, oil, steam, and water.
• Guaranteed dimensional accuracy and thread integrity, manufactured to meet ASTM A733 and ASME B1.20.1 standards.
• Long-term operational safety with RoHS 3 compliance, free from hazardous substances for environmentally conscious facilities.
• Robust welded construction enhances structural integrity, reducing the risk of failure in demanding industrial applications.
• Versatile compatibility with 316/316L stainless steel flanges and fittings, simplifying system integration and maintenance.

Professional Applications & Engineering Value

This 4" Schedule 40 threaded pipe nipple in 316/316L stainless steel is engineered to address critical challenges in industrial fluid and gas handling. Its NPT threaded connections provide a tight, reliable seal that prevents leaks in systems transporting air, natural gas, oil, steam, and water—common media where pressure fluctuations and corrosive elements pose risks. The welded construction and Class 150 rating ensure it withstands demanding operational stresses, while the material's inherent resistance to pitting and oxidation extends service life in aggressive environments like chemical plants, offshore platforms, and power generation facilities. By meeting ASTM A733 and ASME B1.20.1 specifications, it delivers consistent performance, reducing downtime and maintenance costs for engineers and procurement specialists seeking dependable pipe fittings.

Specification Summary & Compliance

This product adheres to precise dimensional and threading standards, including NPT thread type per ASME B1.20.1 and material specifications under ASTM A733. It is designed for Class 150 applications with a pipe size of 4 inches, Schedule 40, and features a 12-inch length, 4.026" ID, and 4 1/2" OD. Compliance with RoHS 3 (2015/863/EU) ensures it meets environmental regulations for hazardous substance restrictions, supporting safe and sustainable industrial operations.