S-4548K136 0.364" ID x 35/64" OD x 4" 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 from 316/316L stainless steel construction for extended service life in harsh chemical and marine environments
• Seamless design eliminates weak points and provides enhanced structural integrity for high-pressure applications
• Precision NPT threading on both ends ensures leak-tight connections and easy installation in industrial piping systems
• Schedule 40 wall thickness delivers optimal strength-to-weight ratio for handling air, natural gas, oil, steam, and water services
• Full compliance with ASTM A733 and ASME B1.20.1 standards guarantees dimensional accuracy and reliable performance
• RoHS 3 compliance ensures environmental safety and meets international regulatory requirements
• Versatile male threaded connections provide compatibility with Class 150 fittings and flanges across multiple industrial applications

Professional Applications & Engineering Value

This 1/4 NPT threaded pipe nipple delivers critical engineering solutions for demanding industrial environments where corrosion resistance and pressure integrity are paramount. The seamless 316/316L stainless steel construction prevents internal weak points that could compromise system safety, while the NPT thread form creates reliable, leak-resistant joints in compressed air systems, steam lines, and hydrocarbon processing applications. Its Schedule 40 rating provides the optimal wall thickness for maintaining flow efficiency while withstanding pressure fluctuations in oil and gas, chemical processing, and high-temperature steam applications. The combination of seamless manufacturing and precision threading addresses common failure points in industrial piping, reducing maintenance downtime and ensuring long-term operational reliability.

Specification Summary & Compliance

This threaded pipe nipple features NPT threads conforming to ASME B1.20.1 standards with appropriate Class 2A tolerances for reliable engagement. Manufacturing follows ASTM A733 specifications for seamless stainless steel pipe, ensuring consistent dimensional accuracy and material properties. The product is RoHS 3 (2015/863/EU) compliant and suitable for use with Class 150 fittings and flanges. Critical dimensions include 1/4" NPS, Schedule 40 wall thickness (0.088"), and 4" length, providing standardized compatibility across industrial piping systems requiring corrosion-resistant connections.