S-4548K317 1.38" ID x 1 21/32" 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 chemical and marine environments
• Reliable pressure handling with Schedule 40 wall thickness, maintaining integrity in high-pressure air, gas, oil, and steam systems
• Leak-proof connections through precision NPT threading on both ends, ensuring secure seals in industrial piping
• Long-term durability from welded construction, providing robust performance in continuous operation
• Broad media compatibility for use with air, natural gas, oil, steam, and water, reducing inventory needs
• Regulatory compliance with RoHS 3 standards, supporting environmental and safety requirements
• Easy installation with male threaded design, simplifying assembly in Class 150 flange systems

Professional Applications & Engineering Value

This 316/316L stainless steel threaded pipe nipple delivers critical corrosion resistance in demanding industrial environments where air, natural gas, oil, steam, and water systems face constant exposure to moisture, chemicals, and high temperatures. The welded construction and Schedule 40 wall thickness ensure structural integrity under pressure fluctuations, while the NPT threaded connections on both ends provide reliable, leak-resistant joints that withstand vibration and thermal cycling. Engineered to ASTM A733 and ASME B1.20.1 specifications, this component offers predictable performance in chemical processing, oil and gas pipelines, power generation, and industrial plumbing systems where failure prevention is paramount.

Specification Summary & Compliance

This 1 1/4" Schedule 40 NPT threaded pipe nipple features precise NPT thread form per ASME B1.20.1 standards with dimensional accuracy including 1.38" ID, 1 21/32" OD, and 0.14" wall thickness. Manufactured to ASTM A733 specifications for welded and seamless carbon and alloy steel pipe nipples, it ensures consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) compliant and suitable for use with Class 150 flanges and fittings in various industrial applications.