S-7750K438 3.068" ID x 3 1/2" OD x 60" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-coated steel construction for prolonged service life in demanding industrial environments
• Versatile dual-connection design featuring threaded NPT end and butt weld/socket options for flexible installation across various piping systems
• Reliable pressure handling with Schedule 40 wall thickness (0.216") maintaining structural integrity under air, gas, oil, steam, and water service
• Precision-engineered threading conforming to ASME B1.20.1 standards ensuring leak-proof connections and compatibility with Class 125/150 fittings
• Robust welded construction providing superior mechanical strength and vibration resistance in continuous operation
• Extended 60-inch length enabling efficient spanning between connection points while reducing joint requirements
• Full regulatory compliance meeting ASTM A53 material specifications and RoHS/REACH environmental standards for global project acceptance

Professional Applications & Engineering Value

This 3" Schedule 40 black-coated steel pipe nipple delivers critical performance where corrosion resistance and connection reliability are paramount. The welded construction combined with NPT threading on one end and butt weld/socket connection on the other addresses common installation challenges in industrial fluid handling systems. Engineered for air, natural gas, oil, steam, and water applications, its ASTM A53 compliant material ensures consistent performance under varying pressure and temperature conditions. The black coating provides an additional protective layer against environmental degradation, making it ideal for chemical plants, power generation facilities, and industrial processing lines where iron and steel flange compatibility is required for Class 125/150 service ratings.

Specification Summary & Compliance

Manufactured to ASME B1.20.1 for precise NPT thread dimensions and ASTM A53/ASTM A733 material standards. Features Class 2A thread tolerances with 3.068" ID and 3-1/2" OD dimensions. Wall thickness maintains Schedule 40 specifications at 0.216". Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, including SVHC requirements updated January 2022.