S-4550K248 1.278" ID x 1 21/32" OD x 5" Long ASME B1.20.1, ASTM A53, ASTM A733 Thick-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction for extended service life in harsh industrial environments
• Heavy-duty pressure handling with Schedule 80 thick-wall design suitable for Class 300/600 flange applications
• Leak-proof connections through precision NPT threading on both ends ensuring secure sealing
• Multi-medium compatibility for reliable performance with air, natural gas, oil, steam, and water systems
• Enhanced structural integrity from welded construction that withstands vibration and mechanical stress
• Industry-standard compliance meeting ASME B1.20.1, ASTM A53, and ASTM A733 specifications for quality assurance
• Universal fitting compatibility designed to work seamlessly with iron and steel fittings in industrial piping systems

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers exceptional performance in demanding industrial fluid handling systems. The Schedule 80 thick-wall construction provides superior pressure containment for steam, oil, and gas applications where system integrity is critical. The precision NPT threading on both ends ensures leak-resistant connections that maintain seal integrity under thermal cycling and vibration. Welded construction enhances durability while the protective black coating resists corrosion in humid or chemical-exposed environments. Engineered for Class 300 and 600 flange systems, this nipple solves common piping challenges by providing reliable, long-lasting connections between iron and steel fittings in industrial plants, processing facilities, and utility systems.

Specification Summary & Compliance

This 1 1/4" Schedule 80 threaded pipe nipple features NPT threads conforming to ASME B1.20.1 standards for dimensional accuracy and proper sealing. Manufactured from ASTM A53 and ASTM A733 compliant steel, the product maintains precise 5" length with 1.278" ID and 1 21/32" OD dimensions. The 0.191" wall thickness ensures pressure rating compatibility with Class 300 and 600 flanges. Compliant with industry standards for material composition and threading specifications, this welded construction pipe nipple meets quality requirements for industrial fluid handling systems.