S-4550K417 1.278" ID x 1 21/32" OD x 4 1/2" 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 Schedule 80 wall thickness provides exceptional pressure containment for demanding applications
• Universal compatibility with air, natural gas, oil, steam, and water systems for versatile installation
• Precision NPT threading on both ends ensures leak-tight connections with Class 300/600 flanges and steel/iron fittings
• Certified performance meeting ASME B1.20.1, ASTM A53, and ASTM A733 standards for reliable quality assurance
• Robust welded construction delivers structural integrity under high-pressure and temperature conditions
• Optimized 4 1/2" length provides ideal spacing for piping system configurations and maintenance access

Professional Applications & Engineering Value

This thick-wall steel threaded pipe nipple delivers critical engineering solutions for industrial fluid handling systems. The black-coated steel material combined with Schedule 80 construction provides exceptional durability against corrosion, abrasion, and high-pressure conditions common in oil, gas, and steam applications. The precision NPT threading on both ends ensures secure, leak-resistant connections with Class 300 and 600 flanges, while the welded construction maintains integrity under thermal cycling and vibration. Engineered to handle aggressive media including natural gas, oil, and high-temperature steam, this heavy-duty pipe fitting eliminates common failure points in industrial piping networks, reducing maintenance downtime and ensuring long-term system reliability.

Specification Summary & Compliance

This 1 1/4" Schedule 80 threaded pipe nipple features NPT thread specifications conforming to ASME B1.20.1 standards with dimensional compliance to industry threading classes. Manufactured from black-coated steel meeting ASTM A53 and ASTM A733 material specifications, the product demonstrates full compliance with industrial pressure rating requirements for Class 300 and 600 flange applications. The construction adheres to standardized wall thickness (0.191"), OD (1 21/32"), and ID (1.278") dimensions, ensuring compatibility with industrial piping systems and proper engagement with mating components.