S-4550K916 0.957" ID x 1 5/16" OD x 11" Long ASME B1.20.1, ASTM A53, ASTM A733 Thick-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Corrosion-resistant black coating extends service life in demanding industrial environments, reducing replacement frequency and maintenance costs.
• Heavy-duty Schedule 80 thick-wall construction provides superior pressure handling and structural integrity for high-stress fluid and gas applications.
• Welded design and NPT threading on both ends ensure leak-proof, secure connections that withstand vibration and thermal cycling.
• Compatibility with multiple media including air, natural gas, oil, steam, and water, offering versatile application across various industrial systems.
• Precision threading conforming to ASME B1.20.1 guarantees easy installation and reliable sealing with standard NPT fittings.
• Certified to ASTM A53 and ASTM A733 standards for consistent material quality and mechanical performance you can trust in critical operations.
• Designed for Class 300 and 600 flanges enabling seamless integration into high-pressure piping networks without compatibility concerns.

Professional Applications & Engineering Value

This thick-wall steel threaded pipe nipple is engineered to address common failure points in industrial fluid and gas handling systems. The black-coated steel construction provides an essential barrier against oxidation and corrosive elements, significantly enhancing durability in harsh environments like chemical plants, power generation facilities, and oil refineries. Its Schedule 80 wall thickness and welded design ensure it can handle the high pressures and mechanical stresses encountered with steam, natural gas, oil, and water applications. The precision NPT threading on both ends, manufactured to ASME B1.20.1, eliminates leakage risks and simplifies maintenance, reducing system downtime. This component is a reliable connector for Class 300 and 600 steel flanges, making it ideal for upgrading or repairing critical piping infrastructure where safety and longevity are paramount.

Specification Summary & Compliance

This 1" Schedule 80 pipe nipple features a length of 11", ID of 0.957", OD of 1 5/16", and wall thickness of 0.179". Threading is NPT (National Pipe Taper) on both ends, conforming to ASME B1.20.1 for dimensional accuracy and proper sealing. The product is manufactured in compliance with ASTM A53 (specifying standard for seamless and welded steel pipe) and ASTM A733 (covering welded and seamless carbon and austenitic stainless steel pipe nipples), ensuring material consistency and performance reliability. It is suitable for use with iron and steel fittings and is designed to meet the requirements for industrial applications involving air, natural gas, oil, steam, and water.