S-4549K733 4.026" ID x 4 1/2" OD x 6 1/2" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Galvanized Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with galvanized steel construction for extended service life in harsh industrial environments
• Reliable leak-proof connections through precision NPT threading on both ends ensuring secure fittings
• High-pressure compatibility with Class 125/150 fittings, suitable for demanding air, gas, oil, steam and water systems
• Dimensional accuracy with Schedule 40 wall thickness (0.237") maintaining consistent flow characteristics
• Robust welded construction providing structural integrity for long-term performance in vibration-prone applications
• Industry-standard compliance meeting ASME B1.20.1 and ASTM specifications for guaranteed interchangeability
• Versatile fluid handling compatible with multiple media including natural gas, oil, steam and water systems

Professional Applications & Engineering Value

This galvanized steel threaded pipe nipple delivers critical performance in industrial piping systems where corrosion resistance and pressure integrity are paramount. The zinc-coated construction prevents rust formation in humid or chemical-exposed environments, while the NPT threaded ends create secure, pressure-tight seals that withstand thermal cycling and mechanical stress. Engineered for air, natural gas, oil, steam, and water applications, its Schedule 40 wall thickness maintains optimal flow rates while providing structural reinforcement at connection points. The welded construction ensures dimensional stability under pressure fluctuations, making it ideal for plant maintenance, process piping, and industrial plumbing systems where reliability cannot be compromised.

Specification Summary & Compliance

Manufactured to exacting standards with NPT thread form per ASME B1.20.1 specifications, ensuring proper engagement with compatible fittings. The galvanized steel material complies with ASTM A53 for pressure pipe applications and ASTM A733 for welded and seamless carbon steel tubing. Dimensions include 4" nominal pipe size with 4.026" ID and 4 1/2" OD, maintaining Schedule 40 pressure rating standards. Suitable for use with Class 125 and 150 fittings in galvanized iron or steel systems, providing reliable performance in industrial fluid handling applications.