S-4549K743 0.493" ID x 43/64" OD x 7" 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 thanks to galvanized steel construction, extending service life in demanding environments
• Reliable leak-proof connections with NPT threading on both ends, ensuring secure sealing in pressurized systems
• Exceptional durability from welded construction and Schedule 40 wall thickness, resisting deformation under stress
• Broad fluid compatibility for air, natural gas, oil, steam, and water applications, reducing inventory needs
• Precise dimensional accuracy with 0.493" ID and 43/64" OD, ensuring easy installation and system integrity
• Industry-standard compliance with ASME B1.20.1 threading, guaranteeing interchangeability and safety
• Versatile fitting compatibility with Class 125 and 150 galvanized iron/steel fittings, maximizing application flexibility

Professional Applications & Engineering Value

This galvanized steel threaded pipe nipple delivers critical engineering value in industrial piping systems where corrosion resistance and pressure integrity are paramount. The zinc-coated surface actively prevents rust formation in humid or chemical-exposed environments, while the Schedule 40 wall thickness (0.091") maintains structural stability under continuous pressure cycles. Its NPT threading conforms to ASME B1.20.1 specifications, creating reliable seals in natural gas distribution, steam lines, and hydraulic oil systems without requiring additional sealants. The welded construction ensures uniform strength throughout the 7" length, eliminating weak points that could compromise system safety in high-vibration applications.

Specification Summary & Compliance

This 3/8" NPT Schedule 40 pipe nipple features precise threading to ASME B1.20.1 standards with Class 2A tolerances for consistent engagement. Manufacturing complies with ASTM A53 (standard for seamless and welded steel pipe) and ASTM A733 (welded and seamless carbon steel mechanical tubing), ensuring material consistency and performance reliability. The product meets industry requirements for Class 125 and 150 fittings compatibility and is suitable for systems handling air, natural gas, oil, steam, and water within specified pressure ratings.