S-4549K555 0.493" ID x 43/64" OD x 3" 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 environments
• Reliable leak prevention through precision NPT threads that create secure, tight seals in pressurized systems
• Exceptional durability with welded construction that withstands vibration and mechanical stress
• Multi-medium compatibility for safe use with air, natural gas, oil, steam, and water applications
• Industry-standard dimensions with Schedule 40 wall thickness ensuring proper fit and flow characteristics
• Time-saving installation with threaded both ends design for quick assembly and disassembly
• Heavy-duty performance suitable for Class 125 and 150 flange systems in industrial settings

Professional Applications & Engineering Value

This 3/8 NPT Schedule 40 galvanized steel threaded pipe nipple delivers critical engineering solutions for industrial fluid and gas systems. The galvanized steel construction provides essential corrosion protection in demanding environments where moisture, chemicals, or outdoor exposure would compromise ordinary fittings. The precision NPT thread form ensures leak-tight connections in pressurized applications involving natural gas distribution, steam lines, hydraulic oil systems, and compressed air networks. With its welded construction and standardized dimensions, this pipe nipple maintains structural integrity under thermal cycling and mechanical stress, preventing costly downtime in manufacturing plants, processing facilities, and utility installations. The 3-inch length offers optimal spacing flexibility for system layout while maintaining full pressure rating capabilities.

Specification Summary & Compliance

This galvanized steel threaded pipe nipple features precision NPT threads conforming to ASME B1.20.1 standards for reliable sealing performance. Manufactured to Schedule 40 dimensions with 0.091" wall thickness, the fitting maintains consistent Class 2A thread tolerances for proper engagement. The product meets ASTM A53 specifications for material composition and ASTM A733 requirements for welded construction, ensuring mechanical properties suitable for industrial service. Compliant with industry standards for 125 and 150 class fittings, this component is manufactured under quality systems that address material traceability and performance verification requirements.