S-4549K26 4.026" ID x 4 1/2" OD x 5 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, extending service life in demanding environments
• Reliable leak-proof connections through precision NPT threading on both ends, ensuring secure fittings
• Versatile multi-medium compatibility for air, natural gas, oil, steam, and water applications
• Enhanced structural integrity from welded construction, providing consistent performance under pressure
• Precise dimensional accuracy with 4" Schedule 40 specifications, guaranteeing proper fit with standard fittings
• Industry-standard compliance meeting ASME B1.20.1, ASTM A53, and ASTM A733 for quality assurance
• Optimized wall thickness (0.237") balancing strength with flow capacity for efficient system performance

Professional Applications & Engineering Value

This galvanized steel threaded pipe nipple delivers exceptional engineering value in industrial fluid and gas handling systems. The welded construction combined with NPT threading on both ends provides reliable, leak-resistant connections that withstand vibration and pressure fluctuations common in air, natural gas, oil, steam, and water applications. The galvanized surface treatment offers superior protection against corrosion and environmental degradation, significantly reducing maintenance requirements and downtime. With precise Schedule 40 dimensions and standardized threading, this pipe nipple ensures seamless integration with Class 125 and 150 fittings, making it an ideal solution for plumbing, HVAC, industrial processing, and energy distribution systems where durability and reliability are paramount.

Specification Summary & Compliance

This 4" Schedule 40 galvanized steel threaded pipe nipple features NPT (National Pipe Taper) threads conforming to ASME B1.20.1 standards for precise fit and sealing performance. The product meets ASTM A53 specifications for steel pipe and ASTM A733 for welded and seamless carbon steel tubing. Critical dimensions include 4.026" ID, 4.5" OD, and 0.237" wall thickness, maintaining standard wall pipe tolerances for consistent performance. The construction is compatible with galvanized iron and steel fittings rated for Class 125 and 150 applications, ensuring broad system compatibility and regulatory compliance.