S-44615K158 0.622" ID x 27/32" OD x 5 1/2" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction, extending service life in demanding environments
• Reliable leak-proof connections through precision NPT threading on both ends, ensuring secure fittings with iron and steel components
• High-pressure compatibility with Class 125 and 150 fittings, suitable for air, natural gas, oil, steam, and water systems
• Enhanced structural integrity from welded construction, providing durability under thermal and mechanical stress
• Wide industrial applicability across multiple media including oil and steam, reducing inventory needs for diverse operations
• Precise dimensional consistency with Schedule 40 wall thickness (0.109"), maintaining flow efficiency and installation accuracy
• Long-term performance assurance through compliance with ASME B1.20.1, ASTM A53, and ASTM A733 standards

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple addresses critical challenges in industrial fluid handling systems where corrosion and pressure integrity are primary concerns. The welded construction combined with NPT threading creates a robust seal that prevents leakage in dynamic applications involving steam, oil, and natural gas. Engineers benefit from its Schedule 40 dimensional stability which ensures compatibility with existing iron and steel infrastructure while withstanding thermal expansion. The black coating provides an additional protective layer against oxidation in humid or chemical-exposed environments, making it ideal for petrochemical plants, HVAC systems, and industrial plumbing where long-term reliability outweighs initial cost considerations.

Specification Summary & Compliance

Manufactured to ASME B1.20.1 thread standards with Class 2A tolerance for consistent engagement. The ASTM A53 and ASTM A733 certifications guarantee material composition and welding quality. Dimensional specifications include 1/2" NPT threading, 5-1/2" length, 0.622" ID, and 27/32" OD with 0.109" wall thickness. Compliant with industrial safety standards for applications involving pressurized air, gas, oil, steam, and water systems.