S-4550K512 0.302" ID x 35/64" OD x 5 1/2" Long ASME B1.20.1, ASTM A53, ASTM A733 Thick-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.
• Exceptional pressure handling with Schedule 80 thick-wall (0.119") design, suitable for high-pressure systems up to Class 600 flanges.
• Reliable leak-proof connections through precision NPT threading on both ends, ensuring secure seals in pressurized applications.
• Versatile fluid compatibility for air, natural gas, oil, steam, and water systems, reducing inventory needs for multiple media.
• Robust welded construction enhances structural integrity, preventing failures under vibration and thermal cycling.
• Guaranteed dimensional accuracy with ASME B1.20.1 certification, enabling easy installation and interchangeability.
• Broad industrial compliance meeting ASTM A53/A733 standards, assuring material quality and performance consistency.

Professional Applications & Engineering Value

This thick-wall steel threaded pipe nipple addresses critical industrial challenges where pressure integrity and media resistance are paramount. The black-coated steel material provides an added layer of protection against oxidation and mild chemical exposure, making it ideal for steam and oil applications where moisture and hydrocarbons are present. Its Schedule 80 construction with 0.119" wall thickness ensures minimal risk of burst failures in high-pressure systems, while the NPT threaded both ends design facilitates quick, secure connections to Class 300/600 flanges. Engineers value its welded construction for maintaining alignment under thermal expansion, reducing maintenance downtime in industrial pipe fittings for power plants, processing units, and hydraulic systems.

Specification Summary & Compliance

This 1/4" NPT threaded pipe nipple adheres to ASME B1.20.1 for thread dimensional accuracy and ASTM A53/A733 for material specifications. The product meets standard Class 2A thread tolerances, ensuring compatibility with female NPT ports. It is manufactured in compliance with industry norms for heavy-duty pipe fittings, with RoHS and REACH directives considered in its black-coated steel finish. Suitable for systems requiring Schedule 80 pressure ratings and male threaded connections.