S-9157K721 0.493" ID x 43/64" OD x 4 1/2" Long ASTM A312, ASTM A733, ASME B1.20.1 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 304/304L stainless steel construction for long-lasting performance in demanding environments like chemical processing and outdoor installations.
• Reliable leak-proof connections thanks to precision NPT threading that ensures tight seals with compatible fittings, reducing maintenance downtime.
• Enhanced durability under pressure from Schedule 40 seamless design, providing consistent wall thickness to handle air, gas, oil, steam, and water flows safely.
• Versatile industrial compatibility with Class 150 fittings and flanges, allowing easy integration into existing piping systems for various sectors.
• Strict quality assurance through compliance with ASTM A312 and ASME B1.20.1 standards, ensuring dimensional accuracy and mechanical reliability.
• Environmental and safety compliance with RoHS 3 regulations, making it suitable for regulated industries without hazardous substances.
• Easy installation and maintenance with a male threaded end and straight shape, simplifying assembly in tight spaces for reduced labor costs.

Professional Applications & Engineering Value

This 3/8" NPT threaded pipe nipple is engineered from seamless 304/304L stainless steel to address common industrial challenges such as corrosion, high-pressure leaks, and system failures. Its robust Schedule 40 construction and NPT thread type provide a secure, leak-resistant connection for applications involving air, natural gas, oil, steam, and water, minimizing the risk of downtime in HVAC, plumbing, and processing plants. The seamless design enhances structural integrity by eliminating weak points, while the male threaded end allows for quick integration with standard fittings, supporting efficient maintenance and reducing installation time. Ideal for industrial pipe fittings in harsh conditions, this nipple delivers long-term reliability and cost savings by resisting oxidation and wear.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including NPT threading per ASME B1.20.1 for consistent fit and Schedule 40 wall thickness (0.091") to maintain pressure ratings. It meets ASTM A312 for seamless stainless steel pipe specifications and ASTM A733 for welded and seamless carbon and austenitic stainless steel pipe nipples. Compliant with RoHS 3 (2015/863/EU) for environmental safety, it ensures no restricted substances, supporting sustainable industrial operations.