S-9157K57 1.61" ID x 1 29/32" OD x 4" 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 thanks to 304/304L stainless steel construction, ensuring long-term reliability in demanding environments with air, natural gas, oil, steam, and water.
• Robust welded construction enhances structural integrity, providing a leak-resistant connection that withstands high-pressure industrial applications.
• Precision NPT threading on one end ensures secure, tight seals with compatible fittings, reducing installation time and maintenance needs.
• Heavy-duty Schedule 40 design offers excellent wall thickness (0.145") for enhanced durability and resistance to mechanical stress.
• Versatile male threaded and socket connect options allow flexible integration into various piping systems, supporting Class 150 fittings and flanges.
• Compliance with ASTM A312, ASTM A733, and ASME B1.20.1 standards guarantees consistent quality, dimensional accuracy, and performance in industrial settings.
• RoHS 3 compliance ensures environmental safety and meets global regulatory requirements for hazardous substance restrictions.

Professional Applications & Engineering Value

This 1 1/2" Schedule 40 stainless steel pipe nipple is engineered to address common industrial challenges, such as corrosion, high-pressure leaks, and system compatibility. Constructed from 304/304L stainless steel, it resists oxidation and chemical degradation in applications involving air, natural gas, oil, steam, and water. The NPT threaded end, combined with a socket connect design, ensures a secure fit that minimizes fluid loss and vibration-induced failures. Its welded construction and 4-inch length provide a sturdy adapter for industrial pipe fittings, supporting seamless integration in HVAC, plumbing, and process piping systems. By meeting ASTM A312 and ASME B1.20.1 specifications, it delivers reliable performance in Class 150 environments, reducing downtime and maintenance costs for B2B operations.

Specification Summary & Compliance

This pipe nipple features precise dimensions, including a 1 1/2" pipe size, 4" length, 1.61" ID, and 1 29/32" OD, with NPT threading conforming to ASME B1.20.1 for consistent fit. It adheres to ASTM A312 and ASTM A733 standards, ensuring material quality and manufacturing consistency. The product is RoHS 3 (2015/863/EU) Compliant, meeting environmental regulations for hazardous substances, and is suitable for use with 304 stainless steel fittings and flanges in Schedule 40 systems.