S-9157K903 4.026" ID x 4 1/2" OD x 6" 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, ideal for harsh environments involving air, natural gas, oil, steam, and water.
• Reliable high-pressure handling with Class 150 rating and Schedule 40 wall thickness, ensuring durability in demanding industrial applications.
• Versatile dual-connection design featuring NPT threading on one end and butt weld/socket connect options, allowing flexible installation in various piping systems.
• Precision-engineered dimensions with 4" pipe size and 0.237" wall thickness, providing consistent fit and optimal flow performance.
• Long-term operational safety through compliance with ASTM A312, ASTM A733, and ASME B1.20.1 standards, guaranteeing material and threading quality.
• Environmental and regulatory compliance with RoHS 3 (2015/863/EU), making it suitable for regulated industries and sustainable operations.
• Robust welded construction enhances structural integrity, reducing the risk of leaks and failures under continuous use.

Professional Applications & Engineering Value

This 4" Schedule 40 stainless steel threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling systems. Constructed from 304/304L stainless steel, it offers excellent resistance to corrosion and oxidation, making it ideal for applications involving air, natural gas, oil, steam, and water. The combination of NPT threading on one end and butt weld or socket connect options provides versatile installation, reducing assembly time and improving system integrity. Its Class 150 rating and precise dimensions ensure reliable performance in high-pressure environments, minimizing downtime and maintenance costs. By meeting stringent standards like ASTM A312 and ASME B1.20.1, this nipple delivers consistent quality and safety, supporting efficient operations in chemical plants, power generation, and HVAC systems.

Specification Summary & Compliance

The nipple features precise dimensions with a 4.026" ID and 4 1/2" OD, adhering to Schedule 40 requirements for consistent wall thickness. It complies with ASTM A312 for seamless and welded pipe, ASTM A733 for welded and seamless carbon and austenitic stainless steel pipe nipples, and ASME B1.20.1 for NPT thread standards, ensuring dimensional accuracy and interoperability. Additionally, it is RoHS 3 (2015/863/EU) compliant, supporting environmental and safety regulations in industrial procurement.