S-9157K815 4.026" ID x 4 1/2" OD x 10" 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 extended service life in harsh chemical and moisture-rich environments
• Reliable pressure handling with Schedule 40 wall thickness and Class 150 rating, maintaining integrity in air, gas, oil, steam, and water systems
• Precision threading compatibility featuring NPT male threads on one end for leak-resistant connections meeting ASME B1.20.1 standards
• Versatile connection options with threaded × butt weld and socket connect styles for flexible installation in complex piping layouts
• Strict quality assurance through compliance with ASTM A312 and ASTM A733 specifications, ensuring dimensional accuracy and material consistency
• Environmental compliance with RoHS 3 (2015/863/EU) standards for safe use in regulated industrial applications
• Optimized flow characteristics with 4" diameter and straight design minimizing turbulence in fluid and gas transfer systems

Professional Applications & Engineering Value

This 4" Schedule 40 stainless steel pipe nipple delivers critical performance in demanding industrial applications where corrosion resistance and pressure integrity are paramount. The 304/304L stainless steel construction provides exceptional durability against corrosive media including steam, oil, and natural gas, while the welded construction ensures structural reliability under cyclic loading conditions. The NPT threaded male end enables secure connections in high-vibration environments, preventing leakage in critical process systems. Engineered to ASTM A312 and ASME B1.20.1 standards, this precision adapter maintains dimensional stability across temperature fluctuations, making it ideal for petrochemical plants, power generation facilities, and industrial processing systems where failure prevention is essential for operational continuity and safety compliance.

Specification Summary & Compliance

This standard-wall stainless steel threaded pipe nipple features precise NPT threading per ASME B1.20.1 specifications with 4" pipe size, Schedule 40 wall thickness (0.237"), and 10" length. Manufactured in compliance with ASTM A312 for seamless and welded pipe requirements and ASTM A733 for welded and seamless carbon and austenitic stainless steel pipe nipples. The product meets RoHS 3 (2015/863/EU) compliance standards and is suitable for Class 150 pressure applications across air, natural gas, oil, steam, and water service environments.