S-9157K803 3.068" ID x 3 1/2" OD x 5 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

• Corrosion-resistant 304/304L stainless steel ensures long-term durability in demanding environments with air, gas, oil, steam, and water
• Welded construction provides superior structural integrity and leak resistance for high-pressure industrial systems
• NPT threaded end with butt weld/socket connect options offers versatile installation flexibility across different piping configurations
• Schedule 40 wall thickness (0.216") delivers optimal strength-to-weight ratio for heavy-duty applications
• Precision 3" pipe size with 3.068" ID and 3.5" OD maintains consistent flow characteristics and easy system integration
• Multi-standard compliance (ASTM A312, ASTM A733, ASME B1.20.1) guarantees engineering reliability and interchangeability
• RoHS 3 compliance ensures environmental responsibility while meeting global regulatory requirements

Professional Applications & Engineering Value

This 3" Schedule 40 stainless steel threaded pipe nipple solves critical connection challenges in industrial fluid handling systems. The 304/304L stainless steel construction provides exceptional corrosion resistance against steam, oil, natural gas, and chemical media, preventing system degradation in demanding environments. The welded construction with NPT threading creates reliable, leak-free joints that withstand vibration and pressure fluctuations. Engineered for Class 150 applications, this adapter bridges threaded and welded systems seamlessly, reducing installation time while maintaining ASTM A312 and ASME B1.20.1 dimensional precision. The combination of butt weld and socket connect options makes it ideal for retrofit projects and new installations across processing plants, power generation facilities, and industrial piping networks.

Specification Summary & Compliance

This threaded pipe nipple features precision NPT threading per ASME B1.20.1 with Class 2A thread tolerances for reliable sealing. Manufactured to ASTM A312 and ASTM A733 specifications for stainless steel pipe and welding fittings, it maintains dimensional accuracy with 3.068" ID and 3.5" OD. The product is RoHS 3 (2015/863/EU) compliant and suitable for Schedule 40, Class 150 systems handling air, natural gas, oil, steam, and water services.