S-9157K603 4.026" ID x 4 1/2" OD x 2 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, ensuring long-term reliability in harsh environments with air, natural gas, oil, steam, and water.
• Robust welded design enhances structural integrity and prevents leaks under high-pressure conditions up to Class 150.
• Precision NPT male threading on one end provides secure, leak-resistant connections compatible with standard industrial fittings.
• Durable Schedule 40 wall thickness (0.237") offers excellent strength and wear resistance for demanding pipeline applications.
• Compliance with ASTM A312, A733, and ASME B1.20.1 standards guarantees consistent quality, dimensional accuracy, and performance reliability.
• Versatile socket and butt weld connection options allow flexible installation in various system configurations, reducing assembly time.
• RoHS 3 compliance ensures environmental safety and meets global regulatory requirements for industrial 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 resists oxidation and chemical degradation, making it ideal for air, natural gas, oil, steam, and water applications where corrosion can lead to system failure. The welded construction and NPT male thread ensure a tight seal under varying pressures, minimizing downtime and maintenance costs. Its compatibility with Class 150 fittings and socket/butt weld connections provides engineers with adaptable solutions for pipelines requiring reliable, long-lasting joints in processing plants, energy facilities, and HVAC systems.

Specification Summary & Compliance

This pipe nipple adheres to strict dimensional and performance standards, including 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 specifications. It features a 4.026" ID and 4 1/2" OD with Schedule 40 wall thickness, ensuring precise fit in Class 150 systems. The product is fully RoHS 3 (2015/863/EU) compliant, supporting safe and sustainable industrial operations.