S-7733K341 3.438" ID x 4 1/2" OD x 2 7/8" Long ASME B1.20.1, ASTM A106, ASTM A53, ASTM A733 Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction for extended service life in harsh industrial environments
• Exceptional pressure handling capability with Schedule 160 thickness and 0.531" wall thickness for demanding fluid and gas applications
• Reliable leak-proof connections through fully threaded NPT design that ensures secure sealing with compatible fittings
• Enhanced structural integrity from seamless construction that eliminates weak points and prevents failure under stress
• Versatile media compatibility for air, hydraulic fluid, natural gas, oil, steam, and water systems with consistent performance
• Regulatory compliance assurance meeting REACH and RoHS 3 environmental standards for safe industrial use
• Precision manufacturing according to ASME B1.20.1 and ASTM specifications for guaranteed dimensional accuracy and interchangeability

Professional Applications & Engineering Value

This heavy-duty 4" NPT threaded pipe nipple delivers critical engineering solutions for industrial piping systems requiring maximum reliability. The black-coated steel construction provides essential corrosion protection in environments exposed to moisture and chemicals, while the seamless design eliminates potential failure points that commonly occur in welded alternatives. With Schedule 160 thickness and substantial 0.531" wall thickness, this nipple maintains structural integrity under high-pressure conditions common in hydraulic, steam, and natural gas applications. The fully threaded NPT configuration ensures secure, leak-resistant connections that withstand vibration and thermal cycling. Engineered to handle multiple media types including oil, water, and compressed air, this component reduces inventory needs by serving across various system requirements while maintaining ASTM A106/A53 compliance for material quality assurance.

Specification Summary & Compliance

This 4" NPT threaded pipe nipple features precision threading manufactured to ASME B1.20.1 standards for reliable sealing performance. The component meets rigorous material specifications including ASTM A106, ASTM A53, and ASTM A733, ensuring consistent quality and mechanical properties. With a 3.438" ID and 4.5" OD, the dimensional accuracy supports proper fitment in Class 3000 fitting applications. The product is fully compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, confirming environmental safety and restricted substance adherence for global industrial use.