S-68045K838 3.826" ID x 4 1/2" OD x 48" Long ASME B1.20.1, ASTM A733 Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316/316L stainless steel construction for long-lasting performance in harsh chemical and marine environments
• Enhanced pressure handling through Schedule 80 thick-wall design (0.337" wall thickness) for demanding industrial fluid systems
• Reliable leak-proof connections with NPT threads on both ends that maintain integrity under vibration and thermal cycling
• Seamless construction eliminates weak points and provides consistent strength for high-pressure air, hydraulic, and steam applications
• Precision manufacturing ensures perfect fit and compatibility with Class 300/600 flanges and 3000 class fittings
• Extended service life with RoHS 3 compliance and compatibility with multiple media including oil, natural gas, and water
• Reduced installation time with standardized 48" length and ready-to-install threaded connections

Professional Applications & Engineering Value

This 4-inch Schedule 80 stainless steel threaded pipe nipple delivers exceptional engineering value in demanding industrial settings. The 316/316L seamless construction provides superior resistance to corrosion and pitting, making it ideal for chemical processing, marine applications, and offshore platforms. The NPT threaded both ends design ensures secure, leak-proof connections in high-vibration environments while the thick-wall Schedule 80 profile maintains structural integrity under extreme pressure conditions. Engineers specify this nipple for critical applications involving steam distribution, hydraulic fluid systems, and natural gas pipelines where failure is not an option. The seamless manufacturing process eliminates weld weaknesses, providing consistent performance in temperature cycling and pressure surge scenarios common in industrial processing plants.

Specification Summary & Compliance

This heavy-duty pipe nipple features precision NPT threading conforming to ASME B1.20.1 standards with dimensional accuracy including 4-1/2" OD, 3.826" ID, and 0.337" wall thickness. Manufactured to ASTM A733 specifications for seamless stainless steel pipe, it maintains Class 3000 fitting compatibility and Class 300/600 flange ratings. The product is RoHS 3 (2015/863/EU) compliant and suitable for air, hydraulic fluid, natural gas, oil, steam, and water service applications across various industrial sectors.