S-4548K542 1.61" ID x 1 29/32" OD x 9 1/2" Long ASTM A733, ASME B1.20.1 Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316/316L stainless steel construction, ideal for chemical and marine applications
• Reliable high-pressure performance with Schedule 40 wall thickness and 150 class rating, ensuring leak-free operation with air, gas, oil, steam, and water
• Precision NPT threading on both ends for secure, standardized connections that resist vibration and thermal cycling
• Long-term durability from welded construction, providing consistent strength and reduced risk of failure under industrial stress
• Broad fluid compatibility for versatile use across multiple media without degradation or contamination concerns
• Regulatory compliance assurance with ASTM A733 and ASME B1.20.1 standards, guaranteeing dimensional accuracy and material quality
• Environmental safety through RoHS 3 compliance, meeting strict EU directives for hazardous substance restrictions

Professional Applications & Engineering Value

This 1 1/2" Schedule 40 threaded pipe nipple addresses critical industrial challenges by combining 316/316L stainless steel with precision NPT threading and welded construction. Engineered for demanding applications in chemical processing, oil and gas pipelines, and steam systems, it resists pitting and crevice corrosion from chlorides and acidic media. The 9 1/2" length and male threaded ends facilitate easy installation in tight spaces, while the consistent 1.61" ID and 0.145" wall thickness maintain flow efficiency and pressure integrity. Ideal for connecting 150 class fittings and flanges, this nipple ensures reliable performance in high-temperature and high-pressure environments, reducing maintenance downtime and replacement costs.

Specification Summary & Compliance

This threaded pipe nipple adheres to ASTM A733 for welded and seamless stainless steel pipe and ASME B1.20.1 for NPT thread standards, ensuring precise Class 2A thread tolerances. Dimensions include a 1 1/2" pipe size, 1.61" ID, 1 29/32" OD, and 0.145" wall thickness. It is fully RoHS 3 (2015/863/EU) Compliant and suitable for use with 316/316L stainless steel fittings and flanges rated for 150 class service.