S-4500K138 1.5" ID x 1 29/32" OD x 20" Long ASME B1.20.1, ASTM A53, ASTM A733 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 demanding environments
• Heavy-duty welded construction ensures maximum structural integrity and leak prevention under high-pressure conditions
• Universal compatibility with air, natural gas, oil, steam, and water systems across 300/600 class applications
• Precision NPT threading on both ends provides secure, leak-resistant connections that meet ASME B1.20.1 standards
• Thick Schedule 80 wall thickness (0.2") delivers exceptional burst strength and durability in high-pressure industrial systems
• Full regulatory compliance with REACH and RoHS 3 ensures environmental safety and workplace regulatory adherence
• Standardized dimensions (1 1/2" pipe size, 20" length) enable easy integration with existing iron and steel piping systems

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers critical engineering solutions for industrial fluid handling systems. The welded construction combined with Schedule 80 thickness provides exceptional resistance to pressure surges and mechanical stress in demanding applications including compressed air lines, steam distribution, and hydrocarbon processing. The NPT male threading on both ends ensures reliable, leak-free connections that maintain integrity across thermal cycling and vibration. Engineered for 300/600 class flanges and compatible with iron and steel fittings, this nipple solves common installation challenges in petrochemical, manufacturing, and utility applications where air, natural gas, oil, steam, and water conveyance requires durable, code-compliant components that withstand aggressive service conditions while meeting strict industry standards.

Specification Summary & Compliance

Manufactured to precise dimensional standards with NPT thread specifications per ASME B1.20.1, this pipe nipple maintains Class 2A thread tolerances for reliable sealing performance. The component meets material specifications under ASTM A53 and ASTM A733 for consistent quality and mechanical properties. Full compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations ensures environmental responsibility and workplace safety. The 1 1/2" pipe size with Schedule 80 wall thickness (0.2") provides standardized integration within industrial piping systems requiring robust pressure containment and long-term reliability.