S-4500K21 0.423" ID x 43/64" OD x 24" Long ASME B1.20.1, ASTM A53, ASTM A733 Thick-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-coated steel construction for prolonged service life in demanding environments
• Superior pressure handling with Schedule 80 thick-wall design, compatible with Class 300/600 flanges for high-pressure air, gas, oil, steam, and water systems
• Leak-proof connections ensured by precision NPT threading on both male ends per ASME B1.20.1 standards
• Robust welded construction provides structural integrity and durability under vibration and thermal stress
• Versatile fluid compatibility for seamless integration with iron/steel fittings in industrial piping networks
• Regulatory compliance with REACH and RoHS 3 standards for safe, environmentally conscious operations
• Reduced installation time with standardized 3/8" pipe size and 24" length for predictable routing layouts

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple solves critical challenges in industrial fluid transport systems. The welded construction and Schedule 80 thickness prevent failure under cyclic pressure loads in compressed air, natural gas, and steam applications. NPT threading (ASME B1.20.1 compliant) creates metal-to-metal seals that resist loosening in vibrating environments. The black coating provides baseline corrosion protection for oil/water services while maintaining cost efficiency. Engineered to ASTM A53/A733 standards, it ensures material consistency when connecting Class 300/600 steel flanges, reducing downtime in chemical plants and power facilities.

Specification Summary & Compliance

Dimensions: 3/8" NPT threaded both ends • 24" length • 0.423" ID • 43/64" OD • 0.126" wall thickness. Manufactured to ASME B1.20.1 thread standards and ASTM A53/A733 material specifications. Fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental directives.