S-4457K242 0.493" ID x 43/64" OD x 20" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Corrosion-resistant black coating extends service life in demanding industrial environments with air, gas, oil, steam, and water.
• Robust welded construction ensures superior structural integrity and leak prevention under high-pressure conditions.
• Precision NPT threading on both ends provides reliable, leak-tight connections for Class 125 and 150 iron/steel fittings.
• Standard Schedule 40 wall thickness (0.091") delivers optimal strength-to-weight ratio for durable performance.
• Full compliance with ASME B1.20.1, ASTM A53, and ASTM A733 guarantees dimensional accuracy and material consistency.
• REACH and RoHS 3 compliance meets stringent international safety and environmental regulations.
• 20-inch straight design offers versatile installation spacing in piping systems requiring extended connections.

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple solves critical industrial challenges where corrosion resistance and pressure integrity are paramount. The welded construction combined with NPT threading creates a seamless barrier against leaks in aggressive media including steam, oil, and natural gas. Engineered to ASME B1.20.1 standards, it maintains precise thread engagement for Class 125/150 flanges while the Schedule 40 wall thickness withstands cyclic stress in plant piping, HVAC systems, and process instrumentation. The 20-inch length provides necessary clearance for maintenance access without compromising flow characteristics.

Specification Summary & Compliance

Manufactured to ASME B1.20.1 thread standards with ASTM A53/A733 material certification. Dimensions: 3/8" NPT male threads both ends, 0.493" ID, 43/64" OD, 0.091" wall thickness. Fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental directives.