S-4457K38 4.026" ID x 4 1/2" OD x 48" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-coated steel construction, extending service life in demanding industrial environments
• Reliable pressure handling with Schedule 40 wall thickness (0.237") for stable performance with air, natural gas, oil, steam, and water
• Easy installation and secure connections through NPT threads on both ends, ensuring leak-free joints with iron and steel fittings
• Durable welded construction provides structural integrity for long-term use in Class 125 and 150 applications
• Precise dimensional compliance with 4" pipe size and standard-wall specifications for consistent fitment across systems
• Environmental regulation adherence through REACH and RoHS 3 compliance, meeting international safety standards
• Broad industrial compatibility with 48" length offering flexible routing solutions for various piping configurations

Professional Applications & Engineering Value

This 4-inch Schedule 40 black-coated steel threaded pipe nipple delivers exceptional performance in industrial fluid and gas transfer systems. The welded construction combined with NPT threading on both ends ensures reliable, leak-resistant connections that withstand vibration and pressure fluctuations in air, natural gas, oil, steam, and water applications. The black-coated steel surface provides enhanced corrosion protection, significantly reducing maintenance requirements in harsh environments. With its 48-inch length and standardized dimensions, this male threaded pipe facilitates efficient installation in complex piping networks while maintaining system integrity. Engineers value its compatibility with iron and steel fittings across Class 125 and 150 systems, making it an ideal solution for industrial plants, processing facilities, and utility infrastructure where durability and regulatory compliance are paramount.

Specification Summary & Compliance

This standard-wall steel threaded pipe nipple features precise NPT thread dimensions conforming to ASME B1.20.1 standards, ensuring proper engagement with compatible fittings. The product meets ASTM A53 and ASTM A733 material specifications, guaranteeing consistent quality and performance. Critical dimensions include 4.026" ID and 4 1/2" OD with 0.237" wall thickness. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, making it suitable for use in regulated industries and international markets.