S-44615K138 6.065" ID x 6 5/8" OD x 3 1/8" Long ASME B1.20.1, ASTM A53, ASTM A733 Standard-Wall Steel Threaded Pipe Nipples and Pipe

Key Features & Benefits at a Glance

• Full NPT threading ensures leak-proof connections across multiple media including air, natural gas, oil, steam, and water systems.
• Black-coated steel construction provides enhanced corrosion resistance for extended service life in harsh industrial environments.
• Welded design delivers superior structural integrity and pressure resistance for Class 125 and 150 flange applications.
• Schedule 40 wall thickness (0.28") offers optimal strength-to-weight ratio for handling high-pressure fluids and gases safely.
• Precision dimensional compliance with 6.065" ID and 6 5/8" OD guarantees seamless integration with iron and steel piping systems.
• ASTM A53/ASME B1.20.1 certification validates material quality and thread accuracy for reliable, standardized performance.
• Fully threaded male ends enable versatile installation and secure engagement across various fitting configurations.

Professional Applications & Engineering Value

Engineered for demanding industrial fluid handling systems, this fully threaded steel pipe nipple solves critical sealing challenges in air, natural gas, oil, steam, and water applications. The black-coated steel material combined with welded construction withstands corrosive media and mechanical stress, preventing system failures. Its NPT thread form maintains pressure integrity across temperature fluctuations, while the Schedule 40 dimensions ensure compatibility with standard iron and steel fittings. This heavy-duty threaded connector eliminates leakage risks in Class 125/150 flange systems, reducing maintenance downtime and enhancing operational safety in petrochemical, power generation, and industrial plumbing installations.

Specification Summary & Compliance

Manufactured to ASME B1.20.1 thread standards with ASTM A53/A733 material compliance, this nipple maintains precise NPT threading tolerances for reliable engagement. Dimensions include 6" Schedule 40 profile with 6.065" ID, 6 5/8" OD, and 0.28" wall thickness. Suitable for Class 125 and 150 iron/steel flanges, the product meets industrial pressure rating requirements. Black coating provides supplementary corrosion protection while maintaining RoHS and REACH environmental compliance for safe operation across regulated industries.