S-4550K612 0.302" ID x 35/64" OD x 6 1/2" 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, extending service life in demanding industrial environments.
• Superior structural integrity from welded construction, preventing leaks and failures under high-pressure conditions.
• Broad fluid compatibility for safe and reliable use with air, natural gas, oil, steam, and water systems.
• Precise, leak-proof connections with NPT threading on both ends, ensuring easy installation and secure seals.
• Heavy-duty performance with Schedule 80 thick-wall design, providing exceptional durability and pressure rating.
• Direct compatibility with Class 300 and 600 steel flanges, simplifying integration into existing piping systems.
• Guaranteed dimensional accuracy and material quality through compliance with ASME, ASTM A53, and ASTM A733 standards.

Professional Applications & Engineering Value

This 1/4" Schedule 80 black-coated steel threaded pipe nipple is engineered to address critical challenges in industrial fluid and gas handling. The welded construction and thick-wall design provide unmatched strength, resisting deformation and burst pressures in systems conveying air, natural gas, oil, steam, or water. The NPT threaded both ends ensure a tight, reliable seal that minimizes leakage risks in high-vibration or thermal cycling environments. Its black-coated steel surface offers an additional layer of corrosion resistance, making it ideal for harsh applications where moisture and chemicals are present. By meeting ASME B1.20.1 and ASTM specifications, this nipple delivers consistent performance and longevity, reducing maintenance downtime and replacement costs in plants, refineries, and processing facilities.

Specification Summary & Compliance

This product features precision NPT threads manufactured to ASME B1.20.1 standards, ensuring proper fit and pressure integrity. The black-coated steel material and welded construction comply with ASTM A53 and ASTM A733 specifications for mechanical properties and quality. It is designed for use with iron and steel fittings (Class 300) and steel flanges (Class 300, 600), with a pipe size of 1/4", Schedule 80, and a length of 6 1/2". The product is suitable for industrial applications involving air, natural gas, oil, steam, and water, and conforms to industry-accepted material and threading standards for safety and reliability.