S-4550K914 0.546" ID x 27/32" OD x 11" Long ASME B1.20.1, ASTM A53, ASTM A733 Thick-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 harsh industrial environments.
• Exceptional durability from welded construction and thick Schedule 80 wall, ideal for high-pressure applications.
• Reliable leak-proof sealing with NPT threads on both ends, ensuring secure connections in dynamic systems.
• Broad media compatibility for safe use with air, natural gas, oil, steam, and water without degradation.
• High-pressure readiness supporting flange classes 300 and 600, suitable for demanding industrial piping.
• Precision manufacturing per ASME B1.20.1 thread standards, guaranteeing consistent fit and performance.
• Robust material integrity compliant with ASTM A53/A733, providing dependable strength under stress.

Professional Applications & Engineering Value

This black-coated steel threaded pipe nipple delivers critical reliability in industrial fluid and gas systems where pressure, corrosion, and mechanical stress are constant challenges. Its Schedule 80 thick-wall design and NPT threading prevent failures in high-vibration environments like compressor lines, steam distribution, and hydraulic assemblies. The welded construction and corrosion-resistant coating address common pain points such as rust-induced leaks and fitting fatigue, making it ideal for oil, gas, water, and steam applications requiring 300/600 flange class compatibility. By meeting stringent ASME and ASTM standards, it ensures long-term operational safety and reduces maintenance downtime in plants, refineries, and utility networks.

Specification Summary & Compliance

This 1/2" pipe nipple features NPT threads conforming to ASME B1.20.1 for precise engagement, with material and construction complying with ASTM A53 (steel pipe) and ASTM A733 (welded and seamless tubing). It is designed for use with iron and steel fittings, supporting flange classes 300 and 600. The product adheres to industry standards for dimensional accuracy, including consistent OD (27/32"), ID (0.546"), and wall thickness (0.147"), ensuring reliable performance in pressurized systems.