3/4 inch x 18 inch Black Steel Nipple
159 Available At All US Supply Locations

3/4" x 18" Black Steel Nipple – Built for Demanding Installations
This 3/4" x 18" black steel nipple is manufactured to meet the requirements of high-pressure plumbing and gas line systems. Its seamless construction and threaded ends provide a dependable connection point for industrial, commercial, or heavy-duty residential projects.
Each nipple is fabricated to uniform standards to ensure compatibility and consistent performance across various mechanical and piping systems.
Performance-Critical Features
Precision and strength are non-negotiable in mechanical installations. This fitting is engineered for structural reliability and secure engagement with other threaded components:
- ✅ Machined Accuracy Threads are cut to strict tolerances for interference-free alignment and joint stability.
- ✅ Industrial-Grade Composition Fabricated from black steel, suitable for use in systems handling gas, steam, or water under pressure.
- ✅ Reliable Thread Profile Designed to reduce the likelihood of deformation or stripping under repeated torque or thermal cycling.
Installation Notes
This nipple is intended for use with pipe dope or PTFE tape to ensure a proper seal. Torque should be applied using appropriate tools and techniques, particularly in systems where vibration or thermal expansion may occur. It is recommended that installation be performed by licensed professionals familiar with code requirements.
Specifications
- Material: Black Steel
- Nominal Size: 3/4" NPT
- Length: 18 inches end-to-end
- End Connection: Male NPT Threaded
- Standards: Conforms to industry specifications for threaded steel pipe fittings
Application Scope
This component is commonly integrated into supply and distribution systems for gas, hydronic heat, compressed air, or non-potable water. Its length and material characteristics make it ideal for bridging gaps between fixed pipe runs or connecting valves, regulators, and equipment in both horizontal and vertical configurations.
Technical Insight
Black steel pipe is preferred in fuel gas and high-temperature applications where galvanized coatings would degrade. Its composition supports thermal endurance and tensile load tolerance, particularly in closed-loop or pressurized environments.
For contractors and engineers working on complex system designs, the 3/4" x 18" black steel nipple provides a reliable joining solution that meets project demands for strength, precision, and code compliance.
Specifications
| Weight | 1.700000 |
|---|---|
| Brand | Non-Specified Brand |
| ADA Compliance | No |
| Length (inches) | 18 |
| Width (inches) | 0.75 |
| Height (inches) | 0.75 |
| Side A | 3/4" |
| Side B | 18" |
| Fitting Type | Nipple |
| Item Type | Nipples |
| Manufacturer | Non Specified Manufacturer |
| MPN | 584-180HC |
| Material | Black Steel |
| Product Family | Fittings |
| Item Returns | This item can be returned |
