Steel Pipe Nipples for Hydraulic & Industrial Systems

Browse our full range of Schedule 40 and Schedule 80 steel pipe nipples engineered for strength, durability, and system compatibility in hydraulic and industrial environments. Available in standard sizes including 1/2-14, 3/4-14, and 1-1/2-11-1/2 Male NPT, these fittings come in lengths from 1.13 to 6.00 inches to support low- to high-pressure applications. All components are manufactured to industry specifications, with precision threading and robust wall construction for reliable performance in demanding conditions. Explore steel options built to meet the needs of your hydraulic systems and equipment requirements.

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  1. Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 2.00 Inch Long
    Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 2.00 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

  2. Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 2.50 Inch Long
    Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 2.50 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

  3. Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 3.00 Inch Long
    Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 3.00 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

  4. Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 3.50 Inch Long
    Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 3.50 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

  5. Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 4.00 Inch Long
    Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 4.00 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

  6. Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 4.50 Inch Long
    Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 4.50 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

  7. Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 6.00 Inch Long
    Schedule 40 Steel Pipe Nipple, 1-11-1/2 Male NPT, 6.00 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

  8. Schedule 40 Steel Pipe Nipple, 1/2-14 Male NPT, 1.50 Inch Long
    Schedule 40 Steel Pipe Nipple, 1/2-14 Male NPT, 1.50 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

  9. Schedule 40 Steel Pipe Nipple, 1/2-14 Male NPT, 2.00 Inch Long
    Schedule 40 Steel Pipe Nipple, 1/2-14 Male NPT, 2.00 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

  10. Schedule 40 Steel Pipe Nipple, 1/2-14 Male NPT, 2.50 Inch Long
    Schedule 40 Steel Pipe Nipple, 1/2-14 Male NPT, 2.50 Inch Long

    Product is currently not available online.
    Please call 800-507-9651 for assistance.

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Applications for Steel Pipe Nipples in Industrial Systems

Steel pipe nipples are commonly used in hydraulic systems, air handling lines, fluid transfer setups, and industrial equipment where pressure durability and corrosion resistance are essential. Schedule 40 options are suitable for general industrial use with medium flow demands, while Schedule 80 options provide added wall thickness and strength for high-pressure systems or harsher operating conditions.

Industries such as Construction, Oil & Gas, and Manufacturing rely on these fittings to maintain performance in environments exposed to vibration, fluid stress, or corrosive media. For more sectors served, explore all the industries we serve.

Choosing the Right Steel Pipe Nipple for Your System

Proper selection depends on your system’s pressure requirements, the type of media being conveyed, and compatibility with existing NPT-threaded components. Schedule 40 pipe nipples offer reliable service in standard conditions, while Schedule 80 options are better suited for high-pressure or heavy-duty applications due to thicker walls and enhanced durability.

If you’re unsure what length, thread size, or wall rating you need, our team can help. For expert advice or assistance with component compatibility, contact us or visit our repair service center to speak with a fluid power specialist.

Steel Pipe Nipple FAQs

What Is a Steel Pipe Nipple?

A steel pipe nipple is a short length of pipe with male NPT threads on both ends, used to connect hydraulic or industrial components. These fittings help extend piping, redirect flow, or bridge gaps between system parts.Explore full pipe nipple selection

How Is a Steel Pipe Fitting Nipple Used?

Steel pipe nipples are used in hydraulic systems and industrial setups to handle pressurized fluids or gases. They connect valves, hoses, or equipment in applications like construction, oil and gas, mining, and manufacturing.

Are Steel Pipe Nipples Compatible With Brass or Iron Threads?

Yes, steel pipe nipples follow standardized NPT threading, making them physically compatible with brass or iron threads. However, mixing dissimilar metals may lead to galvanic corrosion in fluid systems, so material compatibility should be evaluated carefully.Explore brass options ›

What Sizes and Materials Are Available for Steel Pipe Nipples?

Hydraulic Supply offers Schedule 40 and Schedule 80 steel pipe nipples in common NPT thread sizes like 1/2-14, 3/4-14, and 1-1/2-11-1/2. Lengths range from 1.13 to 6.00 inches. All nipples are made from durable carbon steel to meet industrial and hydraulic performance requirements.