Schedule 80 Nipples | McMaster-Carr

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Threaded on Both Ends

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Acetic Acid (White Vinegar)

Sodium Hydroxide (Caustic Soda)

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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2B999

EAR99

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2,331 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Metal Pipe and Pipe Fittings

Thick-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

Typically used with medium- to high-pressure stainless steel threaded pipe fittings.

High-Pressure Stainless
Steel Threaded Pipe Fittings

Use these heavy duty, corrosion-resistant fittings in high-pressure flow applications.

Thick-Wall Stainless Steel Unthreaded Pipe

Typically used with thick-wall and high-pressure stainless steel unthreaded pipe fittings.

Thick-Wall Steel Threaded Pipe Nipples and Pipe

Typically used with medium-pressure iron and steel threaded pipe fittings. Also known as Schedule 80.

Thick-Wall Galvanized Iron and Steel
Threaded Pipe Nipples and Pipe

Typically used with medium-pressure galvanized iron and steel threaded pipe fittings. Also known as Schedule 80.

High-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Socket-connect fittings are easier to weld than butt-weld fittings because the fitting doesn't need to align perfectly to the pipe. Slide the pipe into the socket and weld.

Thick-Wall Steel Unthreaded Pipe Nipples and Pipe

Typically used with thick-wall and high-pressure iron and steel unthreaded pipe fittings. Also known as Schedule 80.

Thick-Wall Brass Threaded Pipe Nipples and Pipe

Typically used with medium-pressure brass and bronze threaded pipe fittings.

Thick-Wall Aluminum Threaded
Pipe Nipples and Pipe

Typically used with high-pressure aluminum threaded pipe fittings.

Thick-Wall Aluminum Unthreaded
Pipe Nipples and Pipe

Typically used with thick-wall aluminum unthreaded pipe fittings.

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick walls give these Schedule 80 fittings excellent strength.

Plastic Pipe and Pipe Fittings for Water

Thick-Wall Plastic Pipe for Water

Connect to thick-wall plastic pipe fittings for use in heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. Pipe can handle pressures up to 900 psi.

Clear-View Thick-Wall Plastic Pipe for Water

See what’s flowing through your line with this clear pipe. Since it’s Schedule 80, this pipe has thicker, stronger walls than standard-wall pipe, so you can use it for heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation.

Thick-Wall Plastic Pipe Fittings for Water

Connect these fittings to Schedule 80 pipe. With thicker, stronger walls than standard-wall fittings, they can handle heavy duty supply applications, such as water processing, wastewater treatment, and irrigation.

CPVC Pipe for Hot Water

Connect to CPVC pipe fittings for use in high-temperature plumbing and water supply applications up to 170° or 200° F.

CPVC Pipe Fittings for Hot Water

Connect to CPVC pipe for use in high-temperature plumbing and water supply applications.

UV-Resistant Thick-Wall PVC Pipe for Water

With thicker, stronger walls than standard-wall pipe, this Schedule 80 pipe can handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. Use for pressures up to 550 psi. Suitable for outdoor environments, it contains an additive that protects against the damaging effects of ultraviolet light. Connect to UV-resistant PVC pipe fittings.

Plastic Pipe and Pipe Fittings for Chemicals

UV-Resistant Polypropylene
Pipe Fittings for Chemicals

Made of polypropylene, these fittings won’t deteriorate when exposed to the damaging effects of ultraviolet light and are suitable to use outdoors. They have the chemical resistance to withstand acids, solvents, and other harsh substances.

UV-Resistant Polypropylene Pipe for Chemicals

This polypropylene pipe resists the damaging effects of ultraviolet light, so it’s suitable for outdoor use. It has the chemical resistance to withstand acids, solvents, and other harsh substances.

High-Temperature PTFE Pipe
Nipples and Pipe for Chemicals

This PTFE pipe can withstand a wider temperature range than any of our other plastic pipe for chemicals. It is commonly used in high-purity chemical flow processes, such as semiconductor and clean room applications.

Flame-Retardant PVDF Pipe
Nipples and Pipe for Chemicals

Pipe meets UL 94 V-0 for flame retardance to delay the spread of flames to valuable equipment. It is made of PVDF, which is comparable to Kynar, and has the chemical resistance to stand up to solvents and other harsh substances.

Crack-Resistant PFA Pipe Fittings for Chemicals

Not only do these PFA fittings have the chemical resistance to handle acid and salt water, they also have better crack resistance than other plastic pipe fittings for chemicals. They are commonly used in high-purity chemical flow processes, such as semiconductor and clean room applications.

Easy-Access CPVC Pipe for Chemicals

Also known as Victaulic pipe, this pipe has grooved ends that connect to fittings and flanges with a clamp, so you can access your line for routine maintenance. It is CPVC, which has excellent chemical resistance to withstand a variety of salt solutions, acids, and other harsh substances.

Metal Pipe and Pipe Fittings

Thick-Wall Stainless SteelThreaded Pipe Nipples and Pipe

High-Pressure StainlessSteel Threaded Pipe Fittings

Thick-Wall Stainless Steel Unthreaded Pipe

Thick-Wall Steel Threaded Pipe Nipples and Pipe

Thick-Wall Galvanized Iron and SteelThreaded Pipe Nipples and Pipe

High-Pressure Socket-ConnectSteel Unthreaded Pipe Fittings

Thick-Wall Steel Unthreaded Pipe Nipples and Pipe

Thick-Wall Brass Threaded Pipe Nipples and Pipe

Thick-Wall Aluminum ThreadedPipe Nipples and Pipe

Thick-Wall Aluminum UnthreadedPipe Nipples and Pipe

Thick-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Plastic Pipe and Pipe Fittings for Water

Thick-Wall Plastic Pipe for Water

Clear-View Thick-Wall Plastic Pipe for Water

Thick-Wall Plastic Pipe Fittings for Water

CPVC Pipe for Hot Water

CPVC Pipe Fittings for Hot Water

UV-Resistant Thick-Wall PVC Pipe for Water

Plastic Pipe and Pipe Fittings for Chemicals

UV-Resistant PolypropylenePipe Fittings for Chemicals

UV-Resistant Polypropylene Pipe for Chemicals

High-Temperature PTFE PipeNipples and Pipe for Chemicals

Flame-Retardant PVDF PipeNipples and Pipe for Chemicals

Crack-Resistant PFA Pipe Fittings for Chemicals

Easy-Access CPVC Pipe for Chemicals

Thick-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

High-Pressure Stainless
Steel Threaded Pipe Fittings

Thick-Wall Galvanized Iron and Steel
Threaded Pipe Nipples and Pipe

High-Pressure Socket-Connect
Steel Unthreaded Pipe Fittings

Thick-Wall Aluminum Threaded
Pipe Nipples and Pipe

Thick-Wall Aluminum Unthreaded
Pipe Nipples and Pipe

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

UV-Resistant Polypropylene
Pipe Fittings for Chemicals

High-Temperature PTFE Pipe
Nipples and Pipe for Chemicals

Flame-Retardant PVDF Pipe
Nipples and Pipe for Chemicals