Butt Weld Pipe Nipples and Pipe

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2,783 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Standard-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

Typically used with low-pressure stainless steel threaded pipe fittings.

Low-Pressure Stainless Steel Threaded Pipe Fittings

Use these corrosion-resistant fittings in a low-pressure pipe line.

Premium Low-Pressure Stainless Steel
Threaded Pipe Fittings with Certification

Unlike other stainless steel fittings, these are made in the U.S.A. for superior quality. As another marker of quality, they come with a certificate with a traceable lot number and test report that guarantees material composition.

High-Pressure Stainless
Steel Threaded Pipe Fittings

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

Medium-Pressure Stainless
Steel Threaded Pipe Fittings

Choose these fittings when you want the same high-quality found in our low-pressure pipe fittings, but need more strength to handle higher pressures.

Standard-Wall Stainless Steel
Unthreaded Pipe Nipples and Pipe

Typically used with standard-wall and low-pressure stainless steel unthreaded pipe fittings.

Standard-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Low-Pressure Stainless Steel
Unthreaded Pipe Flanges

Bolt two same-size flanges together with a gasket to create an access point within a pipe line.

Thick-Wall Stainless Steel Unthreaded Pipe

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

High-Pressure Socket-Connect
Stainless 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. Slip the pipe into the socket and weld.

Thick-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

High-Pressure Stainless Steel
Unthreaded Pipe Flanges

Use these heavy duty forged flanges for high-pressure applications.

Thin-Wall Stainless Steel
Unthreaded Pipe Nipples and Pipe

Typically used with thin-wall stainless steel unthreaded pipe fittings.

Thin-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Also known as Schedule 10 fittings, these are thin, lightweight, and corrosion resistant.

Extra-Thick-Wall Stainless Steel Unthreaded Pipe

Typically used with extreme-pressure stainless steel unthreaded pipe fittings.

Standard-Wall Brass Threaded Pipe Nipples and Pipe

Standard-Wall Brass Threaded
Pipe Nipples and Pipe

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

Iron and Steel Threaded Pipe and Pipe Fittings

Standard-Wall Steel Threaded
Pipe Nipples and Pipe

Also known as Schedule 40, this steel pipe is designed for low-pressure applications.

Thick-Wall Steel Threaded Pipe Nipples and Pipe

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

High-Pressure Iron and Steel Threaded Pipe Fittings

These fittings can stand up to high-pressure applications. Use them in noncorrosive environments.

High-Pressure Galvanized
Steel Threaded Pipe Fittings

A galvanized finish gives these fittings better corrosion resistance than our plain steel high-pressure fittings. Also known as Pressure Class 3000 fittings.

Super-Thick-Wall Steel
Threaded Pipe Nipples and Pipe

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

Extreme-Pressure Steel Threaded Pipe Fittings

The strongest steel fittings we offer, these can withstand extreme-pressure applications.

Iron and Steel Unthreaded Pipe and Pipe Fittings

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.

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 Butt-Weld Steel Unthreaded Pipe Fittings

With thicker, stronger walls than our standard-wall butt-weld pipe fittings, these fittings stand up to your high strength applications.

High-Pressure Steel Unthreaded Pipe Flanges

Forged for extra strength, these heavy duty unthreaded flanges can withstand high-pressure applications.

Standard-Wall Steel Unthreaded
Pipe Nipples and Pipe

Typically used with standard-wall and low-pressure iron and steel unthreaded pipe fittings. Also known as Schedule 40.

Standard-Wall Butt-Weld Steel
Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Low-Pressure Steel Unthreaded
Pipe Flanges for Low Temperatures

Even in temperatures as low as -46°, these A350 LF2 steel flanges won’t become brittle, so they absorb impact better than other low-pressure steel flanges.

Low-Pressure Steel Unthreaded Pipe Flanges

Bolt two flanges of the same size together with a gasket to create an access point in a pipe line.

Super-Thick-Wall Steel Unthreaded Pipe

Typically used with extreme-pressure iron and steel unthreaded pipe fittings. Pipe is also known as Schedule XXH .

Extreme-Pressure Steel Unthreaded Pipe Flanges

For excellent strength in extreme-pressure applications, choose these heavy duty Pressure Class 1500 flanges.

Standard-Wall Grooved-End Steel Pipe Nipples and Pipe

Standard-Wall Grooved-End
Steel Pipe Nipples and Pipe

This steel pipe has grooved ends that connect to fittings with a clamp (sold separately) for an easy way to install piping systems.

Aluminum Pipe and Pipe Fittings

Low-Pressure Aluminum Threaded Pipe Fittings

In addition to being lightweight, these aluminum fittings offer good corrosion resistance. Use them in low-pressure flow applications.

High-Pressure Aluminum Threaded Pipe Fittings

Also known as Pressure Class 3000 fittings, these have the highest pressure rating of all the aluminum pipe fittings we offer.

Standard-Wall Aluminum
Unthreaded Pipe Nipples and Pipe

Typically used with standard-wall aluminum unthreaded pipe fittings.

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Also known as Schedule 40 fittings, these have thicker walls than our thin-wall aluminum unthreaded pipe fittings.

Aluminum Unthreaded Pipe Flanges

Use these unthreaded flanges in low-pressure applications. Also known as Pressure Class 125 flanges.

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.

Thin-Wall Aluminum Unthreaded
Pipe Nipples and Pipe

Typically used with thin-wall aluminum unthreaded pipe fittings.

Thin-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Copper-Nickel Unthreaded Pipe and Pipe Fittings

Copper-Nickel Unthreaded Pipe

Also known as Pressure Class 200 pipe.

Copper-Nickel Butt-Weld Pipe Fittings

Also known as Pressure Class 200 fittings.

Titanium Threaded Pipe Fittings

Titanium has similar strength to steel, but is approximately 40% lighter. It has better corrosion resistance than most stainless steel alloys and can handle corrosive substances, such as salt water and acids.

Expansion Joints with Butt-Weld Ends

These joints weld to unthreaded pipe or another butt-weld fitting for a leak-resistant permanent connection.

Butt-Weld On/Off Valves

Weld these valves to unthreaded metal pipe for a permanent, flush connection that permits smooth flow through a line. Use with water, oil, inert gas, and steam.

How to Identify and Measure Fittings

Stainless Steel Pipe and Pipe Fittings

Standard-Wall Stainless SteelThreaded Pipe Nipples and Pipe

Low-Pressure Stainless Steel Threaded Pipe Fittings

Premium Low-Pressure Stainless SteelThreaded Pipe Fittings with Certification

High-Pressure StainlessSteel Threaded Pipe Fittings

Medium-Pressure StainlessSteel Threaded Pipe Fittings

Standard-Wall Stainless SteelUnthreaded Pipe Nipples and Pipe

Standard-Wall Butt-Weld StainlessSteel Unthreaded Pipe Fittings

Low-Pressure Stainless SteelUnthreaded Pipe Flanges

Thick-Wall Stainless Steel Unthreaded Pipe

High-Pressure Socket-ConnectStainless Steel Unthreaded Pipe Fittings

Thick-Wall Butt-Weld StainlessSteel Unthreaded Pipe Fittings

High-Pressure Stainless SteelUnthreaded Pipe Flanges

Thin-Wall Stainless SteelUnthreaded Pipe Nipples and Pipe

Thin-Wall Butt-Weld StainlessSteel Unthreaded Pipe Fittings

Extra-Thick-Wall Stainless Steel Unthreaded Pipe

Standard-Wall Brass Threaded Pipe Nipples and Pipe

Standard-Wall Brass ThreadedPipe Nipples and Pipe

Iron and Steel Threaded Pipe and Pipe Fittings

Standard-Wall Steel ThreadedPipe Nipples and Pipe

Thick-Wall Steel Threaded Pipe Nipples and Pipe

High-Pressure Iron and Steel Threaded Pipe Fittings

High-Pressure GalvanizedSteel Threaded Pipe Fittings

Super-Thick-Wall SteelThreaded Pipe Nipples and Pipe

Extreme-Pressure Steel Threaded Pipe Fittings

Iron and Steel Unthreaded Pipe and Pipe Fittings

Thick-Wall Steel Unthreaded Pipe Nipples and Pipe

High-Pressure Socket-ConnectSteel Unthreaded Pipe Fittings

Thick-Wall Butt-Weld Steel Unthreaded Pipe Fittings

High-Pressure Steel Unthreaded Pipe Flanges

Standard-Wall Steel UnthreadedPipe Nipples and Pipe

Standard-Wall Butt-Weld SteelUnthreaded Pipe Fittings

Low-Pressure Steel UnthreadedPipe Flanges for Low Temperatures

Low-Pressure Steel Unthreaded Pipe Flanges

Super-Thick-Wall Steel Unthreaded Pipe

Extreme-Pressure Steel Unthreaded Pipe Flanges

Standard-Wall Grooved-End Steel Pipe Nipples and Pipe

Standard-Wall Grooved-EndSteel Pipe Nipples and Pipe

Aluminum Pipe and Pipe Fittings

Low-Pressure Aluminum Threaded Pipe Fittings

High-Pressure Aluminum Threaded Pipe Fittings

Standard-Wall AluminumUnthreaded Pipe Nipples and Pipe

Standard-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Aluminum Unthreaded Pipe Flanges

Thick-Wall Aluminum UnthreadedPipe Nipples and Pipe

Thick-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Thin-Wall Aluminum UnthreadedPipe Nipples and Pipe

Thin-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Copper-Nickel Unthreaded Pipe and Pipe Fittings

Copper-Nickel Unthreaded Pipe