Seamless Pipe Nipples | McMaster-Carr

	Pipe Size Pipe Size

1/8
1/4
3/8
1/2
3/4
1
1 1/4
1 1/2
2
2 1/2
3
4
6
8

	Thread Type Thread Type

NPT

BSPT

	Material Material

	Threading Threading

Threaded on Both Ends

Fully Threaded

Unthreaded

Threaded on One End

	Length Length

	Schedule Schedule


10	40

80	160

XXH

	Type Type


Pipe	Reducer

Adapter

	For Use With For Use With

	Construction Construction

Seamless

Welded

	ID ID

	Connection Style Connection Style

Threaded

Butt Weld

Socket Connect

	OD OD

	Wall Thickness Wall Thickness

	Specifications Met Specifications Met

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	Finish Finish

Black Coated

Galvanized

Chrome Plated

	Dash Size Dash Size

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Socket Connect Type Socket Connect Type

Weld

Socket Connect

Braze

	Weight Weight

3,043 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.

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.

Standard-Wall Steel Threaded Pipe Nipples and Pipe

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

Extra-Thick-Wall Steel Threaded Pipe Nipples and Pipe

Typically used with high-pressure iron and steel threaded pipe fittings. Also known as Schedule 160.

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

Typically used with high-pressure galvanized iron and steel threaded pipe fittings. Also known as Schedule 160.

Standard-Wall Galvanized Steel
Threaded Pipe Nipples and Pipe

Made of galvanized steel, this Schedule 40 pipe has fair corrosion resistance and is designed for low-pressure applications.

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.

Thick-Wall Steel Unthreaded Pipe

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

Extra-Thick-Wall Steel Unthreaded Pipe

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

Stainless Steel 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.

Standard-Wall Stainless Steel
Threaded Pipe Nipples and Pipe

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

Standard-Wall Stainless Steel Threaded
Pipe Nipples and Pipe with Sealant

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

Standard-Wall Stainless Steel
Unthreaded Pipe Nipples and Pipe

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

Extra-Thick-Wall Stainless Steel Unthreaded Pipe

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

Thick-Wall Stainless Steel Unthreaded Pipe

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

Brass and Bronze Pipe and Pipe Fittings

Thick-Wall Brass Threaded Pipe Nipples and Pipe

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

Standard-Wall Brass Threaded Pipe Nipples and Pipe

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

Standard-Wall Brass Threaded
Pipe Nipples and Pipe with Sealant

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

Standard-Wall Chrome-Plated Brass
Threaded Pipe Nipples and Pipe

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

Standard-Wall Brass Unthreaded Pipe

Typically used with brass and bronze unthreaded pipe fittings.

Aluminum Pipe and Pipe Fittings

Standard-Wall Aluminum
Threaded Pipe Nipples and Pipe

Typically used with low-pressure aluminum 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

Typically used with thick-wall aluminum unthreaded pipe fittings.

Thin-Wall Aluminum Unthreaded Pipe

Typically used with thin-wall aluminum unthreaded pipe fittings.

Standard-Wall Aluminum
Unthreaded Pipe Nipples and Pipe

Typically used with standard-wall aluminum unthreaded pipe fittings.

Copper-Nickel Pipe and Pipe Fittings

Copper-Nickel Unthreaded Pipe

Also known as Pressure Class 200 pipe.

Standard-Wall Copper-Nickel
Threaded Pipe Nipples and Pipe

Also called close nipples, these Schedule 40 nipples are threaded on both ends to the center.