Steel Butt-Weld Pipe Fittings

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	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
5
6
8
10
12

	Connection Style Connection Style

	Schedule Schedule


40	80

XXH

	Shape Shape


90° Elbow	Straight

Tee	45° Elbow

Cap/Plug	180° Bend

	Threading Threading

Threaded on One End

Unthreaded

	Type Type


Connector	Adapter

Pipe	Reducer

Cap	Flange

Outlet	Stub End

	For Use With For Use With

	Wall Thickness Wall Thickness

	ID ID

	OD OD

	Length Length

	Elbow Style Elbow Style


Short	Long

	Construction Construction

Welded

Seamless

	For Pipe Schedule For Pipe Schedule


40	80

XXH

	Specifications Met Specifications Met

ASTM

ANSI/ASME

MSS

DIN

JIS

	Class Class

	Gender Gender

Male

Female

	Maximum Pressure Maximum Pressure

	Fabrication Fabrication

Forged

Machined

	Maximum Steam Pressure Maximum Steam Pressure

	Flange OD Flange OD

	Bolt Circle Diameter Bolt Circle Diameter

	For Pipe Size For Pipe Size

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642 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 Butt-Weld Steel
Unthreaded Pipe Fittings

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

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.

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.

Thick-Wall Butt-Weld Steel
Unthreaded Pipe Fittings

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

High-Pressure Steel
Unthreaded Pipe Flanges

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

Extreme-Pressure Steel
Unthreaded Pipe Flanges

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

Iron and Steel Threaded Pipe and Pipe Fittings

Extreme-Pressure Steel
Threaded Pipe Fittings

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

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.

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.

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How to Identify and Measure Fittings

Iron and Steel Unthreaded Pipe and Pipe Fittings

Standard-Wall Butt-Weld SteelUnthreaded Pipe Fittings

Standard-Wall Steel UnthreadedPipe Nipples and Pipe

Low-Pressure SteelUnthreaded Pipe Flanges

Thick-Wall Butt-Weld SteelUnthreaded Pipe Fittings

High-Pressure SteelUnthreaded Pipe Flanges

Extreme-Pressure SteelUnthreaded Pipe Flanges