Butt-Weld Tube Reducers | McMaster-Carr

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	Connection Style Connection Style	Show

	Butt Weld

	Connection Style Connection Style	Hide

	Material Material

Stainless Steel

Aluminum

Steel

	Type Type

	Reducer
	Reducing Adapter
	Bushing

	Shape Shape


Straight	Tee

	System of Measurement System of Measurement

Inch

	For Tube OD For Tube OD

	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
10
12

	Schedule Schedule


10	40

80

	Length Length

	Wall Thickness Wall Thickness

	For Tube Material For Tube Material

304/304L Stainless Steel

316/316L Stainless Steel

	For Pipe Material For Pipe Material

Stainless Steel

Aluminum

Steel

	Connection Type Connection Type


Tube	Pipe

	For Pipe Schedule For Pipe Schedule


10	40

80

	For Use With For Use With

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

RoHS Compliant

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

DFARS Specialty Metals
COTS-Exempt

	Appearance Appearance

Polished

Dull

	For Tube Fabrication For Tube Fabrication

Welded

Seamless

	Specifications Met Specifications Met

3-A Sanitary Certified

ASME

ASTM

MSS

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

REACH Compliant

	OD OD

	Environment Environment

338 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.

Butt-Weld Fittings for Stainless Steel Tubing

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

Metal Pipe and Pipe Fittings

Thin-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

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

Standard-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

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

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.