Butt-Weld Tube Reducers | McMaster-Carr

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Fitting Connection

Material

System of Measurement

Tube OD

Fitting Type

Shape

Pipe Size

Pipe Schedule

Wall Thickness

Tube Material

304/304L Stainless Steel

316/316L Stainless Steel

Length

Pipe Material

For Use With

Connects To

Environment

For Tube Fabrication

Flange Material

Appearance

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

Yes

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Fabrication

412 Products

About Measuring Fittings

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

Pipe, Tubing, Hose, and Fittings

Butt-Weld Fittings for Stainless Steel Tubing

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

Extra-High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Polished to a 20 Ra finish, these fittings have an extra-smooth interior that prevents product buildup and inhibits bacteria growth.

Ultra-High-Polish Gasket Fittings
for Stainless Steel Tubing

Polished to at least a 15 Ra finish on the inside, these fittings have an ultra-smooth interior surface that helps prevent contamination. They are also known as ultra-high-purity 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.

Thin-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

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

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.

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick walls give these Schedule 80 fittings excellent strength.

Standard-Wall Butt-Weld Steel
Unthreaded Pipe Fittings

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

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.

Pipe, Tubing, Hose, and Fittings

Butt-Weld Fittings for Stainless Steel Tubing

Extra-High-Polish MetalQuick-Clamp Sanitary Tube Fittings

Ultra-High-Polish Gasket Fittingsfor Stainless Steel Tubing

Thin-Wall Butt-Weld StainlessSteel Unthreaded Pipe Fittings

Standard-Wall Butt-Weld StainlessSteel Unthreaded Pipe Fittings

Thin-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Standard-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Thick-Wall Butt-Weld AluminumUnthreaded Pipe Fittings

Standard-Wall Butt-Weld SteelUnthreaded Pipe Fittings

Thick-Wall Butt-Weld Steel Unthreaded Pipe Fittings

Extra-High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Ultra-High-Polish Gasket Fittings
for Stainless Steel Tubing

Thin-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Standard-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Thin-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Standard-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Thick-Wall Butt-Weld Aluminum
Unthreaded Pipe Fittings

Standard-Wall Butt-Weld Steel
Unthreaded Pipe Fittings