MSS Flanges | McMaster-Carr

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Specifications Met

System of Measurement

Pipe Size

Material

Stainless Steel

Pressure Class

Fitting Connection

Spec Image

Spec Image

Fitting Type

Reducing Adapter

Flanged Connection Surface

Pipe Schedule

Fitting Material

Stainless Steel

Number of Bolt Holes

Pipe Material

Stainless Steel

Bolt Circle Diameter

For Use With

Hydraulic Fluid

Maximum Steam Pressure @ Temperature

150 psi @ 300° F

230 psi @ 300° F

3,200 psi @ 300° F

150 psi @ 350° F

150 psi @ 360° F

300 psi @ 360° F

415 psi @ 360° F

For Flange Pipe Size

Shape

Connects To

For Fitting Schedule

Thread Type

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

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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About Pipe and Fittings

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

Stainless Steel Pipe and Pipe Fittings

Low-Pressure Stainless Steel
Unthreaded Pipe Flanges

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

Standard-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

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

High-Pressure Stainless Steel
Unthreaded Pipe Flanges

High-Pressure Stainless Steel Unthreaded Pipe Flanges

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

Thin-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

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

Low-Pressure Stainless
Steel Threaded Pipe Flanges

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Also known as Pressure Class 150 flanges, these corrosion-resistant flanges are designed for low-pressure pipe applications.

Low-Pressure Stainless Steel Threaded Pipe Fittings

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

Iron and Steel Pipe and Pipe Fittings

Low-Pressure Steel Unthreaded Pipe 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.

Extreme-Pressure Steel Unthreaded Pipe Flanges

Extreme-Pressure Steel Unthreaded Pipe Flanges

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

Low-Pressure Steel Threaded Pipe Flanges

Low-Pressure Steel Threaded Pipe Flanges

These flanges are for low-pressure applications in noncorrosive environments.

Low-Pressure Steel Threaded Pipe
Flanges for Low Temperatures

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Use these Pressure Class 150 pipe flanges in low-pressure lines where temperatures drop down to -40° F.

High-Pressure Steel Threaded Pipe Flanges

High-Pressure Steel Threaded Pipe Flanges

Also known as Pressure Class 1500 steel flanges, these have the strength to handle high pressures.

Solder-Connect Fittings for Copper Tubing

Solder-Connect Fittings for Copper Tubing

Solder these fittings to tubing for a permanent, leak-tight connection. They are also known as sweat fittings.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)