ASTM A197 Pipe Fittings | McMaster-Carr

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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.

Pipe and Pipe Fittings

Low-Pressure Iron Threaded Pipe Fittings
with Right-Hand and Left-Hand Threads

The threads on these fittings have clockwise (right-hand) threads on one end and counterclockwise (left-hand) threads on the other end.

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.

Low-Pressure Galvanized Iron and Steel
Threaded Pipe Fittings with Sealant

The male threads on these fittings have a sealant applied for extra leak protection.

Low-Pressure Galvanized Iron Threaded Pipe
Fittings with Right-Hand and Left-Hand Threads

One end of these fittings has clockwise (right-hand) threads and the other has counterclockwise (left-hand) threads. Their galvanized finish gives them fair corrosion resistance.

Medium-Pressure Iron and
Steel Threaded Pipe Fittings

For use in noncorrosive environments, these fittings have better strength than our low-pressure iron and steel pipe fittings.

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

A galvanized finish gives these fittings fair corrosion resistance. They have the strength to handle medium-pressure applications.

Medium-Pressure Clamp-On Connectors

Use in medium-pressure applications up to 230 psi.

Pipe and Pipe Fittings

Low-Pressure Iron Threaded Pipe Fittingswith Right-Hand and Left-Hand Threads

Low-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

Low-Pressure Galvanized Iron and SteelThreaded Pipe Fittings with Sealant

Low-Pressure Galvanized Iron Threaded PipeFittings with Right-Hand and Left-Hand Threads

Medium-Pressure Iron andSteel Threaded Pipe Fittings

Medium-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

Medium-Pressure Clamp-On Connectors

Low-Pressure Iron Threaded Pipe Fittings
with Right-Hand and Left-Hand Threads

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

Low-Pressure Galvanized Iron and Steel
Threaded Pipe Fittings with Sealant

Low-Pressure Galvanized Iron Threaded Pipe
Fittings with Right-Hand and Left-Hand Threads

Medium-Pressure Iron and
Steel Threaded Pipe Fittings

Medium-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings