310101d Pipe Threading and Joints

Pipe

A hollow structure to contain process flow.

Ferrous Pipe

Any pipe that contains iron ore.

Non Ferrous Pipe

All other pipe that does not contain iron ore.

Grades and Schedules

Old terminology for pipe grades comparing them to schedule numbers for pressure ratings.

Creep

The tendency of metals to deform permanently under the influence of mechanical stress.

NPT

National Pipe Thread, a standard for tapered pipe fittings.

Schedule 40

Standard grade of pipe with specific wall thickness for pressure ratings.

Malleable Iron

A type of pipe fitting class used for gas and air lines.

Torque

A measure of the force that can cause an object to rotate about an axis.

Pipe End Finishes

Different types of finishes for pipe ends including plain, threaded, and beveled.

Pressure Rating

The maximum pressure a pipe can safely withstand.

Chemical properties

Characteristics determining how a material reacts chemically with other substances.

Threading Process

A method involving measuring, marking, cutting, reaming, oiling, threading, cleaning, and applying jointing compounds.

Flanges

Flat pieces used to connect pipes, featuring different types such as weld neck and threaded.

O-ring

A type of gasket used to create a seal in pipe fittings.