Tech Steel & Materials What is “Nominal Pipe Size”?

It means “Nominal Pipe Size,” and it is the North American standard for measuring pipe sizes used for various pressures and temperatures.

Lincoln PRODUCTS® Gas Pipe, 1/2 in Nominal Pipe, 10 ft Length, Steel - Anawalt Lumber Co.

AA Faucet Stainless Steel Bar Sink Drain 1 Nominal Pipe Size (1 NPS Thread) for 1-3/8 Sink Opening

PIPE Type: steel nipple pipe 1 1/4 x 5 feet, male (NPT) National Pipe thread taper made of superior rough coating steel for commercial and

QDCM1160 60 Long Pre-Cut Black Steel Pipe with 1-1/4 Nominal Size Diameter

Tube bending basics: How to bend tubing and metal pipe

A Complete Guide to Pipe Material, Pipe Size, Schedule & Dimension

Round Seamless CS IBR Tubes, Nominal Pipe Size: 6 meter at Rs 60/kg in Mumbai

Pipe Chart American Piping Products

Module No. 11: Piping Systems Difference Between Pipe and Tube, PDF, Pipe (Fluid Conveyance)

NPS - 'Nominal Pipe Size' and DN - 'Diametre Nominal', PDF, Pipe (Fluid Conveyance)