Which IPS callout size has a wall thickness of 3/4"?

The IPS (Iron Pipe Size) callout size that corresponds to a wall thickness of 3/4" is typically found in the 10"-12" range. It's important to understand that the wall thickness of pipes increases with size, and larger pipes often require a thicker wall for structural integrity and to accommodate the pressures they experience.

In the case of IPS sizing, larger diameter pipes (such as those in the 10"-12" category) are designed with thicker walls to both support the pipe's weight and to manage the stress from internal fluid pressure. The 3/4" wall thickness for this size is crucial for ensuring durability and preventing structural failure in applications that involve substantial pressure.

The other ranges—1/2"-2-1/2", 3"-5", and 6"-9"—do not typically have a wall thickness of 3/4"; instead, they are designed with thinner walls appropriate for their respective sizes and intended applications. This distinction highlights the need to match the correct IPS size with its corresponding wall thickness for safety and performance in plumbing or piping systems.