What is the effective thread length of a 2 1/2" diameter screwed steel pipe?

To determine the effective thread length of a 2 1/2" diameter screwed steel pipe, it is essential to reference standard pipe threading specifications. For steel pipes, the American National Standard (ANS) provides guidelines for the thread length relative to the pipe diameter.

For a 2 1/2" diameter pipe, the effective thread length is typically listed in industry standards. According to these standards, the effective thread length for a 2 1/2" pipe is generally 1 1/2".

This length is crucial for ensuring secure connections in plumbing and piping systems, as it provides sufficient surface area for the threads to engage correctly, minimizing the risk of leaks or failures in the joint. Thus, the selected answer aligns with accepted industry practices for the specified diameter, confirming that 1 1/2" is indeed the correct effective thread length for a 2 1/2" diameter screwed steel pipe.