### Is copper pipe measured by ID or OD?
Copper pipe is typically measured by OD, which stands for "outside diameter".
### Why is copper pipe measured by OD?
Copper pipe is measured by the outside diameter because this is the most accurate way to determine the size and thickness of the pipe. Measuring the outside diameter ensures that the fittings and connectors will fit properly and create a tight seal. Additionally, measuring the outside diameter is more practical and easier to do than measuring the inside diameter, especially when dealing with smaller pipes.
### How do you measure the OD of a copper pipe?
To measure the outside diameter of a copper pipe, you can use a caliper or a measuring tape. Simply place the caliper or measuring tape around the outside of the pipe and record the measurement in inches or millimeters. It's important to measure the outside diameter accurately to ensure that you are using the correct size of pipe for your project.
### Is there a standard sizing for copper pipe OD?
Yes, there are standard sizes for copper pipe OD that are commonly used in the industry. These standard sizes range from 1/8 inch to 8 inches in diameter. The most commonly used sizes for residential plumbing are 1/2 inch and 3/4 inch copper pipes. It's important to use the correct size of pipe for your project to ensure that it will fit properly and function as intended.
### Can copper pipe be measured by ID?
While copper pipe is typically measured by OD, there are cases where the inside diameter (ID) may be used for specific applications. For example, in certain industrial settings, the inside diameter of copper pipe may be used to determine flow rates or pressure ratings. However, for most residential plumbing projects, it is more common to measure copper pipe by the outside diameter to ensure proper fit and functionality.
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