How to measure steel angle bar sizes?

Measuring steel angle bar sizes involves determining the dimensions of the cross-sectional shape, which typically forms an "L" shape. Here’s how you can do it:

1. Measure the Legs (Width of the Sides):

Tools Needed: A ruler, tape measure, or caliper.

Steps:

Identify the two perpendicular sides of the angle bar (often referred to as the "legs").

Measure the width of each leg from the inside corner to the outer edge. These widths might be equal or different.

Record these measurements, typically given in millimeters (mm) or inches.

2. Measure the Thickness:

Tools Needed: A caliper or micrometer.

Steps:

Place the caliper on the edge of one leg.

Measure the thickness of the material, which is the distance between the two faces of the leg.

3. Measure the Length:

Tools Needed: A tape measure.

Steps:

Measure the length of the angle bar along one leg from end to end.

The length is usually specified in meters or feet.

4. Measure the Angle:

Tools Needed: A protractor.

Steps:

Place the protractor at the point where the two legs meet.

Measure the angle between the legs, which is typically 90 degrees for standard angle bars.

Example of Notation:

If you have an angle bar with two equal legs, it might be noted as "50x50x5mm," meaning each leg is 50mm wide, and the thickness is 5mm.

Additional Considerations:

Tolerance: Be aware of manufacturing tolerances that may slightly affect the actual measurements.

Surface Finish: Ensure the surface is clean and smooth for more accurate measurements.

These measurements are essential for determining the suitability of the steel angle bar for various structural applications.