SAE AS291F PDF

Surface Texture, Roughness, Waviness and Lay (Stabilized: Sep 2014)
standard by SAE International, 09/05/2014

SAE AS291F – Surface Texture, Roughness, Waviness and Lay (Stabilized: Sep 2014)

This standard provides a method of applying surface roughness, waviness and lay control. The data included herein also covers the method of applying surface roughness symbols and related designations to drawings and specifications of parts when applicable. This standard is based on the Arithmetical Average (AA) method of instrumentation. Data compiled are based on current manufacturing practices. It also includes a summary of data published in the latest issue of the American Standards Association publication ASA B46.1.