ASTM E18—15 — STANDARD TEST METHODS FOR ROCKWELL HARDNESS OF METALLIC MATERIALS
|D O W N L O A D|
The official ASTM publication devoted to the standard test methods used for determining the Rockwell hardness of metals. The test methods covered in the document address the determination of the Rockwell hardness/superficial hardness of metals using the principles of indentation hardness. The publication was released to provide necessary requirements for the hardness testing machines as well as the procedures established for performing such testing.
Some additional information has been included in the annexes to the main part of the standard - they are dealing with the verification of the testing machines, standardizing machines, standardization of the indenters and hardness test blocks, correction of the hardness values obtained during the testing of the convex cylindrical surfaces; finally, the provide guidelines on how to determine the minimum thickness of the test pieces.
Some of the non-mandatory technical information such as the examples of the procedures to determine the uncertainty of the Rockwell hardness of the metallic materials has also been provided for easy reference. The volume will be useful for the people dealing with the mechanical properties of metallic construction materials.
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