Copy of ASTM E18
SPI hardness tester
You are given three work pieces labeled A, Q, and QT. These are Annealed, Quenched, and Quenched & Tempered.
Test each specimen using the following instructions. Keep a record of each value for the quiz.
See Video: Hardness Test Instructions.
Test the three samples as demonstrated by your instructor. Make a record of their hardness.