Hardness Testing

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.

Instructions

See Video: Hardness Test Instructions.

And Printed Instructions

Test the three samples as demonstrated by your instructor.  Make a record of their hardness.

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