D3520-88(1998)
Standard Test Method for Quenching Time of Heat-Treating Fluids (Magnetic Quenchometer Method)


1.1 This test method describes a procedure for making an evaluation of the quenching speed characteristics of petroleum fluids used in the quenching of metals by means of the Magnetic Quenchometer.

Note 1-A comparison method for testing the hardenability of steel is Method A255.

 

                               

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