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Mold making inspection (2)

Update:13-04-2019
Summary:

Evaluation of annealed tissue The purpose of annealing […]

Evaluation of annealed tissue
The purpose of annealing is to reduce the hardness of the steel, to facilitate machining, and to prepare the tissue for subsequent heat treatment.
The annealed structure of carbon tool steel is evaluated according to the GB1298 first-level rating chart.

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