Читать книгу Henley's Formulas, Recipes and Processes (Applied Chemistry) - Various - Страница 584
Tempering Brass.
Оглавление—If hammered too brittle brass can be tempered and made {133} of a more even hardness throughout by warming it, as in tempering steel; but the heat must not be nearly so great. Brass, heated to the blue heat of steel, is almost soft again. To soften brass, heat it nearly to a dull red and allow it to cool, or, if time is an object, it may be cooled by plunging into water.
