Читать книгу Henley's Formulas, Recipes and Processes (Applied Chemistry) - Various - Страница 297
Alloy For Caliper And Gage-rod Castings.
Оглавление—A mixture of 30 parts zinc to 70 parts aluminum gives a light and durable alloy for gage rods and caliper legs; the gage rods must be steel tipped, for the alloy is soft and wears away too rapidly for gage points.
