Hardening and Tempering Steel in Model Making

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  • Pub No.: 5914

CONTENTS--Simple experiments in the tempering of steel—Proper temperature for tempering to various degrees of hardness—Case hardening—Carbonaceous material employed—Proper heating—Notes on case hardening furnaces.

In model building and experimental work it often becomes necessary to harden a piece of steel and temper it to a definite degree of hardness or soften a hard piece such as a spring so it can be drilled or machined and a few simple experiments in heat treatment of steel are sufficient to enable one to obtain the desired results.

8 pages

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