Practical forging and art smithing by Googerty Thomas Francis 1865-

Practical forging and art smithing by Googerty Thomas Francis 1865-

Author:Googerty, Thomas Francis, 1865-
Language: eng
Format: epub, pdf
Tags: Forging, Ironwork
Publisher: Milwaukee, Wis., The Bruce publishing company
Published: 1915-03-25T05:00:00+00:00


CHAPTER VII.

Making a Flat Cold Chisel—Spring Tempering—Welding Steel-Case Hardening — Coloring Steel — Annealing — Making a Scratch Awl—Making a Center Punch—Making a Hand Punch —High Speed Steel—Annealing High Speed Steel.

Exercise No. 17— Flat Cold Chisel.

A GOOD cold chisel is an indispensable tool in a shop, and one that is very much abused. Therefore, it should be made with the greatest care. In the forging of a good chisel a piece of f-in. octagonal tool steel, from 75 to 95 point carbon, is used. The piece is cut six inches long. In doing this the bar may



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