A Course On Welding And Cutting Metals Resale Rights Ebook

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Table Of Contents

CHAPTER I

METALS AND ALLOYS–HEAT TREATMENT:–The Use and Characteristics of the
Industrial Alloys and Metal Elements–Annealing, Hardening, Tempering and
Case Hardening of Steel

CHAPTER II

WELDING MATERIALS:–Production, Handling and Use of the Gases, Oxygen and
Acetylene–Welding Rods–Fluxes–Supplies and Fixtures

CHAPTER III

ACETYLENE GENERATORS:–Generator Requirements and Types–Construction–Care
and Operation of Generators.

CHAPTER IV

WELDING INSTRUMENTS:–Tank and Regulating Valves and Gauges–High, Low and
Medium Pressure Torches–Cutting Torches–Acetylene-Air Torches

CHAPTER V

OXY-ACETYLENE WELDING PRACTICE:–Preparation of Work–Torch Practice–
Control of the Flame–Welding Various Metals and Alloys–Tables of
Information Required in Welding Operations

CHAPTER VI

ELECTRIC WELDING:–Resistance Method–Butt, Spot and Lap Welding–Troubles
and Remedies–Electric Arc Welding

CHAPTER VII

HAND FORGING AND WELDING:–Blacksmithing, Forging and Bending–Forge
Welding Methods

CHAPTER VIII

SOLDERING, BRAZING AND THERMIT WELDING:–Soldering Materials and Practice–
Brazing–Thermit Welding

CHAPTER IX

OXYGEN PROCESS FOR REMOVAL OF CARBON

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CHAPTER I

METALS AND THEIR ALLOYS–HEAT TREATMENT

THE METALS

Iron.–Iron, in its pure state, is a soft, white, easily worked metal. It is the most important of all the metallic elements, and is, next to aluminum, the commonest metal found in the earth.

Mechanically speaking, we have three kinds of iron: wrought iron, cast iron and steel. Wrought iron is very nearly pure iron; cast iron contains carbon and silicon, also chemical impurities; and steel contains a definite proportion of carbon, but in smaller quantities than cast iron.