Materials and Construction
In cold working of metal as compared to its hot working

Yield stress, hardness and fatigue strength is not at all affected
Appreciable strain hardening is produced
Cracks and blow holes are eliminated
Ductility and impact strength improves

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Materials and Construction
Monel alloy is

Not suitable for making kitchen utensils
The costliest of all the alloys of nickel
Used for making steam valves and turbine blades as it resists steam attack at high temperature
Not used in cast and wrought forms

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