Engineering Materials
Which is the false statement about wrought iron? It has

High ductility
Ability of hold protective coating
High resistance to rusting and corrosion
Uniform strength in all directions

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Engineering Materials
Chromium in steel

Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
Gives ductility, toughness, tensile strength and anti-corrosion properties
Improves wear resistance, cutting ability and toughness
Improves cutting ability and reduces hardenability

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