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Types of Steel and Their Properties

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Questions and Answers

What is the minimum chromium content required for stainless steel?

1.2%

10.5% (correct)

Which type of steel is defined by its immersion in molten zinc at a temperature of approximately 450°C?

Carbon steel

Galvanized steel (correct)

Alloy steel

Stainless steel

What additional elements may be present in alloy steel?

Nickel and phosphorus

Copper and chrome (correct)

Lead and silver

Zinc and magnesium

Which type of steel forms an oxidation layer that protects the material without losing its mechanical properties?

Corten steel Signup and view all the answers

What is the primary purpose of galvanizing steel?

Resistance to corrosion Signup and view all the answers

What is the thickness range of the zinc layer in galvanized steel?

40-100 microns Signup and view all the answers

What is the primary defining factor for carbon steel's mechanical properties?

Proportions of carbon Signup and view all the answers

What distinguishes stainless steel from other types of steel?

Presence of at least 10.5% chromium and more than 1.2% carbon Signup and view all the answers

What distinguishes galvanized steel from zinc plated steel?

Electrolytic deposition of thin zinc layer of 5-20 microns Signup and view all the answers

What property makes galvanized steel suitable for outdoor and humid environments?

Resistance to corrosion and oxidation Signup and view all the answers

What contributes to the formation of an oxidation layer in corten steel?

Chemical composition causing an oxidation layer to form Signup and view all the answers

What distinguishes alloy steel from carbon steel?

Alloying with nickel, phosphorus, copper, and chrome Signup and view all the answers