What is Steel? (Leaving Cert Engineering): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
Main elements in steel
Main elements in steel
Iron and carbon
Max carbon content in steel (%)
Max carbon content in steel (%)
2%
Material formed if carbon exceeds 2% in steel
Material formed if carbon exceeds 2% in steel
Cast iron
Two methods for steel production
Two methods for steel production
Blast furnace and electric arc furnace
Steel property: withstand high loads
Steel property: withstand high loads
Strength
Steel property: flexibility for shaping
Steel property: flexibility for shaping
Ductility
Tensile strength range of most steels (MPa)
Tensile strength range of most steels (MPa)
MPa
Key element in stainless steel for corrosion resistance
Key element in stainless steel for corrosion resistance
Chromium (and often nickel)
Main property of stainless steel
Main property of stainless steel
Excellent corrosion resistance
Carbon % in high carbon steel
Carbon % in high carbon steel
0.6% to 2%
Effect of increasing carbon content in steel
Effect of increasing carbon content in steel
Increases strength, reduces ductility
Carbon content in tool steel (%)
Carbon content in tool steel (%)
0.7-1.5%
What defines alloy steel
What defines alloy steel
Additional elements beyond iron and carbon
Silicon % in electrical steel
Silicon % in electrical steel
2-3.5%
Elements in weathering steel for protection
Elements in weathering steel for protection
Chromium, nickel, and copper