Alloy Steels - Tool Steels and Stainless steel

Which of these is not a function of alloy steels?

• Increases strength

• Reduces cost

• Improves ductility

• Improves machinability

What kind of steel requires definite amounts of other alloying elements?

• Alloying steel

• Carbon steel

• Stainless steel

• Tool steel

What does AISI steel stand for?

• American-Indian Steel Institute

• American-Indian Society of Iron

• American Iron and Steel Institute

• Alloys, Iron and Steel Institute

Stainless steel is so called because of its -------------------

• High strength

• High corrosion resistance

• High ductility

• Brittleness

Which of the following groups of alloying elements stabilize austenite?

• Ni, Mn, Cu, and Co

• Cr, W, Mo, V, and Si

• Cr, W, Ti, Mo, Nb, V, and Mn

• Co, Al, and Ni

Which of these is not an application of HSLA steels?

• Bridges

• Automobiles and trains

• Building columns

• Leaf and coil springs

Steels containing more than 5% of one or more alloying elements are known as ________

• HSLA steels

• High alloy steels

• Tool and die steels

• Stainless steels

Alloy steels containing 0.05% to 0.15% of alloying elements are called _______

• Weathering steel

• Stainless steel

• Tool and die steel

• Microalloyed steel

What effect does cobalt have on steel?

• Increases hardenability

• Decreases hardenability

• Changes color

• No change

Which is the primary element used for making stainless steel alloy?

• Chromium

• Zirconium

• Vanadium

• Indium