The learner will identify the steps, materials and principles involved in the steelmaking processes.
When making pig iron in a blast furnace, what is a primary source of iron?
When making pig iron in a blast furnace, what is a primary source of iron?
Taconite
When making pig iron in a blast furnace, what is a primary source of iron?
Taconite
When making iron, what three raw materials are used?
When making iron, what three raw materials are used?
Coke, Iron Ore, Limestone
When making iron, what three raw materials are used?
Coke, Iron Ore, Limestone
What is Pig Iron?
What is Pig Iron?
A form of iron that contains impurities and needs to be refined.
What is Pig Iron?
A form of iron that contains impurities and needs to be refined.
Which of the following causes a steel to be "hot short?"
Which of the following causes a steel to be "hot short?"
Iron Sulfide
Which of the following causes a steel to be "hot short?"
Iron Sulfide
If a steel needs to be de-oxidized, what element is added?
Manganese
If a steel needs to be de-oxidized, what element is added?
Manganese
What is a killed steel?
What is a killed steel?
A steel that's had oxygen removed.
Which process is used most often when making alloy steels?
Which process is used most often when making alloy steels?
Electric furnace
Which process is used most often when making alloy steels?
Electric furnace
What happens to a steel when hot rolling is performed?
What happens to a steel when hot rolling is performed?
The process breaks down coarse grains and reforms them to make a stronger and finer grained steel.
What happens to a steel when hot rolling is performed?
The process breaks down coarse grains and reforms them to make a stronger and finer grained steel.
Which of the following describes the grain structure in a steel ingot?
Which of the following describes the grain structure in a steel ingot?
A columnar grain structure
Which of the following describes the grain structure in a steel ingot?
A columnar grain structure
Ingots can be formed into what shapes?
Ingots can be formed into what shapes?
All of these
What type of finish do hot rolled steels have?
What type of finish do hot rolled steels have?
A scaled finish
What type of finish do hot rolled steels have?
A scaled finish
What type of finish do cold rolled steels have?
What type of finish do cold rolled steels have?
A dull gray to shiny gray finish with no scale
What type of finish do cold rolled steels have?
A dull gray to shiny gray finish with no scale
What does cold rolling do to a steel?
What does cold rolling do to a steel?
Toughens and strengthens steels
What does cold rolling do to a steel?
Toughens and strengthens steels
What physical appearance is different between hot rolled steels and cold rolled steels.
What physical appearance is different between hot rolled steels and cold rolled steels.
Cold rolled steels have square edges and are dimensionally precise
What physical appearance is different between hot rolled steels and cold rolled steels.
Cold rolled steels have square edges and are dimensionally precise
Hot forged parts contain high residual stresses.
True
A galvanized steel is typically coated in what metal?
Zinc
You have answered 5 of 10 questions correctly.
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