Objectives
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List and describe eight physical properties of metal.
Find, from tables, the tensile strength and yield strength for various plain carbon steels.
Define the terms eutectic point, solidus, liquidus, and critical temperature.
Determine the structure of a steel at various points on the iron-carbon diagram.
Know how to identify cast iron, plain carbon steel, and alloy steels by making a spark test on a grinder and using comparison charts.
Describe plain carbon steels from their SAE/ANSI composition numbers.
List and describe eight physical properties of metal.
Find, from tables, the tensile strength and yield strength for various plain carbon steels.
Define the terms eutectic point, solidus, liquidus, and critical temperature.
Determine the structure of a steel at various points on the iron-carbon diagram.
Know how to identify cast iron, plain carbon steel, and alloy steels by making a spark test on a grinder and using comparison charts.
Describe plain carbon steels from their SAE/ANSI composition numbers.
Vocabulary
Items to note when spark testing
Color of spark
Length of spark
Number of explosions (splits) along the length of the individual sparks.
Shape of the explosions (forking or repeating)
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Answers questions
1,2,3,6,7,8,13, 18.
Laboratory focus
Spark test, identification of metals and processes