16 Questions
Which element is the major strength agent in carbon steels?
Carbon
What is the carbon content range for medium-carbon steel?
0.30 to 0.70%
What defines tool steel according to U.S steel producers?
Capability of being hardened and tempered
What does hot hardness refer to in tool steels?
Resistance to softening at high temperatures
What differentiates stainless steel from other steels?
Resistance to corrosion
What defines low-alloy steels?
Less than 8.0% total alloying ingredients
Which class of stainless steel has carbon content less than 0.2%?
Ferritic stainless steels
Which type of cast iron has a hard as-cast structure and is difficult to machine?
White iron
What mechanical testing technique is used to determine how strong a material is and how much it can be stretched before it breaks?
Tension testing
Which test measures a material's resistance to brittle fracture when a crack is present?
Fracture toughness
Which type of stainless steel has at least four major alloying elements, including chromium, carbon, and nickel?
Austenitic stainless steels
What type of cast iron contains nodular or spheroidal graphite?
Ductile iron
What is the measure of how much a material expands or contracts with a change in temperature?
Coefficient of thermal expansion
Which mechanical test is used to determine shear strength or resistance to torsional deformation?
Shear/torsion test
Which type of cast iron alloy is the most common?
Gray iron
What is the name of the inventor of the impact test to measure energy absorbed by a standard notched specimen?
Georges Augustin Albert Charpy
Test your knowledge about the classification of carbon and alloy steels, including plain carbon steels, medium-carbon steel, and high-carbon steel. Learn about the concentration limits of carbon in different types of steels.
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