chapter 28 completion
______________________________ steels contain other metal elements to make them harder, tougher, and stronger.
alloy
Carbon is the primary ______________________________ element in carbon steel.
alloying
Carbon steels are classified according to the amount of ______________________________ they contain.
carbon
______________________________ is an alloy of iron and carbon.
carbon steel
Brass and bronze are ______________________________-based alloys.
copper
Iron and steel are classified as ______________________________ metals.
ferrous
Low-carbon steels do not contain enough carbon to be ______________________________.
hardened
Cutting tools are often made from ______________________________ steel because it possesses red hardness and abrasion resistance.
high-speed
Nickel-based alloys, molybdenum, tantalum, and tungsten are classified as ______________________________ metals.
high-temperature
Low-carbon steel is often called mild or ______________________________ steel.
machine
__________________________ alloys are the lightest of the structural metals.
magnesium
Aluminum, magnesium, and titanium are classified as ______________________________ metals.
nonferrous
Base metals are pure, ______________________________, nonprecious metals.
nonferrous
The carbon content in carbon steel is measured in percentage or in ______________________________.
points
_____________________________ steels are corrosion resistant.
stainless
______________________________ steel is the term applied to steels found in devices that cut, shear, or form materials.
tool