Steel correct answers · an alloy of iron and carbon, with the carbon being restricted within
certain concentration limits.
Continuous Casting correct answers machines run 90% of the time
Pickling correct answers Use of acids to remove oxides and scale on hot-worked steels.
Ferrous correct answers · meaning "made of iron"; have at least 50% iron
Nonferrous correct answers contains less than 50% iron
Wrought correct answers made into a sheet by rolling, drawing, and extruding it
Cast correct answers pouring into a mold to obtain shape
Age harden correct answers exposing an aluminum alloy to a specific temperature-time cycle
Hardcoating correct answers electrochemical process for a thicker (and usually black) anodize
coating
Organic Chemistry correct answers matter that contains the element carbon (natural or synthetic)
Inorganic Chemistry correct answers · matter that is mineral in origin and does not contain
carbon
Terpolymers correct answers when a polymer consists of three different repeating units (mers)
Polymers correct answers natural or synthetic organic compounds
Plastics correct answers a synthetic material made from a wide range of organic polymers
Thermoplastics correct answers capable of being repeatedly softened by heat and hardened by
cooling.
Thermoset correct answers a network polymer that will undergo or has undergone a chemical
reaction by the action of heat, catalysts, ultraviolet light, leading to a relatively infusible state or
cross linking
Amorphous correct answers the molecular chains have NO order (characteristics: Clear, Softens,
Low Shrinkage)
Crystalline correct answers regions in the plastic that take on a highly ordered structure (Opaque,
Melts, High Shrinkage)