Basic properties
is steel magnetic?
Yes
why would you use a brass hammer around flammable materials ?
It doesnt create sparks
which is heavier, Aluminum or steel?
steel
What conducts eletricity better steel or copper?
copper
Why is titanium used for hip replacements?
Its highly biocompatible. doesn't trigger rejection.
is copper magnetic?
No
WHy is copper commonly used in electrical wiring?
Excellent conductor of electricity.
what color is copper ?
orange-reddish
which is more likely to rust if left outside, bare steel or galvanized steel?
BARE STEEL
Which metal is liquid at room temperature?
Mercury
What two metals combine to make brass?
Copper and zinc
WHy doesnt tungsten melt away and become part of the weld like mig wire does?
High melting point and non consumable.
how is brass different than steel?
its softer
why doesnt brass rust the way steel does?
its non ferrous
which metal is famous for being extremely dense?
tungsten or lead
What coating protects galvanized steel from rust?
Zinc
WHy is galvanized steel still magnetic?
core underneath is still steel, zinc is a coating
What does ferrous mean?
contains mostly iron
what is rust called chemically?
iron oxide
Copper
What metal has one of the highest melting points?
Tungsten
Silver
what does non ferrous mean?
doesnt contain mostly iron
whats needed for rust to form?
Iron, Oxygen and moisture
whats the most corrosion resistant metal?
gold