Sb

ANTIMONY
WordClue
FOILvery thin sheet of metal
SPURmetal tool used in horsemanship
BRONZEmetal alloy
JACKETFull Metal ... (film)
FOUNDRYfactory that produces metal castings
MERCURYmetal
IRONCLADmetal-plated ship
EXPRESSIONsaying, saw
SCANDIUMSc