pelti (englanniksi)

sheet iron (s: muutaman millimetrin paksuinen teräs- tai muu metallilevy)
sheet metal (s: muutaman millimetrin paksuinen teräs- tai muu metallilevy)
plate . If plate is thick enough to be stiff (s: a flat, flexible, metallic object of uniform thickness)
it is called levy (s)
sheet (s: a flat metal pan used for baking in oven)
damper (s: a valve or movable plate in the flue duct of a stove, furnace, etc., used to regulate the draught of air)