a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood

a lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron

crude iron tapped from a blast furnace

cast iron containing alloying elements (usually nickel or chromium or copper or molybdenum) to increase the strength or facilitate heat treatment

cast iron used for making cooking wares

a lamellar mixture of cementite and ferrite formed during the cooling of austenite; a constituent of steel and cast iron

crude iron tapped from a blast furnace

Ferroalloy refers to various alloys of iron with a high proportion of one or more other elements such as manganese, aluminium, or silicon.