<Table> <Tr> <Th> Steels and other iron--carbon alloy phases </Th> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> <Ul> <Li> Ferrite </Li> <Li> Austenite </Li> <Li> Cementite </Li> <Li> Graphite </Li> <Li> Martensite </Li> </Ul> </Td> </Tr> <Tr> <Th> Microstructures </Th> </Tr> <Tr> <Td> <Ul> <Li> Spheroidite </Li> <Li> Pearlite </Li> <Li> Bainite </Li> <Li> Ledeburite </Li> <Li> Tempered martensite </Li> <Li> Widmanstatten structures </Li> </Ul> </Td> </Tr> <Tr> <Th> Classes </Th> </Tr> <Tr> <Td> <Ul> <Li> Crucible steel </Li> <Li> Carbon steel </Li> <Li> Spring steel </Li> <Li> Alloy steel </Li> <Li> Maraging steel </Li> <Li> Stainless steel </Li> <Li> Weathering steel </Li> <Li> Tool steel </Li> </Ul> </Td> </Tr> <Tr> <Th> Other iron - based materials </Th> </Tr> <Tr> <Td> <Ul> <Li> Cast iron </Li> <Li> Gray iron </Li> <Li> White iron </Li> <Li> Ductile iron </Li> <Li> Malleable iron </Li> <Li> Wrought iron </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th> Steels and other iron--carbon alloy phases </Th> </Tr> <Tr> <Td> <Ul> <Li> Ferrite </Li> <Li> Austenite </Li> <Li> Cementite </Li> <Li> Graphite </Li> <Li> Martensite </Li> </Ul> </Td> </Tr>

Carbon content in steel varies in general from