FERROUS METALS

Question 1

Are those which contain iron as their main constituent or base metal .
EX: Carbon steel, stainless steel, cast iron, alloy steel

Answer 1

FERROUS METALS

Question 2

are rocks and minerals from which metallic iron can be extracted

Answer 2

IRON ORE

Question 3

ALLOYING ELEMENTS

Answer 3

ALUMINUM, SULFUR, CHROMIUM, NICKEL, COPPER, MANGANESE, SILICON, MOLYBDENUM, VANADIUM

Question 4

AIDS NITRIDING, RESTRICTS GRAIN FROTH

Answer 4

ALUMINUM

Question 5

ADDS MACHINABILITY, REDUCES WELDABILITY AND DUCTILITY

Answer 5

SULFUR

Question 6

INCREASES HARDENABILITY, RESISTANCE TO CORROSION AND HIGH TEMP STRENGHT

Answer 6

CHROMIUM

Question 7

AUSTENITIC STRUCTURE, HARDENABILITY AND TOUGHNESS

Answer 7

NICKEL

Question 8

TENACIOUS OXIDE FILM

Answer 8

COPPER

Question 9

HARDENABILITY AND AUSTENITIC STRUCTURE

Answer 9

MANGANESE

Question 10

REMOVES OXYGEN IN STEEL MAKING

Answer 10

SILICON

Question 11

GRAIN REFINEMENT, HARDENABILITY, HIGH TEMP

Answer 11

MOLYBDENUM

Question 12

GRAIN REFINEMENT, HARDENABILITY

Answer 12

VANADIUM

Question 13

BASIC FERROUS METAL
Charge with iron ore, limestone and coke

Answer 13

PIG IRON

Question 14

A steel to which one or more alloying elements other than carbon have been deliberately added (chromium, nickel…) to achieve particular physical property

Answer 14

ALLOY STEEL

Question 15

Variety of carbon steel and alloy steel that are particularly well suited to be made into tools

Answer 15

TOOL STEEL

Question 16

make the steel resistant to corrosion

Answer 16

COATING

Question 17

to further reduce the gauge and add the tin coat we commonly used in canned goods

Answer 17

TINNING

Question 18

-make it easier to bend and form

Answer 18

ANNEALING

Question 19

-uses special rollers to add hardness and other special finishes

Answer 19

TEMPERING

Question 20

-collective impurities

Answer 20

GANGUE

Question 21

-process by which impurities are removed from the ores

Answer 21

CONCENTRATION/ENRICHMENT

Question 22

concentrated ore is subjected to a process

Answer 22

CALCINATION

Question 23

-helps in removing moisture and organic matter

Answer 23

ROASTING

Question 24

-extraction of iron from its ore

Answer 24

SMELTING

Question 25

The roasted ore is mixed with

Answer 25

coke and limestone

Question 26

functions as the fuel and gets converted to carbon monoxide required for the reduction of ore

Answer 26

COKE

Question 27

-acts as flux

Answer 27

LIMESTONE

Question 28

-chemical substance which combines with impurities and forms a fusible slag.

Answer 28

FLUX