What is cementite in material science?

iron carbide
anhydrite cement
filler used in dentistry
heat-resistant alloy of iron and nickel
Cementite (or iron carbide) is a compound of iron and carbon, more precisely an intermediate transition metal carbide with the formula Fe3C. By weight, it is 6.67% carbon and 93.3% iron. It has an orthorhombic crystal structure.
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iron carbide
anhydrite cement
filler used in dentistry
heat-resistant alloy of iron and nickel
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flagAustralia
46%
30%
23%
0%
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flagGreece
44%
0%
27%
27%
18
flagPakistan
40%
20%
0%
40%
10
flagGermany
30%
23%
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23%
13
flagPoland
29%
16%
20%
33%
619
flagthe United States
20%
11%
34%
34%
44
flagIndia
14%
37%
24%
23%
81
flagthe United Kingdom
14%
28%
14%
42%
14