image/svg+xml
Steel and cast iron areas of the iron/carbon binary diagram
21 mai 2010
Christophe Dang Ngoc Chan
en
iron-carbon binary phase diagram
steel
cast iron
pig iron
Iron/carbon buinary diagram: the solid zone is coloured: blue for the steel, yellow for the cast iron and pig iron
C (m%)
0
1
2
3
4
5
T (°C)
500
1 000
1 500
L
L+δ
C (at%)
δ + γ
L + γ
γ
α
α + Fe3C
γ + Fe3C
L + Fe3C
600
700
800
900
1 100
1 200
1 300
1 400
1 600
2
4
6
8
δ
α + γ
2,11
4,30
727 °C
0,77
0,022
912 °C
1 394 °C
1 487 °C
1 538 °C
10
12
14
16
18
T (K)
800
900
1 000
1 100
1 200
1 300
1 400
1 500
1 600
1 700
1 800
0,51
1 148 °C
A3
A1
Acm
A4
1 227 °C
Fe3C
6
7
20
22
24
6,67
Steel
Cast iron/pig iron
liquid
solid