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PRODUCTION SPECIFICATION FOR GREY CAST IRON CASTING FOR CAPOLA FURNACE: -
CASTING OF GREY CAST IRON FULLY MAINTAINED AS PER SPECIFICATION REQUIRED BY CUSTOMER
IS-210 - 93
IS6331 -87 |
ASTM
A-48-94a |
BS 1452-90 |
DIN-1691-85 |
GOST 1412-85 |
ISO-185-88 |
JIS-G5501-89 |
SAE J431-93ASTM
A159-83 |
| FG 150 |
25B |
150 |
GG-15 |
C415 |
150 |
FC150 |
G2500 |
| FG 200 |
30B |
200 |
GG-20 |
C420 |
200 |
FC200 |
G3000 |
| FG 220 |
35B |
220 |
- |
C424 |
- |
- |
G3500 |
| FG 260 |
40B |
250 |
GG-25 |
C425 |
250 |
FC250 |
G4000 |
SPECIFICATION SHEET FOR CHEMICAL COMPOSITION OF DIFF GRADES OF CAST IRON: -
GRADE
|
100
|
150
|
200
|
260 |
| % C |
3.5 - 3.8 |
3.4 - 3.7 |
3.2 - 3.5 |
3.1 - 3.4 |
| % SI |
2.3 - 2.8 |
2.1 - 2.6 |
1.8 - 2.3 |
1.6 - 2.1 |
| % MN |
0.4 - 0.8 |
0.5 - 0.8 |
0.6 - 0.8 |
0.6 - 0.8 |
| % P |
MAX 0.2 |
MAX 0.2 |
MAX 0.2 |
MAX 0.15 |
| % S |
0.06 - 0.15 |
0.06 - 0.15 |
0.06 - 0.15 |
0.06 - 0.12 |
| C EQV. |
4.2 - 4.6 |
4.0 - 4.3 |
3.8 - 4.1 |
3.6 - 3.9 |
| BHN |
120 - 140 |
130 - 150 |
140 - 170 |
170 - 220 |
| TENSILE
STRENGTH |
12
kg/mm2 |
15
kg/mm2 |
20
kg/mm2 |
25
kg/mm2 |
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