PIG IRON
Conversion pig iron according to GOST 805-95/
Foundry pig iron according to GOST 4832-95
Chemical composition
Purpose of
pig iron
| Pig iron
grade
| Mass fraction of elements, %
|
| C |
Si |
S |
P |
| max |
For
steel-making
production |
PR1 |
4,0-4,5 |
0,51-0,90 |
Categories |
Class А - 0,1 |
| PR2 |
max 0,50 |
1-0,01 |
Class В - 0,2 |
| 2-0,02 |
For
foundry
production |
PL1R |
0,91-1,20 |
3-0,03 |
Class А - 0,1 |
| PL2R |
0,51-0,90 |
4-0,04 |
Class В - 0,2 |
| 5-0,05 |
| Foundry pig iron
| L1 |
3,4-4,5 |
3,21-3,60 |
Categories
1-0,02
2-0,03
3-0,04 |
Class А - 0,08
Class В - 0,12 |
| L2 |
2,81-3,20 |
| L3 |
2,41-2,80 |
| L4 |
2,01-2,41 |
Categories
1-0,02
2-0,03
3-0,04
4-0,05 |
| L5 |
1,61-2,01 |
| L6 |
1,21-1,60 |
Mg refined
cast iron
| LR1 |
3,4-4,5 |
3,21-3,60 |
Categories
1-0,005
2-0,010 |
Class А - 0,08
Class В - 0,12 |
| LR2 |
2,81-3,20 |
| LR3 |
2,41-2,80 |
| LR4 |
2,01-2,41 |
| LR5 |
1,61-2,01 |
| LR6 |
1,21-1,60 |
| LR7 |
0,81-1,20 |
Chemical composition (continuation)
Purpose of
pig iron
| Pig iron
grade
| Mass fraction of elements, %
|
| Mn |
| Group |
| 1 |
2 |
3 |
4 |
For
steel-making
production |
PR1 |
max 0,50 |
0,51-1,00 |
1,01-1,50 |
- |
| PR2 |
For foundry
production |
PL1R |
max 0,30 |
0,31-0,50 |
0,51-0,90 |
0,91-1,50 |
| PL2R |
| Foundry pig iron
| L1 |
max 0,30 |
0,31-0,50 |
0,51-0,90 |
0,91-1,50 |
| L2 |
| L3 |
| L4 |
| L5 |
| L6 |
Mg refined
foundry pig iron
| LR1 |
max 0,30 |
0,31-0,50 |
0,51-0,90 |
|
| LR2 |
| LR3 |
| LR4 |
| LR5 |
| LR6 |
| LE7 |
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