Blooming Mill Roll |
|
HARDNESS DROP |
|
 |
 |
| Distance from Barrel Surface, mm |
Hs 70-75 °Sh-C x 100 |
|
| CHARACTERISTICS |
|
CHEMICAL COMPOSITION |
|
C |
Ni |
Cr |
Mo |
|
0.50-0.80 |
1.00 max |
0.70-1.20 |
0.20-0.50 |
|
0.90-1.20 |
1.00 max |
0.70-1.20 |
0.20-0.50 |
|
MECHANICAL PROPERTIES |
|
|
|
|
°Sh-C |
N/mm2 |
J/cm2 |
|
30-35 |
600-700 |
3.0-8.0 |
|
35-40 |
650-750 |
3.0-8.0 |
|
| Carbon Content in these rolls is in
the range of 0.50% to 1.20%. Heat treatment gives
either a spheroidised or fine pearlite matrix for
high toughness. Small areas of carbide increase the
wear resistance. |
| APPLICATION |
| Blooming and slabbing mill rolls.
Roughing and Intermediate rolls for heavy section
mills. |
