This roll grade uses iron with high nickel content together with chromium and molybdenum to produce a hard, wear resistant surface with combination of tough core which may be produced by static or centrifugal casting.In the working layer of these rolls fine graphite flakes -increasing resistance to spalling and fire cracks- are embedded in the matrix of cementite. The structure changes gradually from white iron (shell) to nearly grey
iron (core) with a decrease in hardness.This roll grade is suitable for rolling flat bars, narrow strip, rebar, wire rod and light sections at prefinishing and finishing stands.
Duplex rolls used for HSM work rolls are called as ICDP
| MATERIAL |
GRADE |
CHEMISTRY |
BARREL HARDNESS |
| C |
Si |
Mn |
Cr |
Ni |
Mo |
V |
W |
Nb |
(HSD) |
| Indefinite Chilled (IC) |
IC III |
2.90-3.60 |
0.60-1.20 |
0.40-1.20 |
0.70-1.20 |
2.01-3.00 |
0.20-1.00 |
|
|
|
65-78 |
| IC IV |
2.90-3.60 |
0.60-1.50 |
0.40-1.20 |
1.00-2.00 |
3.01-4.00 |
0.20-1.00 |
|
|
|
70-83 |
| IC V |
2.90-3.60 |
0.60-1.50 |
0.40-1.20 |
1.00-2.00 |
3.01-4.80 |
0.20-2.00 |
0.20-2.00 |
0.00-2.00 |
0.00-2.00 |
77-85 |
| LONG PRODUCT (LP) MILL ROLLS |
| MILL TYPE |
ROLL TYPE |
ROLL GRADE |
| BAR MILL |
Roughing, Intermediate,Finishing |
Cast Steel, Adamite Steel, Nodular lron, HSSTC in ring roll form |
| WIRE ROD MILL |
Roughing,intermediate,Finishing, Finishing Block |
Cast Steel, Adamite Steel Nodular lron, HSSCemented Carbide |
| SECTION MILL |
Breakdown. RoughingIntermediate, Finishing |
Cast Steel, Adamite Steel, Graphitic SteelNodular lron |
| HEAVY SECTION MILL |
Breakdown,Roughing, Edger,Tandem, UF, UR, Straightening |
Cast Steel, Adamite Steel, Graphitic SteelHiCr lron, HiCr Steel, Forged Steel |
| FLAT PRODUCT (FP) MILL ROLLS |
| MILL TYPE |
ROLL TYPE |
ROLL GRADE |
| HSM, Plate |
Roughing WR |
Special Alloy Cast Steel, HiCrSteel SemiHSS |
| HSM |
Roughing & Finishing BUR |
Duplex Cast Steel, Forged Stee! |
| HSM |
F1-F4, F5-F7 WR |
Hi Cr lron, ICDP HSS |
| CSM |
Tandem, Reversible,Sendzimir WR |
Cr3, Cr4, Cr5 Forged Steel |
| CSM |
BUR |
Cr3, Cr4, Cr5 Forged Steel/Duplex Cast Steel |
Audited Supplier 
){kind=link}