Makkah Group
Technology & Solution
Technology & Solution
| Designation of Rolls | Material Code | C | Si | Mn | Ni | Cr | Mo | Mg |
|---|---|---|---|---|---|---|---|---|
| CrMo Indefinite Chilled SG Cast Iron Rolls | SG II | 3.00 - 3.40 | 1.40 - 1.90 | 0.20 - 0.80 | 0.20 - 0.60 | 0.20 - 0.60 | ≥ 0.04 | |
| NiCrMo Indefinite Chilled SG Cast Iron Rolls (I) | SG IV | 3.00 - 3.40 | 1.40 - 1.90 | 0.40 - 0.80 | 0.50 - 1.00 | 0.20 - 0.60 | 0.20 - 0.60 | ≥ 0.04 |
| NiCrMo Indefinite Chilled SG Cast Iron Rolls (II) | SG V | 3.00 - 3.40 | 1.40 - 1.90 | 0.40 - 0.80 | 1.10 - 2.00 | 0.30 - 1.00 | 0.20 - 0.60 | ≥ 0.04 |
| Designation of Rolls | Material Code | Barrel Hardness (HSD) | Neck Hardness (HSD) | Tensile Strength (Mpa) |
|---|---|---|---|---|
| CrMo Indefinite Chilled SG Cast Iron Rolls | SG II | 50 - 70 | 35 - 55 | > 320 |
| NiCrMo Indefinite Chilled SG Cast Iron Rolls (I) | SG IV | 55 - 70 | 35 - 55 | > 320 |
| NiCrMo Indefinite Chilled SG Cast Iron Rolls (II) | SG V | 60 - 70 | 35 - 55 | > 320 |
| Designation of Rolls | Material Code | Microstructure |
|---|---|---|
| CrMo Indefinite Chilled SG Cast Iron Rolls | SG II | Pearlite + Cementite + Small Graphite |
| NiCrMo Indefinite Chilled SG Cast Iron Rolls (I) | SG IV | Pearlite + Cementite + Small Graphite |
| NiCrMo Indefinite Chilled SG Cast Iron Rolls (II) | SG V | Fine Pearlife + Cementite + Small Graphite |
| Designation of Rolls | Material Code | Microstructure |
|---|---|---|
| CrMo Indefinite Chilled SG Cast Iron Rolls | SG II | Profile, Rod, Wire and Narrow Strip Mill Thick in the Rolling Mill Stand |
| NiCrMo Indefinite Chilled SG Cast Iron Rolls (I) | SG IV | Profile, Rod, Wire and Narrow Strip Mill Thick in the Rolling Mill Stand |
| NiCrMo Indefinite Chilled SG Cast Iron Rolls (II) | SG V | Profile, Rod, Wire and Narrow Strip Mill Thick in the Rolling Mill Stand |
Specailist in HSS Rolls, Tungsteen Carbide Rings & All Types of Rolls.