Makkah Group
Technology & Solution
Technology & Solution
| Designation of Rolls | Material Code | C | Si | Mn | Ni | Cr | Mo | V | W |
|---|---|---|---|---|---|---|---|---|---|
| HSS | HSS | 1.50 - 2.20 | 0.30 - 1.00 | 0.40 - 1.20 | 0.00 - 1.50 | 3.00 - 8.00 | 2.00 - 8.00 | 2.00 - 9.00 | 0.00 - 2.00 |
| S- HSS | S- HSS | 0.60 - 1.20 | 0.80 - 1.50 | 0.50 - 1.00 | 0.20 - 1.20 | 2.00 - 5.00 | 2.00 - 5.00 | 0.40 - 3.00 | 0.00 - 3.00 |
| Designation of Rolls | Material Code | Barrel Hardness (HSD) | Neck Hardness (HSD) | Tensile Strength (Mpa) |
|---|---|---|---|---|
| HSS | HSS | 75 - 85 | 30 - 45 | 400 - 500 |
| S - HSS | S - HSS | 75 - 88 | 30 - 45 | 400 - 500 |
| A Small amount of tempered martensite + carbide + carbon |
|---|
| Designation of Rolls | Material Code | Application |
|---|---|---|
| HSS | HSS | Rolled strip, bar finishing roller, high speed wire pre-finishing, steel roller universalrolling mill, wide plate mill work roll |
| S - HSS | S - HSS | Rough rolling hot strip mill work roll, cold rolled strip steel work roll, intermediate roll |
| Specification | Material | Product Code | Barrel Hardness (HSD) | |
|---|---|---|---|---|
| Finished Frame Mill Roll Prefinished Frame Mill Roll |
280 - 550 | High-performance High Speed Steel | MG01 | 82 - 88 |
| Cutting Frame Mill Roll | 280 - 550 | High-performance Segmentation High Speed Steel | MG02 | 75 - 78 |
| Pre-Cutting Frame Mill Roll | 280 - 550 | High-performance Segmentation High Speed Steel | MG03 | 78 - 81 |
Specailist in HSS Rolls, Tungsteen Carbide Rings & All Types of Rolls.