Premium Quality Carbide Roll Rings
Our Carbide Roll Rings are engineered for exceptional performance with outstanding hardness, superior wear resistance, and excellent thermal stability. These specialized roll rings feature advanced tungsten carbide composition with optimized microstructure, offering extreme hardness and extended service life, making them ideal for high-temperature rolling operations and demanding applications requiring maximum wear resistance and thermal shock resistance.
Dynamic Rolls specializes in manufacturing high-quality Carbide Roll Rings with decades of industry expertise. Each roll ring is precision-engineered using advanced powder metallurgy technology with controlled carbide grain size. Our Carbide Roll Rings feature exceptional hardness at elevated temperatures, superior thermal conductivity, and outstanding wear resistance, ensuring consistent quality, minimal roll consumption, and extended campaign life in the most demanding rolling mill applications.
Chemical Analysis
| Designation of Rolls | Material Code | C | Si | Mn | Ni | Cr | Mo | V | W |
|---|---|---|---|---|---|---|---|---|---|
| Carbide Ring | WC-Co | 0.10 - 0.30 | ≤ 0.50 | ≤ 0.30 | ≤ 0.50 | ≤ 1.00 | ≤ 0.50 | ≤ 0.30 | 85 - 95 (WC) |
| Premium Carbide | WC-Co-Ni | ≤ 0.20 | ≤ 0.40 | ≤ 0.20 | 3.00 - 8.00 | ≤ 0.80 | ≤ 0.40 | ≤ 0.20 | 88 - 94 (WC) |
Physical Properties
| Designation of Rolls | Material Code | Barrel Hardness (HSD) | Neck Hardness (HSD) | Tensile Strength (Mpa) |
|---|---|---|---|---|
| Carbide Ring | WC-Co | 88 - 92 (HRA) | 85 - 90 (HRA) | 2500 - 3500 |
| Premium Carbide | WC-Co-Ni | 90 - 93 (HRA) | 87 - 92 (HRA) | 2800 - 3800 |
Microstructure
Tungsten Carbide (WC) grains + Cobalt/Nickel binder matrix
Applications
| Designation of Rolls | Material Code | Application |
|---|---|---|
| Carbide Ring | WC-Co | Wire rod mill finishing stands, high-speed wire drawing, precision tube rolling, small section rolling mills, finishing rolls for high-carbon steel |
| Premium Carbide | WC-Co-Ni | Ultra-fine wire drawing, precision cold rolling, high-speed finishing operations, special alloy rolling, extreme wear resistance applications |
Our Carbide Roll Rings are manufactured using premium grade tungsten carbide powders with controlled grain size and advanced powder metallurgy processes. The sophisticated microstructure featuring uniformly distributed tungsten carbide grains in a tough cobalt or cobalt-nickel binder matrix provides exceptional wear resistance and thermal stability. We employ state-of-the-art manufacturing technology including hot isostatic pressing (HIP), precision sintering, advanced grinding and finishing processes, and rigorous quality control to ensure each roll ring delivers outstanding performance, superior surface finish, and maximum service life in the most demanding high-temperature rolling applications.
