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Pearlitic rolls are high-quality rolls composed of nodular graphite and carbides arranged in a peralitic matrix. Compared to Indefinite Chill rolls, the graphite structure of Pearlitic rolls is changed from flake to spheroidal forms, resulting in higher strength and better wear resistance.
Pearlitic rolls are ideal for rolling mills, hot-strip mills, cold-rolling mills, and other heavy-duty machinery applications. Pearlitic rolls can be produced through either static casting or centrifugal cast double-pour methods, both of which ensure high-quality and consistent performance.
The static casting method involves casting the entire roll in one piece and cooling it gradually, resulting in a uniform and dense material structure. The CC double-pour method, on the other hand, begins with pouring the roll core using static casting and then adding the outer layer through centrifugal casting. This method ensures a balanced material structure, excellent heat dissipation, and better performance.
Pearlitic rolls are characterized by their excellent wear resistance, impact resistance, and thermal shock resistance. They also have a high thermal conductivity that allows for effective heat dissipation during the rolling process. With their long lifespan and superior performance, Pearlitic rolls are the preferred choice for many businesses in the industry.
If you're looking for a high-quality roll that can meet the complex needs of your heavy-duty machinery applications, Pearlitic rolls should be at the top of your list. With their excellent properties and superior performance, they are an investment that will pay off in the long run.
| Manufacture drawing | √ | Checking report | √ |
| Process schedule with ETD date | √ | High-Quality After-Sales Service | √ |
| QC checking of each process | √ | Personalized Services | √ |
| Photos &videos of each process | √ | Multi-Channel Support | √ |
| The third party Checking | √ | Educational Content | √ |
| ISO 9001 certificate | √ | Discounts and Promotions | √ |
| Warranty Time | √ | Environmental Protection and Social Responsibility | √ |
| Symbol | C | Si | Mn | Cr | Ni | Mo | Mg | |
| SGPⅠ | 2.90-3.60 | 1.40-2.20 | 0.40-1.00 | 0.10-0.60 | 1.50-2.00 | 0.20-0.80 | ≥0.04 | |
| SGPⅡ | 2.90-3.60 | 1.20-2.00 | 0.40-1.00 | 0.20-1.00 | 2.01-2.50 | 0.20-0.80 | ≥0.04 | |
| SGPⅢ | 2.90-3.60 | 1.00-2.00 | 0.40-1.00 | 0.20-1.20 | 2.51-3.00 | 0.20-0.80 | ≥0.04 | |
| Symbol | Barrel | Roll Neck | Tensile Strength | |||||
| Hardness | ||||||||
| SGPⅠ | 45-55 HS | 35-55 HS | ≥350/450 MPa | |||||
| SGPⅡ | 55-65 HS | 35-55 HS | ≥350/450 MPa | |||||
| SGPⅢ | 62-72 HS | 35-55 HS | ≥350/450 MPa | |||||
| Symbol | Application | |||||||
| SGPⅠ | Rolls for roughing stands of medium section mills, bar mills and wire mills. Roll for intermediate, finishing stands of bar mills. -Roll for sleeves of universal stands. |
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| SGPⅡ | ||||||||
| SGPⅢ | ||||||||
Static Cast
Centrifugal Cast
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