Premium Quality Alloy Cast Steel Rolls
Our Alloy Cast Steel Rolls are engineered for exceptional performance with superior strength, toughness, and wear resistance. These high-performance rolls feature advanced alloy steel composition, offering outstanding mechanical properties and thermal stability, making them ideal for heavy-duty rolling mill operations and high-temperature applications.
Dynamic Rolls specializes in manufacturing high-quality Alloy Cast Steel Rolls with decades of industry expertise. Each roll is precision-engineered using advanced casting and heat treatment processes. Our Alloy Cast Steel Rolls feature exceptional tensile strength, superior impact resistance, and enhanced fatigue properties, ensuring consistent quality and extended service life in the most demanding hot and cold rolling applications.
Chemical Analysis
| Designation of Rolls | Material Code | C | Si | Mn | Ni | Cr | Mo |
|---|---|---|---|---|---|---|---|
| Zu60CMoMn | AS60 | 0.55 - 0.65 | 0.20 - 0.40 | 0.90 - 1.20 | 0.80 - 1.20 | 0.20 - 0.45 | |
| Zu60CrMoMnNi | AS60 I | 0.55 - 0.65 | 0.20 - 0.60 | 0.50 - 1.00 | 0.20 - 1.50 | 0.80 - 1.20 | 0.20 - 0.60 |
| Zu65CrNiMo | AS65 I | 0.60 - 0.70 | 0.20 - 0.60 | 0.50 - 0.80 | 0.20 - 0.50 | 0.80 - 1.50 | 0.20 - 0.45 |
| Zu7oMn | AS70 | 0.65 - 0.75 | 0.20 - 0.45 | 0.80 - 1.40 | |||
| Zu7oMn2 | AS70 I | 0.65 - 0.75 | 0.20 - 0.45 | 1.40 - 1.80 | |||
| Zu7oMn2Mo | AS70 II | 0.65 - 0.75 | 0.20 - 0.45 | 1.40 - 1.80 | 0.20 - 0.45 | ||
| Zu75CrMo | AS75 | 0.70 - 0.80 | 0.20 - 0.45 | 0.60 - 0.90 | 0.75 - 1.00 | 0.20 - 0.45 | |
| Zu75CrNiMnMo | AS75 I | 0.70 - 0.80 | 0.20 - 0.70 | 0.70 - 1.10 | ≥ 0.20 | 0.80 - 1.50 | 0.20 - 0.60 |
Physical Properties
| Designation of Rolls | Material Code | Barrel Hardness (HSD) | Neck Hardness (HSD) | Tensile Strength (Mpa) |
|---|---|---|---|---|
| Zu60CMoMn | AS60 | 32 - 50 | ≤ 45 | > 650 |
| Zu60CrMoMnNi | AS60 I | 35 - 45 | ≤ 45 | > 750 |
| Zu65CrNiMo | AS65 I | 32 - 45 | ≤ 45 | > 750 |
| Zu7oMn | AS70 | 32 - 42 | ≤ 45 | > 650 |
| Zu7oMn2 | AS70 I | 32 - 45 | ≤ 45 | > 680 |
| Zu7oMn2Mo | AS70 II | 32 - 45 | ≤ 45 | > 700 |
| Zu75CrMo | AS75 | 32 - 50 | ≤ 45 | > 700 |
| Zu75CrNiMnMo | AS75 I | 32 - 50 | ≤ 45 | > 800 |
Microstructure
Microstructure of working layer in the barrel: Pearlite or tempered sorbite
Applications
| Designation of Rolls | Material Code | Applications |
|---|---|---|
| Zu60CMoMn | AS60 | Bar, Wire, Strip, Steel Roughing |
| Zu60CrMoMnNi | AS60 I | Bar, Wire, Strip, Steel Roughing |
| Zu65CrNiMo | AS65 I | Bar, Wire, Strip, Steel Roughing |
| Zu7oMn | AS70 | Bar, Wire, Strip, Steel Roughing |
| Zu7oMn2 | AS70 I | Bar, Wire, Strip, Steel Roughing |
| Zu7oMn2Mo | AS70 II | Bar, Wire, Strip, Steel Roughing |
| Zu75CrMo | AS75 | Bar, Wire, Strip, Steel Rough Rolling, Narrow Steel Support Roller |
| Zu75CrNiMnMo | AS75 I | Bar, Wire, Strip, Steel Rough Rolling, Narrow Steel Support Roller |
Our Alloy Cast Steel Rolls are manufactured using premium grade steel with controlled chemical composition and advanced heat treatment processes. The forged and cast steel construction provides superior toughness and resistance to thermal cracking. We employ state-of-the-art casting technology, precision machining, and rigorous quality control to ensure each roll delivers exceptional performance, dimensional accuracy, and extended service life in high-load rolling mill applications.
