No. 308, Gongxin Road, Industrial Park, Dongxing Town, Jingjiang City, Jiangsu Province, China
jshuayekeji@163.com/ alex@cnboaoxcl.com
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Alloy cast steel rolls serve as indispensable core transmission and support components within the modern metallurgical industry. Specifically engineered for the most demanding industrial heat treatment environments, these products are primarily installed in various continuous annealing furnaces, galvanizing furnaces, and heating furnaces, where they bear the critical responsibility of ensuring the precise conveyance and stable support of materials under high-temperature conditions. By incorporating key alloying elements—such as chromium, nickel, and molybdenum—into a high-quality carbon steel base, and by utilizing advanced centrifugal casting and heat treatment processes, our rolls achieve an exceptional balance between high-temperature creep strength and surface chemical stability, thereby effectively guaranteeing the long-term, stable operation of production lines.
Key Product Features
Precise Resistance to Thermal Fatigue:
Designed to withstand the frequent temperature fluctuations inherent in furnace environments, these rolls exhibit superior resistance to thermal shock. Their optimized microstructure effectively inhibits the initiation and propagation of thermal fatigue cracks, thereby significantly extending their service life.
Exceptional Oxidation and Corrosion Resistance:
The surface of the roll spontaneously forms a dense, protective oxide film capable of withstanding the corrosive effects of various furnace gases (such as sulfur-bearing gases and reducing atmospheres). This protective layer prevents surface spalling caused by subsurface corrosion.
Superior Wear Resistance:
Through the precise control of carbide hardness and distribution, the roll surface achieves exceptionally high "red hardness" (hot hardness). This allows the roll to maintain its surface flatness even under prolonged conditions of friction and abrasion, thereby minimizing surface damage to the conveyed materials.
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Exporter Alloy Cast Steel Rolls Factory