chrome4 alloy steel
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Cr4 alloy steel roll
Roll performance: The outer layer composition has lower carbon content and higher chromium alloy content. After the roller is quenched and tempered multiple times, the outer layer structure is tempered bainite + carbide, and the strength and impact toughness are significantly improved. , the core is made of high-strength ductile iron, and its overall performance is significantly better than other cast steel support rollers.
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