
Most Popular Wear Resistance 51CRV4 50crva Steel Coi for Quenching and Tempering Treatment. Diverse Steel Grades: Includes 51CrV4, 62Si2MnA, 75Cr1, and various spring and tool steels. Precise Thickness Tolerance: Tolerance less than +0.005mm after 20-roll rolling for high precision. Advanced Heat Treatment: Equipped with 4 continuous quenching and isothermal tempering lines. Wide Thickness Range: Available thickness from 0.1mm to 10.0mm with widths up to 650mm. Mill Test Certificate: Full Mill Test Certificate available for all steel products upon request. Customized Packaging: Reinforced packaging available, customizable according to client requirements. Factory Visit Allowed: Clients are welcome to visit the factory before placing orders. Free Sample Testing: Free samples provided for testing, buyer only pays freight cost.