Zan Yao

Title: Zan Yao - Innovator in Steel Manufacturing

Introduction: Zan Yao is an accomplished inventor based in Shanghai, China. He is currently employed at Baoshan Iron & Steel Co., Ltd., where he focuses on developing innovative steel products. Despite having no granted patents to his name, his contributions to the field of metallurgy are noteworthy.

Latest Patent Applications: Zan Yao has submitted several patent applications that showcase his expertise in steel manufacturing. One of his latest applications is for a steel designed for bolts, which includes specific chemical compositions such as C: 0.37 to 0.45%, Si: 0.01 to 0.08%, Mn: 0.45 to 0.80%, Cr: 0.90 to 1.30%, Mo: 0.20 to 0.45%, Ni: 0.10 to 0.30%, V: 0.15 to 0.30%, and Al: 0.015 to 0.035%. This invention also outlines a comprehensive manufacturing method that includes smelting, casting, rough rolling, high-speed wire rolling, controlled cooling, and heat treatment. The resulting steel boasts a uniform structure, low production costs, high strength, and excellent delayed fracture resistance.

Another significant application is for high-strength and high-fatigue-life steel for cables. This steel comprises 0.90-1.00% of C, 0.90-1.50% of Si, 0.25-0.58% of Mn, 0.20-1.00% of Cr, 0.03-0.12% of V, and 0.0008-0.0025% of Ca. The application also includes a preparation method for wire rods made from this innovative steel.

Conclusion: Zan Yao is a dedicated inventor whose work at Baoshan Iron & Steel Co., Ltd. reflects his commitment to advancing steel manufacturing technologies. His latest patent applications demonstrate his innovative approach to creating high-performance steel products.