1.Nodular cast iron steering knuckle has excellent tensile strength of up to 500MPa and outstanding toughness. 2.Nodular cast iron steering knuckle has a low density, which allows it to achieve lightweight vehicles while ensuring strength, thereby reducing fuel consumption and emissions. 3.Nodular cast iron steering knuckle has much better corrosion resistance than ordinary cast iron. Suitable for humid or highly corrosive environments.