Jinan Haoyang Casting and Forging has successfully industrialized the "gradient hardening" technology, which has increased the lifespan of forged steel balls by 40%, reduced the breakage rate to less than 0.1%, and the wear of Φ60mm products per ton of raw materials is only 0.8kg. It saves 18% of electricity. This product has passed the EU REACH certification and has reached a cooperation agreement with LafargeHolcim. In the first quarter of 2025, the export volume will increase by 30%. The company plans to build a photovoltaic workshop and achieve full-process carbon neutrality production in 2026, continuously leading the high-end wear-resistant material market.

Jinan Haoyang Casting and Forging has mass-produced a new generation of forged steel balls. The 65# material products have a wear rate as low as 0.85kg, which is 30% lower than the industry average. This can increase the grinding efficiency of mines by 15%. Leveraging its geographical advantages, the products can be delivered quickly. They are available in both domestic and international markets and have received long-term orders from American customers. It has become the preferred cost-saving solution for mining enterprises.

The high-grade low-sulfur and low-phosphorus forged steel balls from Haoyang Casting and Forging of Jinan have been certified by France's ASN and have been installed in the Flamanville Nuclear Power Plant. The sulfur and phosphorus content is ≤ 0.005%, and the fatigue life is 100,000 impact cycles without cracks. The innovative vacuum degassing process has achieved a flaw detection pass rate of 99.8%, breaking the French technological monopoly. It has obtained the EU CE certification and is expected to export 3,000 tons per year. Plans to add 2 more nuclear power production lines.

Jinan Haoyang Casting and Forging has collaborated with the German SMS Group to jointly establish a China-Europe Wear-resistant Materials Joint Laboratory. With an investment of 5 million euros, they are developing ultra-fine grain alloy forging balls. The goal is to increase the fatigue life by 1.8 times compared to international standards. The laboratory will introduce SMS' digital control technology and will apply for 5 EU patents within three years. The performance of the first 120mm steel ball will exceed the German standard. It is expected to increase annual export volume by 120 million yuan and promote the upgrading of wear-resistant material industries in Zhangqiu.

I. Focus on the research and development of wear-resistant steel balls: Build product barriers through technological innovation 1. Concentrate on material science and process optimization The core competitiveness of wear-resistant steel balls lies in their wear resistance, toughness, and cost-effectiveness. This requires a dual-driven research approach, combining material formulation and production processes. Material Research: Based on the specific operating conditions of different application scenarios (such as mines, cement, and power coal mills), develop customized material systems. For instance, by adjusting the proportions of alloy elements such as chromium, manganese, and molybdenum, optimize the metallographic structure (such as a martensite + bainite composite structure), balance hardness (HRC 55-65) with impact toughness (≥12J/cm²), and address the pain points of traditional steel balls being "hard but brittle" or "having good toughness but poor wear resistance". Process Innovation: Introduce advanced processes such as centrifugal casting, integrated forging + heat treatment, and isothermal quenching to enhance the density and uniformity of steel balls. At the same time, explore intelligent production technologies (such as AI-controlled quenching temperature and 3D-printed molds) to shorten the research and development cycle and reduce trial-and-error costs. 2. Establish a collaborative innovation mechanism involving industry, academia, and research institutions Collaborate with material colleges of universities such as Shandong University and Jinan University to jointly establish the "Wear-resistant Materials Joint Laboratory", focusing on fundamental research on the fatigue life and wear mechanism of wear-resistant steel balls, and quickly converting laboratory results into mass production technologies. In response to export market demands (such as the requirements for environmental protection and low noise in European and American mines), jointly develop green products such as low-chromium alloy steel balls and recyclable steel balls with overseas research institutions, and lay out international technical standards in advance.

Forged steel balls and cast balls are two of the core media in the industrial grinding field, and their processes and performance differ significantly. Forged steel balls are made of low-carbon alloys, high-manganese steel, or rare earth chromium-molybdenum alloys, and are formed through heating and forging. They have the characteristics of smooth surfaces, strong impact resistance, and high toughness, with a breakage rate of less than 1%. They have excellent wear resistance and are particularly suitable for wet grinding environments in mines and power plants. Their prices are economical and are widely adopted by international giants such as Rio Tinto and BHP Billiton. Cast balls are made from low-chromium, medium-chromium, or high-chromium cast iron and are formed by pouring. Although high-chromium cast balls have high hardness (HRC 60+) and excellent wear resistance, their toughness is poor. Balls with a diameter over 3 meters are prone to cracking in ball mills, and their costs are higher. They are mostly used in dry ball mills in the cement industry. The core difference between the two lies in: The forging process optimizes the metal flow structure, and the anti-cracking performance of forged steel balls is 5-10 times that of cast balls. However, cast balls rely on increasing chromium content to enhance wear resistance, but at the expense of corrosion resistance. When selecting, it is necessary to consider the working conditions (dry/wet grinding, equipment scale), cost, and performance requirements. For example, large mines prefer forged steel balls, while cement plants tend to use high-chromium cast balls.

【Jinan Haoyang Forging and Casting Deepens Cooperation with Chile's CODELCO】On June 30th, the technical team of Chile's CODELCO visited Jinan Haoyang Forging and Casting, focusing on inspecting its fully automated forging workshop and quality inspection system, and observing the entire production process of 5.5-inch high wear-resistant steel balls in real time. During the meeting, Haoyang showcased cases exported to over 20 countries and its B2-level special alloy steel ball technology. Its HRC62 hardness and 1% breakage rate indicators were recognized by the foreign party. Based on the fulfillment of a 2,000-ton order, the two parties signed the "Strategic Supplier Framework Agreement". Haoyang will customize a full series of 3-6-inch forged steel balls for CODELCO's expansion project in 2026, with an estimated annual supply volume of 150,000 tons. General Manager Zhang Hua of Haoyang disclosed that the company is leveraging the geographical advantages of Zhangqiu District to build a bonded warehouse and plans to achieve direct delivery of 72-hour global urgent orders. As an enterprise deeply engaged in wear-resistant materials for 18 years, Haoyang has 12 forging production lines, with an annual capacity of 80,000 tons. Its products have passed SGS and ISO9001 certifications and serve international projects such as Chile's national copper mines and Australia's FMG.

Jinan Haoyang Forging & Casting Co., Ltd. is headquartered in Zhangqiu District, Jinan City. It is a medium-sized manufacturing enterprise specializing in the production of steel bars and wear-resistant steel balls. Although the company has less than 50 employees, it has gained market recognition for its core products such as high-hardness forging steel balls, mining beneficiation steel balls, and steel balls for ball mills in cement plants. Its steel bars are widely used in the mining, cement, and power industries due to their excellent wear resistance and high strength. The transaction volume on Alibaba platform verifies the market demand. The company ensures product quality through a complete quality management system and holds 15 patents, 1 trademark, and multiple qualification certificates, demonstrating its technical strength. In the future, the enterprise plans to continuously increase investment in research and development, optimize product performance, expand applications in multiple industries, and contribute to the upgrading of the manufacturing industry.

Jinan Haoyang Forging & Casting Co., Ltd. has recently made a significant breakthrough in the field of hot-rolled grinding balls. Since its establishment in 2011, the company has been dedicated to the research and development of wear-resistant materials. This time, by optimizing the alloy element ratio and combining advanced casting and forging equipment with detection technology, the company successfully enhanced the product performance. Its new generation of hot-rolled grinding balls has advantages such as high uniformity of hardness (deviation ≤ 3%), a loss round rate lower than 0.8%, and a 15% increase in wear resistance. It can help users reduce production costs by approximately 5%. Currently, the products have been widely used in industrial scenarios such as mining crushing, thermal power generation, and cement and building materials, and have served over 200 customers cumulatively. With its continuous innovation capabilities, the company has formed a core technology barrier in the field of wear-resistant materials. In the future, it will promote the upgrading of industry technical standards and help the manufacturing industry reduce costs and increase efficiency.