Driving quality upgrades with material innovation, high-performance material technology empowers construction machinery components

2026-09-01 11:05:41

Material is the foundation of component performance and the primary focus of Yiteng Machinery's technological advancements. In the field of high-strength fasteners, the company's technical team has established refined material selection and smelting process systems tailored to the performance requirements of products across different strength grades. For 12.9-grade high-strength bolts, premium alloy structural steel is selected, with strict control over the content of basic elements such as carbon, manganese, and silicon during smelting. By adding appropriate amounts of micro-alloying elements like vanadium, titanium, and molybdenum, the grain structure of the steel is refined, fundamentally enhancing the material's strength and toughness. The optimized formulation for 10.9-grade bolts ensures stable tensile strength compliance while significantly improving low-temperature impact toughness, enabling the products to meet the demands of extreme low-temperature working conditions in mining and polar environments. For 8.8-grade fasteners, tempered steel material is employed, achieving an optimal balance between strength and plasticity through precisely controlled tempering processes, thereby fulfilling the dual requirements of connection reliability and assembly convenience under conventional engineering machinery operating conditions.

In terms of wear-resistant material, Yiteng Machinery focuses on breakthroughs in the technology of Bucket teeth pins and related materials. As a critical connecting component between the Bucket teeth and the bucket boom, the bucket teeth Pin bears enormous shear forces and impact loads, demanding extremely high comprehensive mechanical properties from the material. The company's newly developed specialized alloy steel material for bucket teeth Pins achieves a combination of high strength and toughness through optimized chromium, nickel, and molybdenum ratio design, along with advanced quenching-tempering heat treatment processes, significantly enhancing fatigue resistance under harsh working conditions. For special applications such as crusher bolts subjected to high-intensity impacts, the company has developed specialized high-toughness alloy materials that ensure sufficient strength while providing excellent impact resistance, effectively extending the continuous operation time of crushers during hard rock crushing operations.

The material technology of hydraulic components is also a key area of breakthrough for the company. Hydraulic pipe fittings are critical connecting components in hydraulic systems that bear high pressure, requiring strict demands on material pressure resistance, sealing, and fatigue resistance. Yiteng Machinery selects high-quality carbon steel and alloy steel as raw materials for pipe fittings, optimizing the internal fiber flow lines through precision forging processes, significantly enhancing the pressure-bearing capacity compared to traditional methods. For sealing components such as pipe caps and sleeves, the company has introduced high-performance engineering plastics and special rubber sealing materials, achieving industry-leading levels in corrosion resistance, oil resistance, and long-term sealing stability. The hose assemblies adopt a multi-layer composite structure design, with the inner layer made of oil-resistant and temperature-resistant special synthetic rubber, the intermediate reinforcement layer using high-strength steel wire weaving, and the outer layer covered with wear-resistant and weather-resistant protective materials, ensuring long-term stable operation of the hoses under complex working conditions.

In terms of material testing, Yiteng Machinery has established a comprehensive material testing laboratory equipped with advanced testing equipment such as direct reading spectrometers, metallographic microscopes, universal testing machines, impact testing machines, hardness testers, etc. From raw material incoming inspection to finished product factory inspection, each batch of materials must undergo a complete set of physical and chemical inspection processes, including chemical composition analysis, mechanical property testing, and metallographic structure testing, to ensure stable and reliable material properties. The company has established a comprehensive material database and quality traceability system, and the material information of each product can be traced back to the batch number of the raw material furnace, providing a solid material guarantee for product quality.

Material technology is the source of the quality of engineering machinery components, and it is also the technical cornerstone for us to create value for our customers. "The person in charge of Yiteng Machinery Technology stated that the company will continue to deeply cultivate the field of material technology, maintain close cooperation with domestic and foreign material research institutions and steel enterprises, continuously introduce and develop new high-performance engineering materials, continuously improve the material technology level of products, and provide global customers with higher quality and more reliable engineering machinery component solutions.