Cast steel parts as a cornerstone of modern industry
As an indispensable key component of modern industry, cast steel parts are widely used in many fields, from construction machinery to aerospace, from automobile manufacturing to energy industry, its figure is everywhere. With its unique performance characteristics, it provides a solid foundation support for all kinds of complex projects and high-end equipment.
In the field of construction, large cast steel parts are used to build key nodes of bridges and load-bearing structural components of high-rise buildings. For example, some of the main piers of cross-sea bridges are connected by cast steel parts, which can withstand huge tension, pressure and impact to ensure the safety and stability of the bridges in the harsh marine environment and heavy traffic loads. In the aerospace field, the high strength, high temperature resistance and lightweight characteristics of cast steel parts make them ideal materials for engine parts, landing gear and other key parts. Aircraft engine turbine blades, magazines and other advanced cast steel manufacturing process, can be in the high temperature, high pressure and high speed rotation of the extreme conditions of reliable operation, for the aircraft flight performance and safety provides a strong guarantee.
Automobile manufacturing industry is also inseparable from the cast steel parts. Engine block, transmission housing, chassis suspension parts, etc. A large number of cast steel material. Cast steel parts of good mechanical properties to meet the engine at high temperatures, high pressure and high speed work requirements, while ensuring that the transmission in the process of frequent gear changes in the reliability and durability. Cast steel parts in the chassis suspension system provide stable handling performance and comfortable driving experience.
The energy industry in the oil extraction equipment, power generation equipment, etc. also has a wide range of cast steel parts demand. Components such as turntables and derricks for oil drilling rigs, as well as turbine blades and generator rotors for power generation equipment, rely on the high strength, abrasion and corrosion resistance of cast steel parts to ensure long-term stable operation under harsh operating conditions and to provide reliable hardware support for the extraction and conversion of energy.
Excellent performance characteristics of EATHU cast steel parts
Excellent overall mechanical properties
EATHU cast steel components offer an excellent balance of strength, hardness and toughness. Through precise alloy composition design and advanced heat treatment processes, cast steel products with a specific combination of strength and toughness can be customized to meet the needs of different customers. For example, in some components of construction machinery subjected to high impact loads, the high strength of cast steel parts can withstand instantaneous huge impacts, while good toughness can prevent parts from brittle fracture under impacts, ensuring safe and reliable operation of equipment. This excellent comprehensive mechanical properties make the company's cast steel parts in all kinds of heavy-duty, high-speed and complex working conditions of mechanical equipment has been widely used.
Diversified Special Properties
In addition to the basic mechanical properties, EATHU's cast steel parts can also be characterized by a wide range of special properties. In terms of wear resistance, through the addition of specific alloying elements and the use of special casting technology, the surface of the cast steel part forms a hard wear-resistant phase, which effectively improves its service life under the friction and wear environment. For example, EATHU's wear-resistant cast steel parts can significantly reduce the rate of wear, reduce the frequency of maintenance and replacement, and improve the production efficiency of mining machinery, such as crusher hammerheads, ball mill liners and other components.
For high and low temperature resistance, the company has developed cast steel alloys formulated to maintain stable performance in extreme temperature environments. In high-temperature environments, such as furnace components of steel smelting equipment and fixtures of heat treatment furnaces, cast steel parts are able to withstand high-temperature oxidation and creep deformation to ensure the normal operation of the equipment. In low-temperature environments, such as key components of liquefied natural gas (LNG) storage and transmission equipment, the low-temperature toughness of cast steel parts prevents them from becoming embrittled at low temperatures and ensures the safety and reliability of energy transmission.
Corrosion resistance is also a highlight of EATHU cast steel parts. For the chemical industry, the ocean and other corrosive environments, the use of corrosion-resistant alloy elements and special surface treatment technology, so that the cast steel parts have good corrosion resistance. In the application scenarios of chemical reactor and structural parts of ocean engineering platform, they can effectively resist the erosion of acid, alkali, salt and other corrosive mediums, prolonging the service life of the equipment and reducing the maintenance cost.
Wide range of specification adaptations for EATHU cast steel parts
Wide span of quality specifications
EATHU shows great flexibility in the quality production of cast steel parts, which range from light weights of a few grams to weights of up to 400 tons. For cast steel components in micro-precision instruments and electronic devices, such as miniature sensor housings and small gears in precision mechanical transmissions, the company is able to produce cast steel parts of just a few grams in a high-precision casting process that ensures good mechanical properties and dimensional accuracy in a small space. In the field of large infrastructure and heavy industrial equipment, such as large hydraulic turbine runner, nuclear power plant pressure vessel, etc., the company has the ability to manufacture huge cast steel parts weighing up to 400 tons, and the successful production of these large cast steel parts requires advanced casting equipment, exquisite technology and perfect quality control system.
Full range of dimensions
In terms of wall thickness, EATHU's steel castings are capable of producing thin-walled structures as small as 0.5 mm to thick-walled components of more than 1 meter. Thin-walled castings, such as intake manifolds for automobile engines and housings for certain precision instruments, require a casting process with extremely high fluidity and fillability to ensure that the casting liquid fills the thin-walled cavities homogeneously while avoiding defects such as underpouring and cold segregation. Thick-walled cast steel parts are mainly used to withstand great pressure and load occasions, such as large rolling mill plaques, heavy crane hooks, etc., the production process requires strict control of the cooling rate and internal stress to prevent cracks and shrinkage and other quality problems.
In terms of length specifications, EATHU can provide small connectors ranging from a few millimeters to large beams and shafts of more than ten meters. Small cast steel connectors play a key role in the internal structural assembly of all kinds of machinery and equipment, and their high-precision dimensions and good mechanical properties ensure the overall reliability of the equipment. Large beams and shafts are the core load-bearing parts of large-scale mechanical equipment and building structures, such as spindles of large ships and steel girders of bridges, etc., which require high strength, high toughness and good straightness, and the company is able to satisfy these stringent requirements through advanced casting technology and subsequent processing technology.
EATHU's advanced technology for cast steel parts
Optimized material formulation and melting process
EATHU's R&D team has thoroughly studied the alloying principle of cast steel materials, and precisely designed the chemical composition of cast steel according to different performance requirements and product application scenarios. By reasonably adding chromium, nickel, molybdenum, vanadium and other alloying elements, and adjusting the ratio of carbon content and other impurity elements, we can realize the precise control of cast steel parts in terms of strength, toughness, hardness, abrasion resistance, corrosion resistance and other properties. In the melting process, advanced melting equipments such as electric arc furnace and induction furnace are adopted, combined with refining technology to strictly control the temperature, composition uniformity and purity of the steel. Through vacuum refining, blowing argon stirring and other process means, the gas and inclusions in the liquid steel are effectively removed to improve the intrinsic quality of the cast steel parts and lay a good foundation for the subsequent casting process.
Exquisite casting molding technology
EATHU has mastered a variety of advanced casting technology to meet the production needs of different types and specifications of cast steel parts. In sand casting, the company has a set of perfect sand treatment system and molding process, which can prepare high quality sand mold. By controlling the performance of sand, precise design and manufacture of molding molds, and reasonable design of pouring system, we can ensure that the cast steel parts can obtain good molding quality in the sand casting process. For complex shapes and thin-walled cast steel parts, the investment casting (lost wax casting) process is used. The process consists of making precise wax molds, then coating them with layers of refractory material to make a shell, and finally dewaxing, roasting and pouring the cast steel liquid. Investment casting is capable of producing cast steel parts with extremely high dimensional accuracy, good surface finish and complex shapes, which are widely used in high-end fields such as aerospace and medical devices.