Costa-Rica BasicDuctile lron Manhole Cover/D400 ClassDuctile lron Cover/Square-Frame Round-HoleReinforced Cover

Model

EN124-C250

Specification

850×622×100

Product Advantages

High strength and high toughness:Ductile iron undergoes a unique spheroidization treatment process, transforming the graphite form from flake to spherical, significantly improving the material's tensile strength, yield strength, and elongation. Its performance is close to or even exceeds that of certain carbon steels, allowing it to withstand considerable pressure and impact loads.

Excellent corrosion resistance:The alloying elements (such as chromium, nickel, molybdenum, etc.) added to ductile iron effectively enhance the material's corrosion resistance, allowing it to be used for long periods in various harsh environments without damage. The surface can also undergo anti-corrosion treatment to further enhance its corrosion resistance.

Good machinability:Ductile iron not only has excellent mechanical properties but also maintains good machinability, making it easy to cut, drill, weld, and perform other subsequent processing, meeting the needs of different application scenarios.

Economical and environmentally friendly:Compared to steel, ductile iron, with its excellent corrosion resistance, also reduces energy consumption and maintenance costs during operation, aligning with the current trend of green and low-carbon development.

Production Process

Our company adopts the ductile iron production process to ensure stable and reliable product quality. The specific process flow is as follows:

Raw Material Preparation:Select high-quality pig iron, scrap steel, and other raw materials, and equip with rare earth magnesium alloys and other spheroidizing agents and inoculants.

Melting and spheroidization treatment:At high temperatures, the raw materials are melted into molten iron, and spheroidizing agents are added for chemical reactions, transforming the graphite form from flake to spherical. The chemical composition and temperature of the molten iron are strictly controlled to ensure spheroidization effectiveness.

Inoculation treatment:Inoculants are added to the molten iron to further refine the matrix structure, enhancing the strength and toughness of the cast iron.

Pouring and forming:The treated molten iron is poured into pre-prepared molds, forming the required castings through cooling and solidification.

Post-processing and quality control:The castings undergo cleaning, heat treatment, polishing, machining inspection, and other post-processing steps to ensure product quality meets standard requirements. Strict quality control measures are implemented, monitoring the entire process from raw material selection to finished product delivery.

OEM Customization Service

Our company provides professional OEM customization services, capable of producing various specifications of ductile iron products according to customers' specific needs and design drawings. Our customization services cover but are not limited to the following aspects:

Product design and development:Product design and development based on customer needs, providing personalized solutions.

Material selection and proportioning:Selecting suitable weights based on customer application scenarios to ensure product performance meets requirements.

Production process optimization:Optimizing the production process flow based on customer order quantities and delivery requirements to improve production efficiency and product quality.

Quality control and testing:Strict quality control and testing of customized products to ensure stable and reliable product performance.