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Kunjie Machinery

Cangzhou Kunjie Machinery Equipment Co., Ltd. mainly deals in road piers, counterweight iron, cast iron plates and three-dimensional products

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Material and Performance of Cast Iron Platform

2025-12-24

Cast iron platforms are usually made of high-strength cast iron materials such as HT200-300 or QT400-600, with a working face hardness of HB170-240, ensuring load-bearing capacity and wear resistance. Some high-end products will add tin elements (0.02% -0.04%) to enhance wear resistance.

Material:
Cast iron platforms are usually made of high-strength cast iron materials such as HT200-300 or QT400-600, with a working face hardness of HB170-240, ensuring load-bearing capacity and wear resistance. Some high-end products will add tin elements (0.02% -0.04%) to enhance wear resistance.
Heat treatment process:
After artificial annealing at 600-700 ℃ and natural aging treatment for 2-3 years, internal stress is eliminated to ensure stable accuracy and reduce deformation risks.
Structural form:
Box type: The overall structure is stable and suitable for large platforms.
Reinforced plate: By strengthening the ribs to enhance rigidity, reduce weight, and facilitate transportation.
Shape: including rectangles, squares, circles, etc., to meet the needs of different scenarios.

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Manufacturing process of cast iron platform

Use and maintenance of cast iron flat plates

Manufacturing process of cast iron platform

Use and maintenance of cast iron flat plates

Application scenarios of cast iron counterweights

Construction machinery: Pile drivers, cranes, forklifts and other equipment are equipped with cast iron counterweights to enhance stability, and some models can be customized with 5-40 ton counterweights. For example, the irregular cast iron counterweight developed by a certain port crane enterprise has significantly improved the flexibility of equipment installation by optimizing its internal structure and reducing space occupancy by 20% while maintaining the same weight.