Engineered for extreme duty, DCC Cast Chains deliver superior tensile strength and wear resistance to overcome heavy-load and high-abrasion challenges. Rigorously tested to international standards, our chains ensure reliable performance in the most demanding environments. Custom solutions available to maximize your operational uptime and durability.
Our cast chains are manufactured from high-grade alloy steel or carbon steel using forging technology, boasting excellent tensile strength and impact resistance. This fundamentally ensures the reliability of heavy-duty industrial chains under heavy loads.
The forging process refines the grain structure of the chain to be denser, effectively reducing internal defects. This significantly enhances the overall strength and durability of high-strength chains, extending their service life in harsh operating conditions.
As the basic unit of cast chains, each chain link is produced through integral casting, guaranteeing structural strength and consistency. To meet heavy-duty conveying requirements, reinforcing rib structures can be designed on the inner and outer sides of the links—specifically to improve the tensile strength and deformation resistance of industrial chains.
The surface of cast steel chains undergoes heat treatments such as quenching and tempering, or special coating processes. This endows the product with excellent wear resistance, making it fully capable of withstanding high-wear harsh industrial environments.
Automated welding robots are used to weld bushings to the side plates, ensuring the stability and uniformity of each weld joint. This safeguards the consistency of batch quality for custom chain products.
| Chain No. | Pitch P (mm) | Diameter of roller d1 (max) (mm) | Inner width of inner link b1 (min) (mm) | Outer width of outer link b2 (min) (mm) | Other dimensions | Height of chain H (mm) | Diameter of pin d2 (mm) | Length of pin L (mm) | Tensile strength Q (min) (KN) | Weight per meter q (kg/m) | |||
| h4 (mm) | d4 (mm) | e (mm) | f (mm) | ||||||||||
| 200 | 80 | 42 | 92 | 81.5 | 17 | 50 | 56 | 119 | 38.5 | 110.5 | 200 | 41.3 | |
| 304.8 | 101.6 | 54 | 127 | 76.2 | 17.5 | 108 | 82.6 | 127 | 44.5 | 146 | 880 | 48.8 | |
Under the same harsh operating conditions, the designed service life of DCC cast chains is significantly longer than that of ordinary brands. This is attributed to the synergistic effect of automated welding, high-frequency heat treatment, and anti-corrosion surface treatment. Particularly suitable for high-wear scenarios such as mining and metallurgy, DCC cast chains significantly reduce your total cost of ownership (TCO) and downtime.
Specifically designed for complex industrial systems, DCC cast chains offer wide-range speed adaptability, from low-speed heavy-load operations to high-speed stable operations. They ensure smooth operation in various conveying and transmission equipment, preventing abnormal failure caused by speed mismatch and safeguarding system efficiency.
DCC cast chains feature all-weather operation capability within the temperature range of -40°C to +300°C. They maintain excellent toughness in low-temperature environments to avoid brittle fracture, and retain high strength in high-temperature working conditions (such as sintering lines in steel plants and kiln heads in cement plants), ensuring safe and reliable performance.
Through special coating and surface treatment processes, DCC cast chains exhibit significantly enhanced corrosion resistance in acidic-alkaline environments and high-humidity working conditions. They are the ideal choice for highly corrosive environments such as chemical industry, wastewater treatment, and offshore platforms.
The core friction components of DCC cast chains undergo high-frequency quenching, ensuring reliable surface hardness. During long-term operation, they feature a low annual wear rate, effectively maintaining the chain's initial designed tension and pitch, and extending the maintenance cycle of the entire transmission system.
With precise structural design and manufacturing processes, the operating noise of DCC cast chains is controlled below the industry average level. This not only improves the workers' operating environment but also serves as a direct testament to the chain's high quality, high fit, and stable operation.
Advantages of DCC Cast Chains
Outstanding Strength and Durability: As a specialist in heavy-duty industrial cast chains, DCC adopts high-strength welded structures and high-frequency heat treatment processes. This significantly enhances the tensile strength of our cast steel chains, enabling them to withstand extreme impact loads and completely eliminate the risk of unexpected breakage in heavy-load applications.
Fully Automatic Quality Consistency: Our cast chains rely on fully automatic robotic welding technology, which ensures the matching degree between weld strength and base metal exceeds 95%. This guarantees consistent performance across every batch of high-strength chains and prevents entire production line shutdowns caused by defects in individual components.
Ultra-Long Service Life: Through professional heat treatment and anti-corrosion processes, the average service life of DCC cast chains in harsh working conditions far surpasses that of ordinary products, significantly reducing your total cost of ownership (TCO).
DCC heavy-duty cast chains are specifically designed for underground conveyors and hoists. Their outstanding wear resistance enables them to withstand continuous impacts and high levels of abrasion, serving as a reliable power transmission core for mining equipment.
Our high-temperature resistant cast chains can withstand harsh environments with temperatures up to 300°C. They are widely used in equipment such as sintering furnaces and continuous casting machines, delivering stable and reliable performance.
Tailored for the strong corrosion conditions of offshore platforms and chemical plants, DCC corrosion-resistant cast chains undergo special surface treatment processes to provide excellent corrosion resistance, ensuring the safe connection of critical equipment.
DCC high-strength cast chains serve as the power core for port cranes and large crawler cranes. Their high-toughness design guarantees safety and reliability in heavy-duty lifting operations.
Maintenance Information of DCC Cast Chains
Lubrication Requirements
Although our cast chain has good self-lubrication during operation,we recommend regular lubrication to further extend its lifespan. (It is suggested to check every 500 hours.)
Maintenance Cycle
Our chain design is simple and has a longer maintenance cycle, reducing the frequency of replacements and repairs compared to traditional chains (ensure maintenance effectiveness by using appropriate tools and lubricants).
Certification and Standards of DCC Cast Chains
The company has obtained multiple international quality certifications,including ISO 9001 and CE certification.Each batch of products undergoes rigorous quality control and testing to ensure compliance with industry standards and provide reliable quality assurance to customers.
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Why choose us?
Excellent Quality Assurance System
Our company has successfully obtained API and ISO 9001 certifications, ensuring that all products meet international standards.
Efficient Service and Superior Cost-effectiveness
DONGCHUAN chains establish extensive collaboration with Changzhou University,for Digital Design and Production Engineering of Chain Transmission.we have significantly improved production efficiency and effectively reduced production costs.
International Service and Global Customer Support
In the course of more than 10 years of operation,we have provided consistent quality and cost-effective products to more than 40 countries and regions around the world, and won a wide range of trust and praise
Innovation and Continuous Improvement
Committed to technological innovation and continuous improvement, we consistently stay at the forefront of industry technology development.
After-sales Service
We focus not only on short-term cooperation but also on establishing long-term,stable partnerships with our clients.Our products come with a warranty period of up to 24 months.
