The Advantages of D2 Shredder Blades

1. Exceptional Wear Resistance and Hardness

D2 steel is a high-carbon high-chromium tool steel, with a carbon content ranging between 1.4% - 1.6% and chromium content between 11.5% - 13%. After undergoing vacuum heat treatment, it can achieve a hardness of HRC 58 - 62. The high molybdenum and vanadium content (Mo 0.7% - 1.2%, V ≤ 1.0%) endows it with wear resistance that surpasses ordinary steel by more than three times. For instance, in the Shenyang subway project, the shield machine cutter head continuously excavated 1189 meters without forming mud cake, showcasing its outstanding durability.

2. Excellent Corrosion Resistance

With a chromium content of 12%, D2 steel possesses semi-stainless steel properties, enabling it to maintain stability in humid or corrosive environments. This makes it particularly suitable for processing viscous materials such as rubber and plastics, ensuring consistent performance even under challenging conditions.

3. Mature Manufacturing Process and Cost Advantage

In the annealed state, D2 steel has a hardness of ≤ 255HB. Its manual grinding process results in a 25% higher yield rate compared to other steels, while the per-unit processing cost reduces by 0.32 euros. Additionally, international certifications (DIN 1.2379 and ISO 160CrMoV12) further guarantee its reliability, making it a cost-effective choice for manufacturers.

4. Wide Range of Applications

D2 shredder blades are especially well-suited for single-shaft shredders when processing high-hardness materials like steel bars and scrap iron. The incorporation of a split-type blade box design and hydraulic adjustment device can significantly extend their service life. When compared to DC53 steel, D2 excels in wear resistance, though it may slightly lack in toughness.

5. High Impact Resistance and Toughness

The high carbon content in D2 steel, along with its alloying elements, provides it with good impact resistance and toughness. This means it can withstand sudden loads and impacts during the shredding process, reducing the risk of breakage or deformation. For example, when shredding large chunks of metal or dense materials, D2 blades can maintain their integrity and continue to perform effectively.

6. Good Heat Resistance

The alloying elements in D2 steel also contribute to its excellent heat resistance. It can maintain its hardness and strength at high temperatures, ensuring stable performance even during prolonged operation. This is particularly beneficial in applications where the shredding process generates significant heat, such as in the processing of hot materials or in high-speed shredding operations.

7. Versatility in Material Processing

D2 shredder blades are not limited to specific types of materials. They can effectively shred a wide variety of materials, including metals, plastics, rubber, wood, and even electronic waste. This versatility makes them a valuable asset in recycling facilities and waste management plants, where a diverse range of materials need to be processed.

8. Long Service Life

Due to their superior wear resistance, D2 shredder blades have a significantly longer service life compared to blades made from ordinary steel. This translates to fewer replacements and lower maintenance costs over time, making them a cost-effective investment for businesses.

9. Improved Shredding Efficiency

The sharpness and durability of D2 blades ensure efficient shredding of materials. They can quickly and effectively break down large pieces into smaller, manageable sizes, improving overall processing efficiency and productivity.

10. Reduced Energy Consumption

The high hardness and wear resistance of D2 blades result in lower friction during the shredding process. This, in turn, reduces the energy required to operate the shredder, leading to energy savings and lower operational costs.

In conclusion, D2 shredder blades offer a comprehensive array of advantages, including exceptional wear resistance and hardness, excellent corrosion resistance, a mature manufacturing process with cost benefits, wide applicability, high impact resistance and toughness, good heat resistance, versatility in material processing, long service life, improved shredding efficiency, and reduced energy consumption. These qualities make them a preferred choice for industries that rely on efficient and reliable material shredding solutions.