The blade of shredder is divided into single-axis shredder blade and multi-axis shredder blade. It is an important part of shredder. It is mainly used to tear solid waste from different industries, such as metal, rubber, domestic waste, plastics, electronic waste and industrial waste. It is mainly made of H12,40r5MoSiV1 (H13), 7Cr7Mo3V2Si (LD), D2 (Cr12Molv1) and other high-quality wear-resistant alloy tools. Its characteristics are wear resistance, impact resistance, crack resistance and high precision.