The loader rocker arm is made of high strength alloy steel. High-strength alloy steel has good tensile strength and impact resistance, which can withstand high intensity impact and vibration in loader operation, ensuring the stability and safety of the loader.

The manufacturing process of loader rocker arm usually includes the following steps:

1. material selection: choose high strength alloy steel as the material of loader rocker arm to ensure that it has sufficient strength and durability.

2. Cutting and processing: According to the design requirements, the selected high-strength alloy steel plate is cut and processed to make the rocker arm parts.

3. Welding and assembling: Welding and assembling the cut parts to make sure the structure of the rocker arm is firm and stable.

4. Heat treatment: Heat treat the welded rocker arm to improve its hardness and strength, and increase its anti-wear performance.

5. Surface treatment: After heat treatment, the rocker arm is subjected to surface treatment, such as spraying anti-rust coating or galvanizing treatment, to prolong its service life.

Through the above manufacturing process, the loader rocker arm can be guaranteed to have sufficient strength and durability to withstand high intensity work in various operating environments, ensuring the normal operation and safety of the loader. At the same time, the loader rocker arm made of high-strength alloy steel material also has a lighter weight and good corrosion resistance, which prolongs its service life, reduces the maintenance cost, and improves the working efficiency and economy of the loader.