Q690D is widely used in various engineering machinery fields due to its excellent mechanical properties and processing performance. The following are the main applications of Q690D in the field of construction machinery:
1. Crane machinery: Q690D is used in the manufacture of various cranes, tower cranes, harbor cranes and other equipment, the main structural components and parts, such as lifting arms, frames, legs and so on. Its high strength and excellent welding performance ensure the safety and reliability of lifting machinery.
2. Excavator: Q690D is used to manufacture the main structural parts of excavators, such as crawler plates, excavation buckets, moving arms, etc. Its high strength and good toughness ensure the safety and reliability of the equipment. Its high strength and good toughness can withstand high loads and impacts in the excavation process, improving the service life and working efficiency of excavators.
3. Loader: Q690D is used in the manufacture of loader frame, bucket, arm and other components. Its excellent welding performance and processing performance make the structure of loader more compact and lightweight, and improve the loading efficiency.
4. Concrete machinery: Q690D is used to manufacture the supporting structural parts and mixing blades of concrete mixing plant, concrete pump truck and other equipment. Its high strength and good toughness can withstand the impact and abrasion of concrete on the equipment and extend the service life of the equipment.
5. Other machinery: Q690D is also widely used in the field of construction machinery such as bulldozers, road rollers, graders, etc., as the main material for various structural parts and components.
