45# steel is widely used in the following fields:

45# steel is widely used in the following fields:

Machinery manufacturing: 45# steel is often used in the manufacture of mechanical parts, such as shafts, gears, pins, bolts, nuts, etc. Its high strength and hardness enable these parts to withstand large forces and pressures and have good wear and corrosion resistance.
Automobile manufacturing: 45# steel is also widely used in automobile manufacturing. It is often used in the manufacture of key components such as drive shafts, crankshafts, camshafts, and gears of automobiles, which can meet the requirements of strength and wear resistance during the operation of automobiles.

Construction engineering: 45# steel can be used to manufacture connectors and supports in construction engineering, such as bolts, nuts, steel bars, etc. Its high strength and hardness can provide good connection and support effects, ensuring the structural stability and safety of buildings.
Shipbuilding: 45# steel is also used in shipbuilding. It is often used in the manufacture of ship hull structures and marine equipment, such as hull frames, hull connectors, and marine anchor chains. Its high strength and corrosion resistance can meet the requirements of ships in harsh marine environments. All in all, the application field of 45# steel covers many fields such as machinery manufacturing, automobile manufacturing, construction engineering, shipbuilding, etc. Its high strength and hardness make it an important material in many projects.