What is 45# steel plate?

45# steel plate is a high-quality carbon structural steel plate with a carbon content ranging from approximately 0.42% to 0.50%. This type of steel plate possesses high strength and good toughness, and after appropriate heat treatment, it can achieve certain plasticity, wear resistance, and machinability. 45# steel plate is widely used in machinery manufacturing, construction, automotive, and other fields for manufacturing parts that need to withstand significant loads and impacts. Its good processing performance and relatively low price also provide significant cost advantages in large-scale production.

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