Carbon steel round bar

Round steel belongs to carbon structural steel for construction and machinery, while square steel belongs to carbon structural steel for machinery. Both of them are simple section steel, and their section shapes are respectively round and square. Low carbon is mainly used for drawing wire, forging rivets, bolts, nuts and other metal products of raw materials.
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4140 Carbon steel round bar

4140 round steel is a high-quality, high-strength steel with excellent mechanical properties and wear resistance. It is composed of alloying elements such as chromium, molybdenum and manganese, which through proper heat treatment process can achieve excellent strength and hardness.
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S235JR Carbon steel round bar

Round steel has relatively high strength, high hardenability and very good toughness, so its pressure bearing capacity is also guaranteed.
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Q235 Carbon steel round bar

It is widely used in construction and engineering structures. Used to make steel bars or build factory building frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
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A53 Carbon steel round bar

A53 is a steel grade produced according to American ASTM standards, which belongs to American standard. A53 Carbon steel round bar manufacturing requires parts with low stress and high toughness, such as car body, container, deep stamping vessels, pipes, gaskets, etc., which can be used for cold rolling, cold punching, cold heading, cold bending, hot rolling and other processes,
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