Q235 Carbon Steel Pipe ASTM A36

Q235 Carbon Steel Pipe refers to a type of steel pipe made from Q235 grade carbon steel, which is governed by the Chinese standard GB/T 700. This grade of steel is commonly used in construction and manufacturing due to its moderate strength and good formability.

Ingredients:

Carbon Steel: The primary material in Q235 Carbon Steel Pipe contains approximately 0.14-0.22% carbon content, along with small amounts of manganese, silicon, sulfur, and phosphorus. The composition allows for a balance between strength and ductility.

- Carbon: Increases hardness and strength but can reduce ductility when present in higher quantities.

- Manganese: Enhances tensile strength and hardness while improving wear resistance.

- Silicon: Improves strength and also acts as a deoxidizer during steel production.

- Sulfur and Phosphorus: Are considered impurities that can negatively affect toughness and weldability; their content is limited in Q235 to maintain acceptable mechanical properties.

Uses:

- Structural Applications: Q235 pipes are widely used in structural projects such as bridges, buildings, and other heavy-duty structures where medium load-bearing capacity is required.

- Piping Systems: They're suitable for water supply lines, drainage systems, and low-pressure gas pipelines, particularly in non-critical applications.

- Mechanical Parts: Components for machinery and equipment that do not demand high-strength or high-temperature resistance can be fabricated using Q235 pipes.

- Welded Structures: Due to its adequate welding performance, Q235 steel pipes are often employed in welded frames and supports.

In summary, Q235 Carbon Steel Pipes offer a practical and economical solution for a variety of applications where a balance between strength, formability, and cost-effectiveness is crucial. They are prevalent in the construction industry, general fabrication, and piping systems with lower stress requirements.

Chemical Composition

Physical Properties