A36 grade structural steel technical datasheet

1. Chemical composition of A36 grade structural steel:
-Carbon content: 0.25% maximum
-Manganese content: 1.03%
-Phosphorus content: 0.04% maximum
-Sulfur content: 0.05% maximum
-Silicon content: 0.40%

2. Mechanical performance of A36 steel:
-Tensile strength: 400-550 MPa
-Yield strength: 250 MPa minimum
-Elongation rate: 20% minimum
-Impact toughness: 27 J minimum
-Hardness: Brinell Hardness 119-162 HB

3. Heat treatment characteristics of A36 grade steel:
-Annealing: Cooling within the temperature range of 850℃ to 900℃ helps to reduce residual stress and improve processing performance.
-Normalization: Normalization treatment can improve the hardness and strength of A36 structural steel, making it suitable for applications that require higher strength.

4. Welding performance of A36 grade structural steel:
-Welding method: Suitable for common welding methods such as arc welding and gas shielded welding.
-Welding performance: It has good weldability and is easy to achieve high-quality weld connections.

5. Application areas of A36 structural steel:
-Building structure: used to manufacture various building structures such as bridges and buildings.
-Manufacturing industry: A36 steel is widely used in various manufacturing fields such as mechanical manufacturing and shipbuilding.
-Rail transit: used for rail transit facilities such as rail vehicles and railway bridges.
-Oil and gas industry: used for manufacturing various oil and gas equipment such as pipelines and storage tanks.
-Automotive manufacturing: A36 carbon steel is suitable for the manufacturing of automotive components, such as frames, bodies, etc.

In summary, A36 grade structural steel has excellent physical and chemical properties, is suitable for various engineering applications, and is an economical and practical structural material.