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Specifications Of Q235 Steel
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Specifications Of Q235 Steel

Specifications Of Q235 Steel

Q235 is a plain carbon structural steel that is used throughout China. It is also known as Q235A, Q235B, Q235C, and Q235D. Since it is mild steel, it is utilized in production without heat treatment. The Q designates the yield point, and the 235 indicates the yield strength. It has good plasticity and weldability.

Q235 steel characteristics

 

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Chemical composition

The main chemical elements of Q235 steel include:

Carbon (C)

Silicon (Si)

Manganese (Mn)

Phosphorus (P)

Sulfur (S)

Below is the chemical composition table of Q235 steel, providing a clearer understanding of the main elements:

Steel Grade Standard Steel Grade C % (≤) Si % (≤) Mn (≤) P (≤) S (≤)
Q235 Q235A 0.22 0.35 1.4 0.045 0.05
Q235B 0.2 0.35 1.4 0.045 0.045
Q235C 0.17 0.35 1.4 0.04 0.04
Q235D 0.17 0.35 1.4 0.035 0.035
Standard Steel Grade: A<B<C<D

Note that steel grade standards are typically classified in the order from A to D, with each grade having specific requirements for chemical composition and mechanical properties.

However, it is important to remember that the chemical composition of Q235 steel plate may vary depending on the standards and regulations of each country. Adhering to regulations and standards related to the chemical composition of steel is crucial to ensure the quality and consistency of the product.

Mechanical Properties

These mechanical properties include yield strength, tensile strength, and elongation, which are important factors in measuring the steel's ability to withstand forces and deformation. However, the specific values of these properties may vary depending on production conditions and specific regulations of each country.

Steel Grade Yield Strength Tensile Strength Elongation %
Q235 235 Mpa 370-500 Mpa 26
Test Sample: Steel Plate Q235, (Mpa=N/mm2)

 

 

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