Technical specifications of q235 steel
Products Description
Q235 steel has numerous essential qualities that make it widely used in a variety of applications. The following are the key qualities of Q235 steel:
Physical properties
The density of Q235 steel is around 7.85 g/cm³.
Q235 steel has a melting point of around 1420-1460°C.
Mechanical Properties
Tensile Strength: The tensile strength of Q235 steel normally ranges between 370 and 500 MPa.
Q235 steel's minimum yield strength is 235 MPa.
Elongation: The elongation at break for Q235 steel is usually approximately 26%.
Q235 chemical composition
According to China's national standard GB/T 700, Q235 steel has the following chemical composition (in mass percentages):
Carbon (C): <0.22%.
Silicon (Si): <0.35%.
Manganese (Mn): <1.40%.
Phosphorus (P): <0.035%.
Sulfur (S): <0.045%.
Product Details
Steel Plate Chemical Composition of Q235A,B,C,D
| Steel Grade | Quality 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 | |
| Quality Grade: A<B<C<D | ||||||
Steel Plate Mechanical Properties of Q235 A,B,C,D
| Grade | Yield Strength | Tensile Strength | Elongation % | |||
|---|---|---|---|---|---|---|
| Q235 Steel | 235 Mpa | 370-500 Mpa | 26 | |||
| Test Sample:16mm steel bar, (Mpa=N/mm2) | ||||||
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