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Q235 Equivalent Materials
The Q235 steel can be substituted with equivalent materials that include A36 USA ASTM, Q235 China GB/T, and SS400 Vietnam/Japanese JIS.
Characteristics of Q235
As the thickness of the material increases, Q235's yield value decreases. Due to its moderate carbon content, the performance is comprehensive and adequate. Q235 also matches well in strength, welding, and plasticity. Most often, it is rolled into a steel plate, rod, bar, or angle frame. It is most commonly used in the engineering and construction industries.
The Q235 steel material is in accordance with PRC standards. Carbon steel for special projects and purposes, like marine and bridge steel, typically uses carbon structural steel expression. However, the letter indicating intents and purposes is included at the end of steel grade.
While the Q235 grade steel plate has lower mechanical properties than the A36 materials, these materials can generally be substituted for one another, as long as there are no special requirements and needs involved. If only for the material's mechanical properties, it is generally acknowledged that Q235 and A36 are similar to those of high-quality carbon structural steel.
Uses of Q235
Not only does Q235 possess toughness, weldability, and excellent plasticity, it retains strength while offering outstanding cold-bending performance. It is perfect for welded structures, including factory buildings, steel bars, towers, boilers, bridges, containers, vehicles, and more. Q235 can also be used as mechanical parts, such as stands, stressed rods, nuts, connecting rods, brackets, and other components. Q235 and varying grades of steel plates can be cut to specification.
Q235 Physical Properties
| Physical Properties | Metric | US/Imperial |
| Density | 7.85 g/cc | 0.284 lb/in³ |
Q235 Mechanical Properties
| Mechanical Properties | Metric | US/Imperial |
| Tensile Strength, Ultimate | 400 – 550 MPa | – |
| Tensile Strength, Yield | 250 MPa | – |
| Elongation at Break | 20 % | 20 % |
| 23 % | 23 % | |
| Modulus of Elasticity | 200 GPa | 29000 ksi |
| Compressive Yield Strength | 152 MPa | 22000 psi |
| Bulk Modulus | 160 GPa | 23200 ksi |
| Poissons Ratio | 0.26 | 0.26 |
| Shear Modulus | 79.3 GPa | 11500 ksi |
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