Q235 steel characteristics
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Q235 steel is a common carbon structural steel, which is widely used in various industries and fields. Its chemical composition includes carbon, silicon, manganese, phosphorus and sulfur. Q235 steel has attracted much attention in the market due to its unique characteristics.
Chemical Composition of Q235 Steel
Please note that these values are for reference only, and the chemical composition of Q235 steel may vary according to different standards and specifications. This table provides typical ranges of main elements in Q235 steel in general.
| Element | C | Si | Mn | P | S |
|---|---|---|---|---|---|
| Content (%) | 0.12-0.20 | 0.30 | 0.30-0.70 | ≤0.045 | ≤0.050 |
The carbon content (C) in Q235 steel is usually between 0.12% and 0.20%, which makes it moderately hard and strong. The silicon content (Si) is usually 0.30%, which helps to improve the plasticity and weldability of Q235 steel. Manganese content (Mn) between 0.30% and 0.70% plays an important role in enhancing the strength and toughness of Q235 steel. The contents of phosphorus (P) and sulfur (S) are usually controlled at very low levels, ≤0.045% and ≤0.050%, respectively, to ensure good machinability and corrosion resistance of Q235 steel.
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