Q235 Steel Q235A Q235B Q235C Q235D Equivalent, Properties, Specification, Composition
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ファミリー: Structural Steel
性能評価
Performance Radar
| 特性 | Rating |
|---|---|
| Strength | 5 / 10 |
| Corrosion Res. | 3 / 10 |
| Lightweight | 5 / 10 |
| Machinability | 6 / 10 |
| Affordability | 9 / 10 |
| Heat Res. | 7 / 10 |
組成
機械的特性
| 硬度（ロックウェル） |
化学組成
| 元素 | 割合 (%) |
|---|---|
| C | 0.35 |
| P | 0.035 |
| S | Exceptionally Killed |
| Mn | 0.035 |
| Si | 1.40 |
| Quality Grade | 0.17 |
| Deoxidation Method | Rimmed / Killed |
| Grade (Steel Number) | S235J0 (1.0114); S235J2 (1.0117) |
購入先 Q235 Steel Q235A Q235B Q235C Q235D Equivalent, Properties, Specification, Composition
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説明
Q235 steel is a plain carbon structural steel which is widely used in China. Q235 material in Chinese standard GB/T 700 is divided into 4 quality grades: Q235A, Q235B, Q235C and Q235D; Density of this steel is 7.85 g/cm3 (0.284 lb/in3), tensile strength is 370-500 MPa (54-73 ksi); yield strength is 235 MPa (34 ksi) for steel bar diameter or plate thickness ≤ 16mm. Since it is mild steel, the material is commonly used directly without heat treatment. Q235 material has moderate strength, in the case of higher strength requirements, Q275 or high-strength low alloy structural steel Q355 (former Q345) can be selected. “Q” is the first letter of Chinese spelling of “Qufu dian”, which means Yield Point. “235” refers to the minimum yield strength 235 MPa tested with steel bar diameter or plate thickness ≤ 16mm.