42CrMo Steel Equivalent, Chemical Composition, Mechanical Properties
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ファミリー: Alloy 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 | 0.38 to 0.45 |
| P | ≤ 0.030 |
| S | ≤ 0.030 |
| Cr | 0.90 to 1.20 |
| Mn | 0.50 to 0.80 |
| Mo | 0.15 to 0.25 |
| Si | 0.17 to 0.37 |
| Grade (Steel number) | 42CrMo4 (1.7225) |
購入先 42CrMo Steel Equivalent, Chemical Composition, Mechanical Properties
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説明
42CrMo steel is a Chinese alloy steel, and has high strength and toughness, good hardenability, and no obvious temper brittleness. After quenching and tempering treatment, it has high fatigue limit and resistance to multiple impacts, and good low temperature impact toughness. 42CrMo alloy steel generally used for engineering steel purpose, and for making important parts requiring higher strength and larger size of the quenched section than 35CrMo steel, such as shafts, crankshafts, large gears for locomotive traction, supercharger gears, gearbox gears, engine cylinders, oil drill pipe joints, large load rods and spring clips. 42CrMo steel equivalent to US AISI ASTM, European EN (Germany DIN EN, UK BSI EN, France NF EN, Japan JIS, and ISO standard.