42CrMo steel plate belongs to ultra-high strength steel, which has high strength and toughness, good hardenability, no obvious tempering brittleness, high fatigue limit and multiple impact resistance ability after tempering and tempering treatment, and good impact toughness at low temperature.
The 42CrMo steel plate is suitable for large and medium size plastic molds which require certain strength and toughness.
The chemical composition of 42CrMo steel plate
| Grade |
C |
Si |
Mn |
S |
P |
Cr |
Ni |
Cu |
Mo |
|
42CrMo |
0.38-0.45 |
0.17-0.37 |
0.5-0.8 |
≤0.035 |
≤0.035 |
0.9-1.2 |
≤0.03 |
≤0.03 |
0.15-0.25 |
42CrMo steel plate is generally used to manufacture important parts with higher strength requirements and larger cross-section size than 42CrMo steel plate, such as shafts, gears, connecting rods, transmission gears, turbocharger gears, engine cylinders, springs, spring clamps, 1200-2000mm oil drill pipe joints, fishing tools and instead of quenched and tempered steel with higher nickel content.
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