42CrMo4( 1.7225）steel plate It belongs to alloy structural steel: executive standard: EN 10083 / 3-2006, American AISI standard 4140 steel improved variety, 42CrMo4 steel plate has good machinability, easy polishing, easy biting, electroplating.
The chemical composition of 42CrMo4 steel plate is analyzed according to EN 10083-3 standard. The metal is close to 1.7225 (42CrMo4) steel.
The chemical composition of 42CrMo4 steel plate
| Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
|
42CrMo4 |
0.40-0.55 |
≤0.4 |
0.6-0.9 |
≤0.02 |
≤0.2 |
0.9-1.2 |
0.15-0.3 |
- |
The addition of other elements to 42CrMo4 steel plate requires strict control of its content
| O |
H |
Ti |
Cu |
|
£ ≤25 ppm |
£ ≤2 ppm |
£ <100 ppm |
≤0.30 |
The 42CrMo4 steel plate characteristics and application: high strength and hardenability, good toughness, small deformation during quenching, high creep strength and endurance strength at high temperature. 42CrMo4 steel plate can be used to manufacture forgings with higher strength and larger quenching and tempering cross section than 35CrMo steel, such as large gear for locomotive traction, transmission gear of supercharger, rear axle, connecting rod and spring clamp with great load, as well as drill pipe joint and fishing tool for oil deep well below 2000m.
