EN10083 - 3 42CrMo4 alloy steel plate 1.7225 steel sheet is a common chromium-molybdenum steel that usually used after quenched and tempered, with high intensity, high hardenability. 42CrMo4 steel also has high strength, high toughness, good hardenability, temper brittleness, high fatigue limit, good impact resistance after quenching and tempering, and good low temperature impact toughness.
EN10083 - 3 42CrMo4 alloy steel plate 1.7225 steel sheet chemical composition:
| 42CrMo4/1.7225 |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
| 0.38-0.45 |
0.60-0.90 |
0.40 max |
0.035 max |
0.035 max |
0.90-1.20 |
0.15-0.30 |
EN10083 - 3 42CrMo4 alloy steel plate 1.7225 steel sheet mechanical properties at room temperature in the quenched and tempered condition (+QT):
| t = 8 mm |
8 mm < t = 20 mm |
| Re |
Rm |
A |
Z |
KV |
Re |
Rm |
A |
Z |
KV |
| min. |
min. |
min. |
min. |
min. |
min. |
min. |
min. |
min. |
min. |
| MPa |
MPa |
% |
% |
J |
MPa |
MPa |
% |
% |
J |
| 900 |
1100 to 1300 |
10 |
40 |
- |
750 |
1000 to 1200 |
11 |
45 |
35 |
| 20 mm < t = 60 mm |
60 mm < t = 100 mm |
| Re |
Rm |
A |
Z |
KV |
Re |
Rm |
A |
Z |
KV |
| MPa |
MPa |
% |
% |
J |
MPa |
MPa |
% |
% |
J |
| MPa |
MPa |
% |
% |
J |
% |
% |
J |
|
|
| 650 |
900 to 1100 |
12 |
50 |
35 |
550 |
800 to 950 |
13 |
50 |
35 |
| 100 mm < t = 160 mm |
|
|
|
|
|
| Re |
Rm |
A |
Z |
KV |
|
|
|
|
|
| MPa |
MPa |
% |
% |
J |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
| 500 |
750 to 900 |
14 |
55 |
35 |
|
|
|
|
|
Equivalent grades of 42CrMo4 alloy steel:
Warning! Only for reference
| EN10083-3 |
Material No. |
DIN |
ASTM A29 |
JIS G4105 |
BS 970-3-1991 |
BS 970-1955 |
AS 1444 |
AFNOR |
| 42CrMo4 |
1.7225 |
38HM |
4140 |
SCM440 |
708M40 |
EN19A |
4140 |
42CD4 |
EN10083 - 3 42CrMo4 alloy steel plate 1.7225 steel sheet application:
EN10083 - 3 42CrMo4 alloy steel plate 1.7225 steel sheet is widely used for engineering steel purpose, such as: making various kinds of machinery, automobile, mining spare part, the gearwheel of the engine, the driving gear of supercharger, the connecting rob, the pinchock under the high pressure, parts for power train applications, cold formed fastener components, shafts, gears, drill collars for the oil exploration, etc.
