What's the 42CrMo4 Steel , EN1.7225 Alloy Steel specification,42CrMo4 Steel , EN1.7225 Alloy Steel chemistry, 42CrMo4 Steel , EN1.7225 Alloy Steel equivalent, 42CrMo4 Steel , EN1.7225 Alloy Steel Mechanical Properties? 42CrMo4 Steel , EN1.7225 Alloy Steel manufacturer in China.
42CrMo4 Steel , EN1.7225 Alloy Steel Similar designations , Any enquiry us email us : service@okpipes.com
AISI 4140, 42CD4(AFNOR), 708M40(B.S.), SS 2244, SS142244, SAE 4140H, ASTM A193 B7, 41Cr4,
42CrMoS4
42CrMo4 Steel , EN1.7225 Alloy Steel Chemical composition
| Variant |
Cast |
Weldability |
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
| 326C |
IC |
Cev0.9max |
Min |
0.38 |
0.20 |
0.80 |
--- |
0.005 |
0.90 |
--- |
0.15 |
| PCm0.58Max |
Max |
0.43 |
0.30 |
1.00 |
0.014 |
0.010 |
1.10 |
0.20 |
0.25 |
42CrMo4 Steel , EN1.7225 Alloy Steel Mechanical Properties
| Variant |
Condition |
Format |
Dimension (mm) |
Yield strength min
[MPa]
|
Tensile strength
[MPa]
|
Elongation A
[%]
|
Reduction of area
Z [%
|
Hardness |
|
326C
|
+A |
Round Bar |
25＜180 |
--- |
--- |
---- |
*** |
200 HB typical |
| +QT |
Round Bar |
25＜180 |
600 |
700-1050 |
17 |
65 |
230-330 HB |
42CrMo4 Steel , EN1.7225 Alloy Steel Heat treatment recommendations
| Treatment |
Condition |
Temperature cycle |
Cooling/quenching |
| Hot forging |
+U |
850-1050 ℃ |
In air |
| Soft annealing |
+A |
680-720°C |
Slowly ( 15°C/h) until 600°C |
| Stress relieve annealing |
+SRA |
450-650°C |
In air |
| Quench & Tempering |
+QT |
840-880°C |
In oil or water. Temper in 540-680°C |
| Stress relieve annealing |
+SRA |
150-180°C ( after Induction Hardening ) |
In air |
42CrMo4 Steel , EN1.7225 Alloy Steel Hardenability Other properties (typical values
| Youngs module (GPa) |
Poisson´s ratio (-) |
Shear module (GPa) |
Density (kg/m3) |
| 210 |
0.3 |
80 |
7800 |
|
Average CTE 20-300°C
(μm/m°K)
|
Specific heat
capacity 50/100°C (J/kg°K)
|
Thermal conductivity Ambient
temperature (W/m°K)
|
Electrical resistivityAmbient
temperature (μΩm)
|
| 12 |
460-480 |
40-45 |
0.2-025 |
Product Tags:
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42CrMo4 Hardness Steel Hot Finished Seamless Tube EN1.7225 Alloy 1.7725 Steel Images
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