3X2H2MVF steel
3Х2Н2МВФ steel
3X2H2MVF steel: a classifier of steels and alloys. Below is systematized information on the purpose, chemical composition, types of supply, substitutes, critical point temperature, physical, mechanical, technological and foundry properties for the grade — Steel 3Cr2N2MVF.
General information about 3X2H2MVF steel
| Application |
| Important parts of press tools with high strength properties and satisfactory plasticity after normalization and tempering: press studs, needles and other parts operating at elevated temperatures up to 500 °C. |
Chemical composition of 3X2H2MVF steel
| Chemical element |
% |
| Vanadium (V) |
0.20−0.30 |
| Tungsten (W) |
0.80−1.20 |
| Silicon (Si) |
0.17−0.37 |
| Manganese (Mn) |
0.50−0.80 |
| Molybdenum (Mo) |
0.80−1.00 |
| Nickel (Ni) |
1.40−1.80 |
| Sulfur (S), max. |
0.030 |
| Carbon (C) |
0.32−0.38 |
| Phosphorus (P), not more than |
0.030 |
| Chrome (Cr) |
2.00−2.50 |
Mechanical properties of 3Cr2Ni2MoVF steel
Mechanical properties depending on test temperature
| t test temperature,°C |
σ0, 2, MPa |
σB, MPa |
δ5, % |
HB |
| Forgings up to 700 mm cross section. Normalization 950−960°C, air. Two-step tempering 550−580°C, cooling with furnace (tangential samples) |
| 20 |
1300 |
1400 |
7 |
388−444 |
| 450 |
1000 |
1100 |
8 |
|
| 500 |
950 |
1050 |
8 |
|
Technological properties of steel 3Х2Н2МВФ
| Forging temperature |
| Beginning 1200, end 900. |
| Weldability |
| hardly weldable. |
| Tendency to tempering ability |
| Slightly inclined |
| Flockensitive |
| low sensitivity |
Hardenability of steel 3Х2Н2МВФ
Hardening, water
| Face distance, mm / HRCe |
| 60 |
200 |
| 51,5 |
43,5 |
| Heat treatment |
Critical hardness, HRCe |
Spacing from the end to be cooled |
| Hardening, water |
51,5 |
60 |
| |
43,5 |
200 |
