Steel 27Х2Н2М1Ф
Steel 27Х2Н2М1Ф
Steel 27Cr2N2M1F: steel and alloys classifier. Below is systematized information on the purpose, chemical composition, types of supply, substitutes, critical point temperatures, physical, mechanical, technological and foundry properties for the grade — Steel 27Cr2N2M1 °F.
General information on 27Cr2N2M1 °F Steel
| Application |
| Important parts of press tools with high strength properties and high plasticity after normalization and tempering: bushings of containers, rings, press-pins, needles and other parts operating at the temperatures up to 500 °C. |
Chemical composition of steel 27Х2Н2М1Ф
| Chemical element |
% |
| Vanadium (V) |
0.20−0.30 |
| 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) |
0.25−0.30 |
| Phosphorus (P), not more than |
0.030 |
| Chromium (Cr) |
2.00−2.50 |
Mechanical properties of 27Cr2Ni2M1 °F steel
Mechanical properties depending on test temperature
| t test,°C |
σ0, 2, MPa |
σB, MPa |
δ5, % |
HB |
| Forgings up to 700 mm cross section. Normalization 950−960°C, air. Two-step tempering 540−570°C, cooling with furnace (tangential samples) |
| 20 |
1200 |
1300 |
9 |
363−444 |
| 450 |
900 |
1000 |
10 |
|
| 500 |
850 |
950 |
10 |
|
Technological properties of steel 27Х2Н2М1Ф
| Forging temperature |
| Beginning 1200, end 900. |
| Weldability |
| hardly weldable. |
| Tendency to tempering ability |
| Slightly inclined |
| Flockensitive |
| low sensitivity |
Hardenability of steel 27Х2Н2М1Ф
Hardening, water
| Face distance, mm / HRCe |
| 80 |
200 |
| 44−47 |
38 |
| Heat treatment |
Critical hardness, HRCe |
Distance from the end to be cooled |
| Hardening, water. |
44−47 |
80 |
| |
38 |
200 |
