Steel 55ХФА (55ХФ)
70G steel
Steel 60S2HFA
Steel 60KhFA (60KhF)
Steel 65
Steel 65G (65G1)
Steel 65GA
Steel 65S2VA
Steel 68A
Steel 68GA
Steel 70
Steel 60S2HG
Steel 70G2
Steel 70S2HA (EI142)
Steel 70C3A
70KhGFA steel
Steel 75
Steel 80
Steel 85
KT-2 steel
KT-3 steel
Steel 55S2A
Steel 3K-7
Steel 40P
Steel 50RA (50P)
50KhG steel
50KhGA steel
50KhGFA steel
Steel 50KhFA (50KhF)
51KhFA steel
Steel 55C2
Steel 60С2Х (60С2ХА; 60С2ХАA)
Steel 55S2GF
Steel 55KhGR
Steel 55KhFA (55KhF)
60G steel
Steel 60C2
Steel 60S2A
Steel 60S2G
Steel 60C2H2A
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 55ХФА |
| Designation GOST Latin | 55XFA |
| Transliteration | 55HFA |
| The chemical elements | 55CrV |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 55ХФ |
| Designation GOST Latin | 55XF |
| Transliteration | 55HF |
| The chemical elements | 55CrV |
Description
55ХФА steel is used: for the manufacture of heavy-duty parts with high fatigue strength; springs operating at temperatures to +200 °C; the tool.
Note
Steel spring, chrome vanadium high quality instrumental belongs to the group of presintering steels.
Standards
| Name | Code | Standards |
|---|---|---|
| Bulls. Blanks. Slabs | В31 | TU 14-1-1842-76 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | V |
|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-1842-76 | 0.5-0.6 | ≤0.025 | ≤0.025 | 0.5-0.8 | 0.8-1.1 | 0.17-0.37 | ≤0.3 | The rest | 0.1-0.2 |
Fe is the basis.
According to TU 14-1-1842-76, the chemical composition is given for 55ХФА steel. The permissible deviations in chemical composition are in accordance with GOST 14959.
According to TU 14-1-1842-76, the chemical composition is given for 55ХФА steel. The permissible deviations in chemical composition are in accordance with GOST 14959.
Technological properties
| Name | The value |
|---|---|
| Macrostructure and contamination | The macrostructure of the square billets on the other 14-1-1842-76 in fractures treated or templete should not have shrinkage, porosity, bubbles, delaminations, cracks, inclusions and placenow. |
| Features of production | Billets, on the other 14-1-1842-76 supplied in the annealed condition. |
