Steel 60S2G
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 | 60С2Г |
| Designation GOST Latin | 60C2G |
| Transliteration | 60S2G |
| The chemical elements | 60С2Mn |
Description
Steel 60S2G used: for the manufacture of automobile and tractor carriage springs, springs of rolling stock of railway transport.
Note
Steel spring alloy quality.
Standards
| Name | Code | Standards |
|---|---|---|
| Sectional and shaped rolling | В32 | GOST 14959-79, TU 14-1-5416-2001, TU 14-1-5342-97, TU 14-1-1585-75, TU 14-1-1979-77, TU 14-1-2118-77, TU 14-1-916-74, TU 14-11-245-88, TU 14-1-2600-79, TU 14-136-367-2008 |
| Steel wire medium- and high-carbon | В72 | GOST 26366-84 |
| Bulls. Blanks. Slabs | В31 | TU 14-1-993-74 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu |
|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-993-74 | 0.55-0.65 | ≤0.035 | ≤0.035 | 0.7-1 | ≤0.3 | 1.8-2.2 | ≤0.3 | The rest | ≤0.25 |
| GOST 14959-79 | 0.55-0.65 | ≤0.035 | ≤0.035 | 0.7-1 | ≤0.3 | 1.8-2.2 | ≤0.25 | The rest | ≤0.2 |
Fe is the basis.
According to GOST 14959-79, the total mass fraction of S + P ≤ 0.060%.
According to TU 14-1-993-74, the chemical composition is given for steel grade 60С2Г. The total mass fraction of S + P ≤ 0.060%. Permissible deviations from the norms for chemical composition: for manganese ± 0.030%, for silicon ± 0.050%.
According to GOST 14959-79, the total mass fraction of S + P ≤ 0.060%.
According to TU 14-1-993-74, the chemical composition is given for steel grade 60С2Г. The total mass fraction of S + P ≤ 0.060%. Permissible deviations from the norms for chemical composition: for manganese ± 0.030%, for silicon ± 0.050%.
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | y, % |
|---|---|---|---|---|
| Rolled steel according to GOST 14959-79. Steel categories: 3, 3A, 3B, 3C, 3D, 4, 4A, 4B. Quenching in oil from 870 °C to + Vacation at 470 °C | ||||
| ≥1325 | ≥1470 | ≥6 | ≥25 | |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
Technological properties
| Name | The value |
|---|---|
| Macrostructure and contamination | The macrostructure of the steel when checking on the etched transverse templeto should not have shrinkage looseness, blistering, delamination, cracks, inclusions and placenow. |
| Microstructure | Harvesting on the other 14-1-993-74 should be supplied with a grain size not larger than 5 rooms, allowed the presence of small quantities of grains the 3. Depth bezoperatsionnogo layer in the workpiece (ferrite + transition zone) must not exceed 1.5% per side. |
