35G2
Woods, a half-pins, clutch levers, plugs, flanges, crankshafts, connecting rods, bolts, rings, housings, gears and other parts used in various branches of engineering, which are requirements of increased wear resistance.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Alloyed structural steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|
| GOST 4543-71 | 96.47–98.12 | 0.17–0.37 | 1.4–1.8 | < 0.3 | < 0.3 | < 0.3 | < 0.035 | 0.31–0.39 | < 0.035 |
Information on suppliers
Physical characteristics
| Temperature, °C | $$E\cdot 10^{9}$$, $$MPa$$ | $$\varkappa$$, $$\frac{W}{m\cdot K}$$ | $$\rho$$, $$\frac{kg}{m^3}$$ |
|---|---|---|---|
| 20 | 204 | 7790 | |
| 100 | 40 | ||
| 200 | 38 | ||
| 300 | 37 | ||
| 400 | 36 | ||
| 500 | 35 |
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$\epsilon_L$$, % | $$\psi$$, % | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | Treatment |
|---|---|---|---|---|---|---|---|---|---|---|
| Rod | GOST 4543-71 | 25 | 620 | 365 | 13 | 40 | Tempering 870 ° C, oil, leave 650 ° C, air | |||
| Forgings | 100–300 | 530 | 275 | 17 | 38 | 340 | Normalization |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Alloy | GOST 4543-71 | annealing | 207 |
Technological Properties
| Flake Susceptibility | Propensity to temper brittleness |
|---|---|
| sensitive | inclined |
Critical point temperatures
| Ac1, K | Ac3(Acm), K | Ar3(Arcm), K | Ar1, K | Mn, K |
|---|---|---|---|---|
| 718 | 804 | 727 | 677 | 340 |
Analogues
| USA | Germany |
|---|---|
| Gr.1340H | 1.1167 (36Mn5) |
Standards
| Standard | Description |
|---|---|
| GOST 4543-71 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of physical characteristics
| Parameter | Units of measurement | Description |
|---|---|---|
| $$E\cdot 10^{9}$$ | $$MPa$$ | Elastic modulus |
| $$\varkappa$$ | $$\frac{W}{m\cdot K}$$ | Coefficient of thermal conductivity (the heat capacity of the material) |
| $$\rho$$ | $$\frac{kg}{m^3}$$ | The density of the material |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\sigma_{P}$$ | $$MPa$$ | Proportionality limit |
| $$\epsilon_L$$ | % | Elongation at break (longitudinal) |
| $$\psi$$ | % | Reduction in cross section on fracture |
| $$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |
Description of temperatures of critical points
| Parameter | Units of measurement | Description |
|---|---|---|
| Ac1 | K | |
| Ac3(Acm) | K | |
| Ar3(Arcm) | K | |
| Ar1 | K | |
| Mn | K |