AS12HN
Lead-alloyed steel.
In the automotive industry — leverage gear, pawls crankshaft flanges oil pump, thrust nut, clutch.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Structural steel | Improved machinability structural steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Cu, % | Ni, % | Pb, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|---|---|
| GOST 1414-75 | 96.71–98.39 | 0.17–0.37 | 0.3–0.6 | 0.4–0.7 | < 0.3 | 0.5–0.8 | 0.15–0.3 | < 0.035 | 0.09–0.15 | < 0.035 |
Information on suppliers
Physical characteristics
| Temperature, °C | $$\rho$$, $$\frac{kg}{m^3}$$ |
|---|---|
| 20 | 7860 |
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\sigma_{P}$$, $$MPa$$ | $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ | d5, % | Treatment |
|---|---|---|---|---|---|---|---|---|---|
| Workpiece | GOST 1414-75 | < 100 | 650 | 450 | 900 | 10 | Tempering 900-920 ° C, oil, Holidays 150-180 ° C, air |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Alloy | GOST 1414-75 | cold-work | 269 |
Standards
| Standard | Description |
|---|---|
| GOST 1414-75 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| Pb | % | Lead |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
Description of physical characteristics
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\rho$$ | $$\frac{kg}{m^3}$$ | The density of the material |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| d5 | % | Elongation at break |
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\sigma_{P}$$ | $$MPa$$ | Proportionality limit |
| $$KCU\cdot 10^{3}$$ | $$\frac{J}{m^2}$$ | Impact toughness |