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