AS40H

Lead-alloyed steel.

For the manufacture of automotive parts.

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 96.22–97.92 0.17–0.37 0.6–0.9 0.8–1.1 < 0.3 < 0.3 0.15–0.3 < 0.035 0.36–0.44 < 0.035

Information on suppliers

Physical characteristics

Temperature, °C \rho, \frac{kg}{m^3}
20 7840

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{P}, MPa \psi, % KCU\cdot 10^{3}, \frac{J}{m^2} d5, % Treatment
Hire GOST 1414-75 980 784 45 0.59 10 Normalized and tempered

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy GOST 1414-75 annealing, hot rolling 217
Rental calibrated. Hardened. GOST 1414-75 calibrated, cold-work 269
Hire GOST 1414-75 high leave 235

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
\psi % Reduction in cross section on fracture
KCU\cdot 10^{3} \frac{J}{m^2} Impact toughness