12HN2A

gears, shafts, worms, cam clutches, piston pins and other carburized parts, which are requirements of high strength, ductility and toughness core and high surface hardness, operating under the influence of shock loads and at low temperatures.

Classification

Country Section Category
CIS, Russia, Ukraine Structural steel Alloyed structural steel

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, %
GOST 4543-71 96.02–97.34 0.17–0.37 0.3–0.6 0.6–0.9 1.5–1.9 < 0.025 0.09–0.16 < 0.025

Information on suppliers

Analogues

Standards

Standard Description
GOST 4543-71

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Cr % Chrome
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur