55H20G9AN4 (EI303, 5Х20Н4АГ9)

Valves of automobile motors.

Valves automobile engines

Classification

Country Section Category
CIS, Russia, Ukraine Heat resistant steels and alloys Heat resistant high alloy steel

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Ni, % P, % C, % S, % N, %
GOST 5632-72 61.48–67.7 < 0.45 8–10 20–22 < 0.3 3.5–4.5 < 0.04 0.5–0.6 < 0.03 0.3–0.6

Information on suppliers

Analogues

Germany USA
1.4871 EV12

Standards

Standard Description
GOST 5632-72
TU 14-1-1049-74

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
N % Nitrogen