1.8504 (34CrAl6)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Nitriding Steels

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Al, % P, % C, % S, %
95.71–96.95 0.15–0.35 0.6–0.9 1.2–1.5 0.8–1.1 < 0.035 0.3–0.37 < 0.035

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$KU$$, $$J$$ Treatment
< 40 < 780 > 540 < 14 > 41 After hardening and tempering

Analogues

CIS, Russia, Ukraine
38H2YU

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$KU$$ $$J$$ Impact energy