1.7326 (25MoCrS4)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr-Mo with Mo ≥ 0.35%

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % P, % C, % S, % Mo, %
97.235–98.2 0.15–0.4 0.6–0.9 0.4–0.6 < 0.035 0.23–0.29 0.02–0.04 0.4–0.5

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KU$$, $$J$$ Treatment
< 11 1080–1370 > 735 > 7 > 30 > 34 After carburization, in the core
< 30 980–1270 > 685 > 8 > 35 > 34 Cementation, in the core
< 63 780–1080 > 540 > 35 Cementation, in the core

Brinell hardness number

Rolling Standard Classifiers Value, HBW
soft, average vacation < 217

Description of chemical elements

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

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)
$$\psi$$ % Reduction in cross section on fracture
$$KU$$ $$J$$ Impact energy