1.8505 (32CrAlMo7-10)

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Al, % P, % C, % S, % Mo, %
EN 10085 95.09–96.82 < 0.4 0.4–0.7 1.5–1.8 0.8–1.2 < 0.025 0.28–0.35 < 0.035 0.2–0.4

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{0.2}$$, $$MPa$$ $$\epsilon_L$$, % $$KV_{L}$$, $$J$$ Treatment
16–40 moderate hardening 1030–1230 835 10 25–30
40–100 moderate hardening 980–1180 835 10
100–160 moderate hardening 930–1130 735 12
160–250 moderate hardening 880–1080 675 12

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing, soft 248

Standards

Standard Description
EN 10085

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
Mo % Molybdenum

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma_{0.2}$$ $$MPa$$ Tensile stress required to produce a total elongation of 0.2%
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)