1.6511 (36CrNiMo4)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr-Ni-Mo with Mo < 0.4% + Ni < 0.2%

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Ni, % P, % C, % S, % Mo, %
95.63–97.23 < 0.4 0.5–0.8 0.9–1.2 0.9–1.2 < 0.035 0.32–0.4 < 0.035 0.15–0.3

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$\epsilon_T$$, % $$R_{eH}$$, $$MPa$$ $$KV_{L}$$, $$J$$ $$KV_{T}$$, $$J$$ Treatment
< 160 moderate hardening 750 14 10–12 550 35–45 25–27
160–330 moderate hardening 700 15 500
330–660 moderate hardening 650 16 450
< 8 moderate hardening 1100 900 10
8–20 moderate hardening 1000 800 11
20–50 moderate hardening 900 700 12
50–80 moderate hardening 800 600 13

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing, soft 241

Standards

Standard Description
EN 10083-1
EN 10250-3
EN 10297-1

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
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)
$$\epsilon_T$$ % Elongation at break (transverse)
$$R_{eH}$$ $$MPa$$ Upper yield point
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)
$$KV_{T}$$ $$J$$ Impact energy (transverse)