1.6563 (41NiCrMo7-3-2)

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, % Cu, % Ni, % P, % C, % S, % Mo, %
94.86–96.52 < 0.3 0.6–0.9 0.7–0.9 < 0.25 1.65–2 < 0.025 0.38–0.44 < 0.025 0.15–0.3

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KV_{L}$$, $$J$$ $$KV_{T}$$, $$J$$ Treatment
annealing, carbide spheroidization 720 58
< 8 moderate hardening 1150 950 9 50 35–45 25–27
8–20 moderate hardening 1050 870 10
20–50 moderate hardening 1000 800 11
50–80 moderate hardening 900 750 12
< 100 moderate hardening 16
100–160 moderate hardening 15

Brinell hardness number

Rolling Standard Classifiers Value, HBW
annealing, soft 248–255

Standards

Standard Description
EN 10263-4
EN 19269
EN 10297-1

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
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
$$KV_{L}$$ $$J$$ Impact energy (longitudinal)
$$KV_{T}$$ $$J$$ Impact energy (transverse)