1.3563 (43CrMo4)

Classification

Country Section Category
Germany Alloy Miscellaneous Steels Bearing Steels

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % Cu, % Al, % P, % C, % S, % O, % Mo, %
EN ISO 683 96.348–97.95 < 0.4 0.6–0.9 0.9–1.2 < 0.3 < 0.05 < 0.025 0.4–0.46 < 0.015 < 0.002 0.15–0.3

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KU$$, $$J$$ Treatment
< 16 1080–1270 > 880 < 10 < 40 < 30 After hardening and tempering
17–40 980–1180 > 760 < 11 < 45 < 35 After hardening and tempering
41–100 880–1080 > 640 < 12 < 50 < 35 After hardening and tempering
101–160 780–930 > 560 < 13 < 55 < 35 After hardening and tempering

Brinell hardness number

Rolling Standard Classifiers Value, HBW
soft, annealing < 255

Standards

Standard Description
EN ISO 683

Description of chemical elements

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