1.7036 (28CrS4)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr, Cr-B

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % P, % C, % S, %
EN 10084 97.125–98.24 < 0.4 0.6–0.9 0.9–1.2 < 0.025 0.24–0.31 0.02–0.04

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
< 16 850–1000 > 650 < 12 < 40 < 35 After hardening and tempering
17–40 750–900 > 550 < 14 < 45 < 40 After hardening and tempering
41–100 650–800 > 410 < 15 < 50 < 45 After hardening and tempering

Brinell hardness number

Rolling Standard Classifiers Value, HBW
improved machinability 255
annealing, soft 217
specified strength 166–217
specified strength, ferrite-pearlite composition 156–207

Standards

Standard Description
EN 10084

Description of chemical elements

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

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