1.7005 (45Cr2)

Classification

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

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % P, % C, % S, %
97.66–98.53 0.15–0.4 0.5–0.8 0.4–0.6 < 0.025 0.42–0.48 < 0.035

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
< 16 880–1080 > 635 > 12 > 40 > 35 After processing
17–40 780–930 > 540 > 14 > 45 > 42 After processing
41–100 690–830 > 440 > 15 > 50 > 42 After processing

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