1.7213 (25CrMoS4)

Classification

Country Section Category
Germany Structural, Pressure Vessel and Engineering Steels Cr-Mo with Mo < 0.35%, Cr-Mo-B

Chemical composition

Standard Fe, % Si, % Mn, % Cr, % P, % C, % S, % Mo, %
96.845–98.11 < 0.4 0.6–0.9 0.9–1.2 < 0.025 0.22–0.29 0.02–0.04 0.15–0.3

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$, % $$R_{eH}$$, $$MPa$$ $$\psi$$, % Treatment
< 16 moderate hardening 900–1100 12 700 50
16–40 moderate hardening 800–950 14 600 55
40–100 moderate hardening 700–850 15 450 60
100–160 moderate hardening 650–800 16 400 60
annealing, carbide spheroidization 580 60

Brinell hardness number

Rolling Standard Classifiers Value, HBW
improved machinability 255
annealing, soft 212

Standards

Standard Description
EN 110083-1
EN 10263-4

Description of chemical elements

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

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_{L (L_0 = 5.65\sqrt{S_o})}$$ % Elongation at break (longitudinal) (for L0 = 5.65√So)
$$R_{eH}$$ $$MPa$$ Upper yield point
$$\psi$$ % Reduction in cross section on fracture