1.7219 (26CrMo4)
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, % |
Cu, % |
P, % |
C, % |
S, % |
Mo, % |
EN 10216-4 |
96.725–98.23 |
< 0.35 |
0.5–0.8 |
0.9–1.2 |
< 0.3 |
< 0.025 |
0.22–0.29 |
< 0.01 |
0.15–0.3 |
Information on suppliers
Mechanical properties at 20 °C
Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{0.2}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$\epsilon_T$$, % |
$$KV_{L}$$, $$J$$ |
$$KV_{T}$$, $$J$$ |
Treatment |
|
|
|
|
moderate hardening |
560–740 |
440 |
18 |
16 |
40 |
27 |
|
Standards
Description of chemical elements
Element |
Units of measurement |
Description |
Fe |
% |
Iron |
Si |
% |
Silicon |
Mn |
% |
Manganese |
Cr |
% |
Chrome |
Cu |
% |
Copper |
P |
% |
Phosphorus |
C |
% |
Carbon |
S |
% |
Sulfur |
Mo |
% |
Molybdenum |
Description of mechanical properties
Parameter |
Units of measurement |
Description |
$$\sigma_{0.2}$$ |
$$MPa$$ |
Tensile stress required to produce a total elongation of 0.2% |
$$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
$$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
$$\epsilon_T$$ |
% |
Elongation at break (transverse) |
$$KV_{L}$$ |
$$J$$ |
Impact energy (longitudinal) |
$$KV_{T}$$ |
$$J$$ |
Impact energy (transverse) |