1.7276 (10CrMo11)
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, % |
|
95.66–96.57 |
0.15–0.35 |
0.3–0.5 |
2.7–3 |
< 0.035 |
0.08–0.12 |
< 0.035 |
0.2–0.3 |
Information on suppliers
Physical characteristics
Temperature, °C |
$$E\cdot 10^{9}$$, $$MPa$$ |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
100 |
|
11.1 |
200 |
206 |
12.1 |
300 |
181 |
12.9 |
400 |
172 |
13.5 |
500 |
162 |
13.9 |
600 |
152 |
14.1 |
Mechanical properties at 20 °C
Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{Y}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$KU$$, $$J$$ |
Treatment |
|
|
|
|
|
440–540 |
> 215 |
< 25 |
> 69 |
After quenching and tempering or tempering |
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 physical characteristics
Parameter |
Units of measurement |
Description |
$$E\cdot 10^{9}$$ |
$$MPa$$ |
Elastic modulus |
$$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
Coefficient of thermal (linear) expansion (range 20°C–T) |
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) |
$$KU$$ |
$$J$$ |
Impact energy |