1.6510
Classification
| Country |
Section |
Category |
| Germany |
Structural, Pressure Vessel and Engineering Steels |
Cr-Ni-Mo with Mo < 0.4% + Ni < 0.2% |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ni, % |
P, % |
C, % |
S, % |
Mo, % |
|
96.06–97.7 |
< 0.4 |
0.5–0.8 |
0.6–1 |
0.7–1 |
< 0.025 |
0.35–0.43 |
< 0.035 |
0.15–0.25 |
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 |
980–1180 |
11 |
785 |
40 |
|
|
|
16–40 |
|
moderate hardening |
930–1130 |
11 |
735 |
40 |
|
|
|
40–100 |
|
moderate hardening |
880–1080 |
12 |
685 |
45 |
|
|
|
100–160 |
|
moderate hardening |
830–980 |
12 |
635 |
50 |
|
|
|
160–250 |
|
moderate hardening |
740–880 |
13 |
540 |
50 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
|
|
annealing, soft |
240 |
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Ni |
% |
Nickel |
| 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 |