VCH70
product with high strength and satisfactory ductility
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Cast iron |
Nodular cast iron |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Cu, % |
Ni, % |
P, % |
C, % |
S, % |
|---|
| GOST 7293-85 |
91.535–94 |
2.6–2.9 |
0.4–0.7 |
< 0.15 |
< 0.4 |
< 0.6 |
< 0.1 |
3–3.6 |
< 0.015 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{P}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
|---|
| Castings |
GOST 7293-85 |
|
|
|
700 |
420 |
2 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Alloy |
GOST 7293-85 |
|
228–302 |
Analogues
| Germany |
USA |
|---|
| GGG70 |
100-70-03 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Cu |
% |
Copper |
| Ni |
% |
Nickel |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\sigma_{P}$$ |
$$MPa$$ |
Proportionality limit |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |