KCH55-4
for the manufacture of machine parts requiring high strength and plasticity
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Cast iron |
Ductile iron |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
P, % |
C, % |
S, % |
|---|
| GOST 1215-79 |
94.52–96.1 |
1.1–1.3 |
0.3–1 |
< 0.08 |
< 0.1 |
2.5–2.8 |
< 0.2 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
|---|
| Casting |
GOST 1215-79 |
|
|
|
539 |
3–4 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
|
GOST 1215-79 |
|
192–241 |
Analogues
| Germany |
USA |
|---|
| GTS55-04 |
6004 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |