| Metal |
|
FCD400 |
FCD500 |
FCD600 |
FCD700 |
FCD800 |
| Component |
C |
3.6-3.8 |
3.5-3.6 |
3.40-3.55 |
3.35-3.5 |
3.3-3.4 |
| |
Si |
2.6-2.8 |
2.5-2.7 |
2.2-2.4 |
2.1-2.2 |
2.0-2.1 |
| |
Mn |
max. 0.3 |
max. 0.4 |
0.4-0.6 |
0.5 |
0.5 |
| |
P |
max. 0.05 |
max. 0.05 |
max. 0.060 |
max. 0.060 |
max. 0.060 |
| |
S |
max. 0.02 |
max. 0.02 |
max. 0.02 |
max. 0.02 |
max. 0.02 |
| |
Mg |
0.040 |
-- |
0.04-0.55 |
0.04-0.55 |
0.04-0.55 |
| |
Cr |
-- |
max. 0.10 |
max. 0.15 |
max. 0.15 |
max. 0.15 |
| |
Mo |
-- |
-- |
max. 0.30 |
max. 0.40 |
max. 0.40 |
| Cast Iron Microstructure |
|
Ferrite、Pearlite 1:100 |
Ferrite、Pearlite 1:100 |
Ferrite、Pearlite 1:100 |
Ferrite、Pearlite 1:500 |
Ferrite、Pearlite 1:500 |
| Mechanical Property |
|
|
|
|
|
|
| Tensile Strength |
N/mm2 |
400-550 |
500-650 |
600-750 |
700-850 |
800-1000 |
| 0.2% Yield Strength |
N/mm2 |
250-300 |
320-420 |
370-480 |
420-600 |
480-750 |
| Elongation |
% |
27-15 |
18-7 |
8-3 |
6-2 |
4-2 |
| Bernell Hardness |
HBS |
135-185 |
170-220 |
200-250 |
235-285 |
270-335 |
| Bending Fatigue Strength |
N/mm2 |
216-255 |
235-275 |
255-314 |
275-333 |
-- |
| Product Quality and Usage |
|
|
|
|
