| Product Name: |
Ductile iron casting |
| Material: |
| No: |
GB |
UNS |
Din |
NF |
| 1 |
QT400-15 |
-- |
GGG-40 |
FGS400-15 |
| 2 |
QT400-18 |
F32800 |
---- |
FGS400-18 |
| 3 |
QT450-10 |
F33100 |
---- |
FGS450-10 |
| 4 |
QT500-7 |
F33800 |
GGG-50 |
FGS500-7 |
| 5 |
QT600-3 |
F3300,F34800 |
GGG-60 |
FGS600-3 |
| 6 |
QT700-2 |
F34800 |
GGG-70 |
FGS700-2 |
| 7 |
QT800-2 |
F36200 |
GGG-80 |
FGS800-2 |
| 8 |
QT900-2 |
F36200 |
---- |
FGS900-2 |
|
Casting Tolerance & Linear Tolerance |
|
Dimensions(mm) |
Normal(mm) |
Premium(mm) |
|
3----10 |
0.36 |
0.26 |
|
11-----25 |
0.42 |
0.30 |
|
26-----63 |
0.50 |
0.36 |
|
64-----100 |
0.56 |
0.40 |
|
101-----160 |
0.62 |
0.44 |
|
161------250 |
0.70 |
0.50 |
|
251-----400 |
0.78 |
0.56 |
Acceptance at the base of Mechanical character
| Casting Code |
Tensile Strength MPa(Kgf/mm2) |
Yield Strength MPa(Kgf/mm2) |
Percentage Elongation ¦Ä(%) |
Brinell Hardness
(HBS) |
Major Metallurgic al Structure (For reference) |
|
Minimum |
|
QT400-15 |
400(40.80) |
250(25.50) |
15 |
130-180 |
Ferrite |
|
QT450-10 |
450(45.80) |
310(31.60) |
10 |
160-210 |
Ferrite |
|
QT500-7 |
500(51.00) |
320(32.65) |
7 |
170-230 |
Ferrite&Pearlite |
|
QT600-3 |
600(61.20) |
370(37.75) |
3 |
190-270 |
Ferrite&Pearlite |
|
QT700-2 |
700(71.40) |
420(42.85) |
2 |
225-335 |
Pearlite |
|
QT800-2 |
800(81.60) |
480(48.95) |
2 |
245-335 |
Pearlite(or four
major
structures) |
|
>QT900-2 |
900(91.80) |
600(61.20) |
2 |
280-360 |
Pearlite(or four
major
|
