Ductile Iron Grade Comparison
2024-12-21
Ductile iron pipe refers to the use of more than 18 casting iron by adding a spheroidal agent, through the centrifugal ductile iron machine high-speed centrifugal casting into the pipe, referred to as ductile iron pipe, ductile iron pipe and ductile casting pipe. Mainly used for water transportation, is the ideal choice of materials for water pipeline.
|
China |
America |
German |
Japanese |
French |
UK |
Global |
|
GB1348-1988 |
ASTMA536 |
DIN1693 |
JISG5502 |
NFA32-201 |
BS2789 |
ISO/R1083 |
|
QT400-18 |
60-40-18 |
GGG40 |
FCD40 |
FGS370-17 |
Cr.370-17 |
Cr.370-17 |
|
QT450-10 |
65-45-12 |
—— |
—— |
FGS400-12 |
Cr.420-12 |
Cr.420-12 |
|
QT500-7 |
80-55-06 |
GGG50 |
FCD45/50 |
FGS500-7 |
Cr.500-7 |
Cr.500-7 |
|
QT600-3 |
|
GGG60 |
FCD60 |
FGS600-3 |
Cr.600-3 |
Cr.600-3 |
|
QT700-2 |
100-70-03 |
GGG70 |
FCD70 |
FGS700-2 |
Cr.700-2 |
Cr.700-2 |
|
QT800-2 |
120-90-02 |
GGG80 |
—— |
FGS800-2 |
Cr.800-2 |
Cr |











