FGS500-7 is a ductile cast iron grade in France standard NF A32-201. Our Dandong Foundry use this grade to produce many castings, such as iron brackets for trucks, tractors, other agricultural and construction machinery.
Equivalent grades of NF A32-201 FGS500-7 Ductile Cast Iron:
EN-GJS-500-7 in European standard EN 1563
70-50-05 in USA standard ASTM A536
Grade 500-7 in ISO standard ISO 1083
QT500-7 in China standard GB 1348
GGG50 in Germany standard DIN 1693
FCD500 in Japan standard JIS G5502
GS500-7 in Italy standard UNI 4544
500/7 in UK standard BS 2789
The chemical composition of NF A32-201 FGS500-7 ductile cast iron:
In standard NF A32-201, there is no requirement to the chemical composition, so the iron foundry could adjust their chemical composition as their experience, but the mechanical properties are the necessary requirement.
Mechanical properties and microstructure of Cast integral test bar of NF A32-201 FGS500-7 ductile cast iron
France NF A32-201 FGS500-7 Ductile Cast Iron |
Grade |
Tensile strength
Rm, min. |
Proof stress
Rp0,2, min. |
Elongation
A, min. |
Hardness |
Structure |
N/mm2 |
kgf/mm2 |
tonf/in2 |
N/mm2 |
kgf/mm2 |
tonf/in2 |
% |
HB |
FGS500-7 |
500 |
51.0 |
32.4 |
320 |
32.6 |
20.7 |
7 |
170-241 |
Ferrite&pearlite |
Mechanical properties and microstructure of attached test bar of NF A32-201 FGS500-7 ductile cast iron
Grade |
Thickness
/mm |
Tensile strength
σb≥/MPa |
Yield strength
σ0.2≥/MPa |
Elongation
δ5≥(％) |
Hardness
HBS |
Main microstructure |
FGS500-7 |
>30~60
>60~200 |
450
420 |
300
290 |
7
5 |
170~240 |
ferrite + pearlite |
|
