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  NF A32-201 FGS500-7 Ductile Cast Iron  
 

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

 

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