Ductile Cast Iron EN-GJS-400-15/GGG40

EN-GJS-400-15 ductile iron is a very common material in European standard DIN EN 1563.

It is equal to GGG40 in DIN 1693, QT400-15 in China, A536 60-40-18 in USA ASTM, GS400-12 in Italy, FCD400 in Japan, FGS400-12 in France, FNG42-12 in Belgium, SJK-400 in Norway and ISO 1083 400-15.

Now, let me introduce its mechanical properties, chemical composition, foundries and castings to you.

Properties of EN-GJS-400-15/GGG40 cast iron

Tensile strength ≥ 400 Mpa.
Yield strength ≥ 250 Mpa.
Elongation ≥ 15%.
No impact requirement.

Hardness of EN-GJS-400-15/GGG40 cast iron

The hardness of this ductile cast iron grade is between 130-180 Brinell hardness.

Density of EN-GJS-400-15/GGG40 cast iron

The density of this ductile iron grade is about 7.3 g/cubic centimeter, or 7.3 kg/liter.

Chemistry composition of EN-GJS-400-15/GGG40 cast iron

According to the standard DIN EN 1563 and DIN 1693, the foundries could adjust the chemical composition as long as the mechanical and physical properties of the castings could meet the requirements in Standards.

The following chart is an approximate chemical composition range for your reference.