Heavy rare earth ferrosilicon alloy products
One. Features:
1. It has very strong deoxidation, desulfurization and degassing effects, which can obviously improve the casting performance of castings and increase the service life of castings.
2. The comprehensive ability of anti-fading, anti-oxidation, anti-interference element and corrosion resistance is stronger than that of light rare earth ferrosilicon alloy.
3. It can be used in ductile iron welding rods, ultra-low hydrogen and high toughness welding rods, etc.
4. It can be used in the production of heavy rare earth magnesium spheroidizing agent.
two. The grades and chemical composition of heavy rare earth ferrosilicon alloy are shown in the following table:
| rademark |
chemical composition / % |
|||||
|
REO（Y） |
Y/RE |
Si |
Ca |
Al |
Ti |
|
|
FeSiREO-1 |
20-25 |
≥50 |
40-44 |
1-3 |
<1.5 |
<0.3 |
|
FeSiREO-2 |
26-30 |
≥50 |
40-44 |
1-3 |
<1.5 |
<0.3 |
|
FeSiREO-3 |
31-35 |
≥50 |
40-44 |
1-3 |
<1.5 |
<0.3 |
|
FeSiREO-4 |
36-40 |
≥50 |
40-44 |
1-3 |
<1.5 |
<0.3 |
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