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Ferrosilicozirconium
To Specification TY 14-5-83-87
Used to deoxidize steel. In steels with high nitrogen contents,
zirconium improves creep strength at high temperatures.
Adds sulphur to form strong compounds which paralyzes detrimental action of sulphur on steel.
Chemical composition
| Grade |
Chemical composition, % |
| Zr |
Si |
Al |
C |
P |
S |
Cu |
| min |
in limits |
max |
| شرضِ45 |
45 |
20-30 |
9 |
0,2 |
0,1 |
0,02 |
3 |
| شرضِ40 |
40 |
20-40 |
8 |
0,2 |
0,2 |
0,02 |
3 |
| شرضِ30 |
30 |
20-45 |
7 |
0,4 |
0,2 |
0,04 |
3 |
|
At request ferrosilicozirconium of grade
شرضِ45 can be made with copper contents of not more than 0.5%
and aluminium contents of not more than 4%.
Supplied in lumps of 10-100 mm, packed in steel drums.
Density 5,0 g/cm3.
melting point 1900-2170°C.
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