Wholesale price Large steel castings raw material Chromite sand
Description
Foundry Grade sand chromite sand, also known as chromite ore, is a special sand for foundry. It is a natural spinel dominated by chromite. After crushing, grinding and sieving, it is divided into prescribed grain size, and is suitable for sand for moulding (core-making). Chromium ore sand Cr2O3 (> 46%) .
chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite
chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite
Chemical Composition
|
Cr2O3 |
≥46% |
|
SiO2 |
≤1.0% |
|
FeO |
≤26.5% |
|
CaO |
≤0.30% |
|
MgO |
≤10.0% |
|
Al2O3 |
≤15.5% |
|
P |
≤0.003% |
|
S |
≤0.003% |
|
Cr/Fe |
1.55/1 |
chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite
Physical Properties
|
Bulk density |
2.5-3g/cm3 |
|
Color |
black |
|
PH |
7-9 |
|
Sintering temperature |
Sintering temperature |
|
Melting point |
2180℃ |
chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite
chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite sand chromite
Conventional granularity in domestic
20—70# 40—70# 50—100# 70—140# 200# 325#
Conventional granularity on export
AFS25-30 AFS35—40N AFS40—45 AFS45—50 AFS50—55# AFS55—60 AFS60—65
Application...................................................................................................
1.Casting material 2. Refractory
3. Modeling 4. Fill 5. Steel mill drainage 6. Sandblasting and rust removal
