| Typical physical properties | 
 
| Hardness of the new grain | 
+/- 20 HRC (235HV) | 
 
| Hardness in operating mixture | 
+/- 45 HRC (460HV) | 
 
| Grain shape | 
spherical | 
 
| Melting point | 
approx. 1450 - 1500 °C | 
 
| Density | 
approx. 7,9 g/cm3 | 
 
Bulk density depending on granular size) | 
approx. 3,8 – 4,6 g/cm3 | 
 
| Microstructure | 
austenitic | 
 
 
 
| Typical chemical analysis | 
 
| Cr | 
16,00 - 20,00 % | 
 
| Ni | 
7,00 - 9,00 % | 
 
| Si | 
1,80 - 2,20 % | 
 
| Mn | 
0,70 - 1,20 % | 
 
| C | 
0,05 - 0,20 % | 
 
 
 
| Packaging | 
 
| 25 kg bags on pallet up to 1 ton | 
 
| 1 ton loose in big bag | 
 
 
 | 
| Available sizes | 
 
| Description | 
Average grain size (mm) | 
 
| ALPHA 010 | 
0,0 - 0,2 | 
 
| ALPHA 020 | 
0,1 - 0,3 | 
 
| ALPHA 030 | 
0,2 - 0,4 | 
 
| ALPHA 040 | 
0,4 - 0,9 | 
 
| ALPHA 050 | 
0,6 - 1,0 | 
 
| ALPHA 060 | 
0,7 - 1,2 | 
 
| ALPHA 090 | 
0,9 - 1,4 | 
 
| ALPHA 100 | 
1,0 - 1,7 | 
 
| ALPHA 150 | 
1,2 - 2,4 | 
 
| ALPHA 200 | 
1,7 - 3,4 | 
 
| Other grain sizes can be produced if required. | 
 
 
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