Taille de grain | Taille (μm) | Composition chimique | |||
B% | C% | Fe2O3% | % BC | ||
60# | 315-215 | 78-81 | 17-22 | 0.2-0.4 | 97-99 |
80# | 200-160 | ||||
100# | 160-125 | ||||
120# | 125-100 | 78-80 | 17-22 | 0.2-0.4 | 96-98 |
150# | 100-80 | ||||
180# | 80-63 | ||||
240# | 60-50 | 77-80 | 17-22 | 0.3-0.5 | 96-97 |
280# | 50-40 | ||||
320# | 40-28 | ||||
W40 (360#) | 35-28 | 76-79 | 17-21 | 0.3-0.6 | 95-97 |
W28 (400#) | 28-20 | ||||
W20 (500#) | 20-14 | 75-79 | 17-21 | 0.4-0.8 | 94-96 |
W14 (600#) | 14-10 | ||||
W10 (800#) | 10-7 | 74-78 | 17-21 | 0.4-0.9 | 92-94 |
W7 (1000#) | 7-5 | ||||
W5 (1200#) | 5-3.5 | 74-78 | 17-21 | 0.5-0.9 | 90-93 |
W3.5 (1500#) | 3.5-2.5 | ||||
-325# | <45 | 74-79 | 17-22 | <0.4 | 92-97 |
0-44 μm | <45 | ||||
-200# | <90 | 74-80 | 17-22 | <0.3 | 94-97 |
-100# | <150 | ||||
-25μm | <25 | 74-79 | 17-21 | <0.3 | 92-96 |
-10μm | <10 | 74-78 | 17-21 | <0.3 | 91-95 |
60#-150# | 250-75 | 77-81 | 17-22 | <0.3 | 95-98 |
40#-120# | 315-106 | ||||
30#-60# | 355-250 | ||||
Carbure de bore | 355-250 | 92-80 | 17-23 | <0.3 | 90-99 |