Sintered Metal Powder HP Grade Reference Chart


Avenger Grade Average Micron Size Material Surface
12 HP 150 – 250 Extra Coarse
23 HP 100 – 150 Coarse
34 HP 65 – 100 Medium Coarse
46 HP 40 – 70 Medium
68 HP 30 – 45 Fine
83 A 20 – 30 Extra Fine
103 A 10 – 20 Super Fine
153 A 5 – 10 Ultra Fine

The average micron size column represents
“Average micron particle stoppage.”