DISTRIBUTORS OF HIGH QUALITY METAL STAMPING EQUIPMENT  
1757 Prescott Drive • Flower Mound, Texas 75028 •  p.972-355-9000 • f. 972-355-9001 • sales@colemanmachinery.com
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Steel Comparisons
New grades: PM 3 and PM 15
  • PM 3 - great toughness
    • Toughness approaching S7
    • Wear resistance greater than M2
    • Use for impact situations instead of S7, for high toughness without giving up wear or coatability
  • PM 15 - great wear
    • 50% - 100% longer wear life than PM 10
    • Same hardness, heat treatment as PM 10
    • Wear upgrade from PM 10, or replace FerroTiC, or use where carbide is too brittle
Pivot PM 1O steel punches and dies take advantage of the unique properties of this Crucible Particle Metallurgy steel. It is designed with a tough, air hardening base analysis with added high carbon and vanadium. This provides PM 1O with a combination of exceptionally good wear resistance, toughness and strength for cold and warm work applications.

Standard items available in Pivot Catalog #4000.

Wear Resistance Impact Strength
Steel Hardness (HRC) Wear Resistance* Steel Hardness (HRC) Charpy C-Notch* Impact Value (ft.-lb.)
PM 15 62 125 PM 15 62 10
PM 10 63 90 PM 10 63 15
PM 10 60 75 PM 10 60 25
D2 62 10 D2 62 17
M2 62 17 M2 62 17
PM M4 64 31 PM M4 63 30
A2 60 5 A2 60 36
PM 3 60 22 PM 3 60 75
S7 57 2 S7 57 108
*Reciprocal of the wear rate in unlubricated crossed-cylinder wear test in contact with rotating tungsten carbide cylinder. *Standard size Charpy Test specimen and notch depth with ½ inch notch radius.


GRADE PM 15 PM 10 PM 10 D2 M2 PM M4 A2 PM 3 S7
HRC 62 63 60 62 62 64 60 60 57