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GRAPHITE COMPARISON TOOL

Compare graphite grades from other graphite vendors.

ELECTRODE SELECTION TOOL

Determine the appropriate grade of EDM graphite material to use for roughing and finishing applications, based on your desired workpiece.

POCO
Grade

EDM-200®
EDM-1®
EDM-3®
EDM-4®
EDM-AF5®
EDM-C3®

Equivalent
OCB Materials

AR-8, AR-12
AR-14
DS-4
DS-4
No Equivalent
TTK-4C

Steel
A2, A6, P20, H13

Stainless Steel
Chromium, Nickel & Their Alloys

Aluminium
incl. Aluminium Alloys

Titanium
incl. Titanium Alloys

Refactory Metals
Carbides, Tungsten, Tantalum, Molybdenum

Precious Metals
Gold, Silver, Platinum & Their Alloys

Copper
incl. Copper Alloys

Soft Metals
Zinc, Magnesium, Beryllium,Tellurium, & Their Alloys

Other Metals
Cobalt, Manganese, Vanadium, & Zirconium

Roughing
Applications
Simple
Finishing
Applications
Complex
Graphite Electrode Selection Tool

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