EMT 609

EMT 609 is an ultra-fine grade used for milling hardened steel (>50HRC). It is ideal for High Speed Cutting (HSC) for mold construction, wear-resistant micro-tools, finish spot milling/secondary chatter reduction and uncoated machining of new composite materials.

Chemical Composition   Physical Data
Tungsten
89.5%
  Density ISO 3369 14.40 ±0.10 g/cm3
Cobalt
9.0%
  Hardness ISO 3878 1950 ±50 HV 30
Other Carbides 1.5%   Transverse Rupture Strength >4000 N/mm2
         
Porosity ISO 4505   Coercive Force 4πo
Basic Porosity ≤A 01   µT•m3•kg-1 14.90±1.5
Particular Porosity <B 00      
C-Porosity <C 00   Coercive Field Strength
      iHC with ISO 3326 (kA•M-1) 36.0 ±3.5
Structure      
Average Grain Size ~0.5 µm   Constant of Metallurgy
     
  • Without free carbon
  • Without Eta-phase
  • Without pollution through other carbide grades or contents
Specialty  
Sinter-HIP    

Utilizing the most cutting-edge Sinter-HIP technology, Extramet can ensure consistent quality and tight tolerances.