MITSUBISHI MATERIALS CORPORATION
BACK


CERMET

NX2525 for high speed milling.


NX4545 for general milling.
Micro-Structure of NX2525 Micro-Structure of NX4545
Micro-Structure of NX2525 Micro-Structure of NX4545
  • NX2525 has high hardened Ti compound particles within it's microstructure therefore the grade has both excellent wear and fracture resistance properties.

  • NX4545 uses a special alloy for the binder material therefore the grade has high fracture resistance properties.

SELECTION STANDARD
MILLING
MILLING
(Note) In case of wet cutting, please use coated carbide F7030 for steel cutting and coated carbide F5010 for cast iron cutting.

CUTTING PERFORMANCE
Cutting Performance Cutting Speed : vc Depth of Cut : ap Feed per Tooth : fz Width of Cut : ae
Steel High Speed Milling
<Cutting Conditions>
Workpiece : AISI 4140(3.8"Wx15.7"L)
Cutter : SE445R0506E
Insert : SEEN42AFTN1
vc=1150SFM
ap=.098inch
fz=.008inch/tooth
Dry Cutting
Steel Shoulder Milling
<Cutting Conditions>
Workpiece : AISI 4140(220HB)
Cutter : NSE400R503S32
Insert : TEEN43PETR1
vc=655SFM
fz=.014inch/tooth
ae=1inch
ap=.118inch
Down Cut Dry Cutting
Cast Iron Milling
<Cutting Conditions>
Workpiece : AISI 40(3.7"Wx15.7"L)
Cutter : SE445R0506E
Insert : SEEN42AFTN1
vc=590SFM
ap=.098inch
fz=.008inch/tooth
Dry Cutting

GRADE CHARACTERISTICS
Grade Substrate
Hardness (HRA) T.R.S(GPa) Thermal Conductivity
(W/m·K)*		 Thermal Expansion
(X10-6/K)
NX2525 92.2 2.0 33 7.8
NX4545 90.0 2.0 33 7.8
*1GPa=102kg/mm2, 1W/m•K=2.39×10-3cal/cm•sec•°C