V25
SANDVIK Grade V25
0.35
Coated
Competitor
CBN
0.3
Flank wear, mm
PCBN Grade for
Hardened Steel Machining
• Designed for continous to medium
interrupted applications.
0.25
BZN8200
0.2
• Good flank and crater wear resistance
at higher cutting speeds.
V25
0.15
• Superior edge toughness.
0.1
• Suitable for both roughing and finishing cuts.
0.05
0
0
5
10
15
Applications
20
Cutting time, min.
Grade V25 is recommended for:
Work Material- 21NiCrMoS2, HRc 58-62
Insert CNGA120408
Vc= 200 m/min, ap= 0.15mm, f= 0.2mm/rev, dry
• Medium interrupted turning.
• Powder metal machining.
• CV Joint applications.
Grades
V25
Competitor CBN
0
5
10
15
20
25
30
Distance, km
Work Material- 100Cr6, HRc 60-62
Interrupted turning
Vc= 160m/min, ap= 0.2mm, f= 0.15mm/rev
Grade Summary
Grade
cBN
Content
(%)
Binder
V25
60-65
TiN
cBN
Hardness
particle size
(GPa)
(μm)
2-3
31-33
Cutting
Speed
(m/min)
Feed
Rate
(mm/rev)
Depth
of cut
(mm)
Coolant
Edge
Preparation
(General)
140-220
0.05-0.2
0.05-0.3
Dry
S01025
0.1mm x 25º
light hone
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