KOBELCO PVD TECHNOLOGY
Coatings

Cutting Tools

General Use

Name Color Film Hardness Oxidation Coef.
Fric
Thickness Typical Applications
(Hv) (GPa) (℃) (μm)
BELCOAT
G
TiN 2,200 22 600 0.5 1-4 General wear resistance, wet machining
BELCOAT
R1
TiCN (with topcoat) 2,800 27 400 0.4 2-4 General wear resistance, drilling
BELCOAT
R2
TiCN (without topcoat) 2,800 27 400 0.4 2-4 General wear resistance, drilling
BELCOAT
V
TiAIN 2,800 27 800 0.5 1-4 General dry machining, inserts
BELCOAT
VS
TiAIN 3,000 29 900 0.5 1-4 High speed dry machining
BELCOAT
SG
CrN 1,800 18 700 0.4 1-5 Mold and Dies, Cu machining, tribological components

Drill

Name Color Film Hardness Oxidation Coef.
Fric
Thickness Typical Applications
(Hv) (GPa) (℃) (μm)
BELCOAT
VS/MR
AITiN multilayer 3,500 34 1,000 0.4 1-4 Drilling of carbon steel and alloy steel

End Mill

Name Color Film Hardness Oxidation Coef.
Fric
Thickness Typical Applications
(Hv) (GPa) (℃) (μm)
BELCOAT
SD
TiCrAIN 3,500 34 1,000 0.4 1-4 General machine substitute to TiAIN
BELCOAT
SDG
TICrAISiN 3,600 35 1,100 0.5 1-4 Semi-dry to dry machining (mainly end mills)
BELCOAT
SDG/H
Si added TiCrAIN
bilayer
3,600 35 1,100 0.5 1-4 Semi-dry to dry machining(mainly end mills)
BELCOAT
SDG/MR
Rare earth added TiCrAIN multilayer 3,600 35 1,200 0.5 1-4 High speed dry machining of hardened die steel, Ti (dry), inconel, Waspaloy

End Mill for Copper & Wood

Name Color Film Hardness Oxidation Coef.
Fric
Thickness Typical Applications
(Hv) (GPa) (℃) (μm)
BELCOAT
SG
CrN 1,800 18 700 0.4 1-5 Mold and Dies, Cu machining, tribological components

Insert & General Use for Cast iron

Name Color Film Hardness Oxidation Coef.
Fric
Thickness Typical Applications
(Hv) (GPa) (℃) (μm)
BELCOAT
VS
AITiN 3,000 29 900 0.5 1-4 High speed dry machining

General Use for Ti machining

Name Color Film Hardness Oxidation Coef.
Fric
Thickness Typical Applications
(Hv) (GPa) (℃) (μm)
BELCOAT
TI1
Modified AITiNmultilayer 2,800 27 600 0.4 1-4 Ti machining (wet to dry)

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