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Tohoku Steel Co., Ltd.
AND OR

PVD Treatment

Surface coating treatment, suitable for improving the lifespan of metal dies and tools.

Features

  1. We provide ideal film coating to meet your specific usage needs.
  2. To further increase lifespan, we can deal with coating for composite layers, transition layers and other film structures.
  3. We can also handle removal of films and retreatment.

Applied materials and product

[Target materials]

Cold dies steel, hot dies steel, die steel for plastics, high speed steel, sintered high speed steel, cemented carbide, pre-hardened steel, stainless steel, Al and Al alloys, Ti and Ti alloys.

[Application examples]

Film type Features Application examples
TiN Wear resistance, die release properties, corrosion resistance, galling prevention Cutting tools, press die, die for plastic forming, machine parts
TiCN Processing of high hardness, multilayer film, hard-to-cut materials Cutting tools, press dies
TiC High hardness, sliding properties, multilayer film Press dies, sliding parts
TiAIN High hardness, heat resistance, cutting process of high hardness material High speed cutting tools, machine parts, mold for plastics
CrN Wear resistance, low frictional coefficients, corrosion resistance under high temperature, corrosive environments Al and Cu processing tools, press die, mold for plastics
DLC High hardness, super low frictional coefficient, wear resistance, high electrical resistance, lubrication properties Al and Cu processing tools
Product

Main properties

[Properties of each film type]

Film type
Color tone
Hardness (Hv)
Wear resistance
Corrosion resistance
Oxidation resistance
Burn resistance
TiN
Gold 1800 - 2200
TiCN
Brown 2200 - 2700
TiC
Silver 3000 - 3500
TiAIN
Dark gray 3000 - 3500
CrN
Silver 1600 - 2000
DLC
Black 4000 - 6000 ×
◎Superior→△Inferior

Film type
Unveiling
Kirin Coat C compatible
Recommended film thickness
[μm]
Max. film thickness
[μm]
TiN
3±1 Up to 5
TiCN
3±1 Up to 5
TiC
3±1 Up to 5
TiAIN
3±1 Up to 5
CrN
× 3±1 Up to 10
DLC
1 - 2 Up to 3

Other

  • We will take on repolishing jobs for cutting tools and recoating jobs.
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