Coating Selection Guide

PVD - voestalpine eifeler Coatings - Properties and Applications

Coating Material
Microhardness HV 0.05
Friction Coefficient Against Steel (Dry)
Coating Thickness
(μm)
Thermal Threshold
Color of the Coating
Key Characteristics
Key Applications
Ultrafine Duplex Biocompatible
Primary Applications

TiN

Titanium Nitride

TiN

2300 ± 300 0.6 2 – 4 500°C

900ºF

 Gold Standard, all purpose coating  Cutting

Punching/ Forming 

Medical 

 Ultrafine Available

Biocompatible

  • Machining/cutting of iron based materials
  • Metal forming
  • Plastic molding 

TiCN

Titanium Carbo-Nitride 

TiCN (ML)

 3500 ± 500 0.2  2 – 4 400ºC

750ºF 

Blue gray  High hardness, excellent abrasive and wear resistance, enhanced toughness Cutting

Punching/ Forming

Medical

Ultrafine Available

Biocompatible

  • Machining of difficult-to-machine alloy steels
  • High performance cutting where moderate temperatures are generated at the cutting edge
  •  Excellent for metal forming (stainless steel)

ZrN

Zirconium Nitrid

ZrN

 2800 ± 300  0.5 1 – 4 600ºC

1100ºF

Pale yellow Decorative color, good wear and corrosion resistance  Cutting

Punching/ Forming

Medical

 Biocompatible
  • Cast aluminum and generally non-ferrous materials machining 
  • Machining of fiberglass, nylon and most polymer materials
  • Forming and punching

CrN

Chromium Nitride  

CrN

 2000 ± 200 0.3-0.4 1 – 6 600ºC

1100°F

 Silver-gray Low stress / good adhesion, high toughness and corrosion resistance  Forming Duplex Available

EXXTRAL® plus

Aluminum Titanium Nitride 

ALTiN (stacked) 

 3300 ± 300  0.7 2 – 5 800°C

1470°F

Anthracite  High hardness, very good oxidation resistance   Cutting  
  • Machining of hardened steel work pieces
  • For use on round shank carbide tools
  • High speed operations, semi-dry or dry machining

EXXTRAL® blue

 Aluminum Titanium Nitride (with additives)

AlTiN (nanostructured)

3500 ± 500 0.7  2 – 5 900ºC

1650°F 

Blue-violet  Extreme wear resistance at high temperature, excellent oxidation resistance   Cutting  
  • Cutting abrasive or hard materials
  • Machining of hardned steel (>55 HRc)
  • High performance machining, semi-dry or dry machining 

CROSAL®-plus

Aluminum Chromium Nitride

AlCrN

3200 ± 300 0.45 2 -5  1100°C

2012ºF 

Slate-gray  Extreme hot hardness, high oxidation resistance and high adhesive strength   Cutting

Punching/ Forming

 

SISTRAL®

 Aluminum Titanium Nitride (with additives)

AlTiN (Nanostructured)

3500 ± 500  0.7 1 – 3 900°C

1650°F 

 Anthracite  Extreme wear resistance at high temperature, excellent oxidation resistance  Cutting

Punching/ Forming

 ultrafine Available
  • Excellent choice for cutting under extreme conditions (hard, abrasive materials, high speed, dry cutting) 
TIGRAL®  Aluminum Chromium Titanium Nitride

AlCrTiN

3300 ± 300 0.6 3 – 5 900°C

1650ºF

Dark gray High oxidation resistance, high protection against abrasive wear Cutting

Forming

Duplex Available
  • Machining under dry conditions
  • Hot forming sheet metals
  • Die casting

VARIANTA®

 Titanium Aluminum

TiAlN (ML)

3500 ± 500   0.7 2 – 4   800°C

1470°F

Anthracite  High hardness, very good oxidation resistance   Cutting

Forming

Medical

Biocompatible 
  • Coating for a wide range of carbide, cermet and high speed steel tooling
  • Machining of cast iron and nickel based high temperature alloys
  • High speed operations semi-dry or dry machining 
VARIANTIC®  Titanium Aluminum Carbo-Nitride

TiAlCN (ML)

3500 ± 500   0.2 2 – 4 800°C

1470ºF 

Old rose   Low friction, high oxidation resistance Cutting

Punching/ Forming

Medical

 Duplex Available

Biocompatible

VARIANTIC®-1000

Titanium Aluminium Carbo-Nitride

TiAlCN (ML)

4,000 ± 200 HV 0.2 approx. 9-11 µm 800 °C 1470 °F Dark reddish gold Low friction, thick high layer adhesion and excellent protection against abrasive wear Stamping and forming Duplex Available Biocompatible

MOLDADUR®-P

Special Plasma Coating 4,000 ± 200 HV   approx. 9 µm   Pink High layer adhesion and excellent protection against abrasive wear Plastic Injection N/A

DLC: SUCASLIDE®

DLC Coating

a.C:Cr

1800 ± 200 0.05 – 0.10 1.5 – 2 400 °C  750 °F Black Good adhesive strength, very hard, very low friction coefficient, very dense and smooth coating structure. Biocompatible Forming and cutting tools, injection molds, precision components, motor and gear parts, paper knives, industrial blades, components of food-, vacuum- and cooling technology N/A
  • Suited for low-tempered steels, tools and precision components

DLC: CARBON-X®

a-C:H Based DLC Coating

a.C:Cr

2400 ± 400 0.05 – 0.15 1.5 – 2.5 325 °C   617 °F Dark grey Outstanding wear resistance due to high hardness, low friction and reduced sticking of work piece material, enhanced tool performance and longer lifetime Cutting of non-ferrous metals, blanking/piercing of non-ferrous metals, cold work, injection molding tools, components N/A
  • Applications where high abrasive wear occurs and softer tribological coatings reach their limits

 

1) depends on size of tools, for micro tools also smaller thicknesses necessary

 

Other application specific coatings available upon request. For further information and contact details please check our website: www.eifeler.com/northamerica
This information is based upon our present state of knowledge and is intended to provide general notes on products and their uses. It should not, therefore, be construed as a warranty of specific properties of the products described, or, as a warranty of suitability for a particular purpose.

Rev_16 April/2020.