Our wide range of Certess™ Coatings improve performance, increase hardness and reduce friction.
Certess™ Carbon DLC Coatings
| Coating | Composition | Friction Coefficient (dry against steel) | Friction Coefficient (lubricated) | Hardness (Hv) | Coating Thickness (microns) | Deposition Temperature
°C |
Maximum Service Temperature
°C (2) |
|---|---|---|---|---|---|---|---|
| CertessTM Carbon DT |
a-C:H:W | 0.20 - 0.25 | 0.10 - 0.15 | 1200 - 1400 | 2 - 5 µm but can vary depending on the application | 150 - 350 ˚C but can vary depending on the application | 300 ˚C |
| CertessTM Carbon DDT |
WC + a-C:H:W + a-C:H | 0.11 - 0.15 | 0.07 - 0.11 | 2500 - 3200 | 2 - 5 µm but can vary depending on the application | 150 - 350 ˚C but can vary depending on the application | 350 ˚C |
| CertessTM Carbon DCX |
CrN + a-C:H | 0.11 - 0.15 | 0.07 - 0.11 | 2500 - 3200 | 2 - 5 µm but can vary depending on the application | 150 - 350 ˚C but can vary depending on the application | 350 ˚C |
| CertessTM Carbon DCY |
Cr + WC + a-C:H:W + a-C:H | 0.11 - 0.15 | 0.07 - 0.11 | 2500 - 3200 |
2 – 5 µm but can vary depending on the application |
150 - 350 °C but can vary depending on the application | 350 ˚C |
| CertessTM Carbon TC |
ta-C | < 0.1 | < 0.1 | 3000 - 7000 |
1 – 4 µm but can vary depending on the application |
150 ˚C | 450 ˚C |
Certess™ Nitro PVD Coatings
| Coating | Hardness Hv | Hardness GPa | Friction Coefficient (dry against steel) | Thickness | Deposition Temperature
°C |
Maximum Service Temperature
°C |
Appearance |
|---|---|---|---|---|---|---|---|
| CertessTM Nitro TTi TiN |
2000 - 2400 | 20 - 24 | 0.5 | 2 - 5 µm but can vary depending on the application | 260 ˚C but can vary depending on the application | 500 ˚C | Gold |
| CertessTM Nitro TTi - Low TiN |
2000 - 2400 | 20 - 24 | 0.5 | 1.5 - 3 µm but can vary depending on the application | 300 - 400 ˚C but can vary depending on the application | 500 ˚C | Gold |
| CertessTM Nitro TTC TiCN |
2800 - 3200 | 28 - 32 | 0.4 | 2 - 5 µm but can vary depending on the application | 300 - 400 ˚C but can vary depending on the application | 475 ˚C | Bronze |
| CertessTM Nitro TAT AlTiN |
2800 - 3200 | 28 - 32 | 0.6 | 2 - 5 µm but can vary depending on the application | 300 - 400 ˚C but can vary depending on the application | 750 ˚C | Purple/Black |
| CertessTM Nitro TN CrN |
1800 - 2200 | 18 - 22 | 0.5 | 2 - 5 µm but can vary depending on the application | 300 - 400 ˚C but can vary depending on the application | 700 ˚C | Silver |
| CertessTM Nitro TG ZrN |
2200 - 2500 | 22 - 25 | 0.5 | 2 - 5 µm but can vary depending on the application | 300 - 400 ˚C but can vary depending on the application | 600 ˚C | Light Gold |
| CertessTM Nitro M MoN |
2500 - 3000 | 25 - 30 | 0.20 - 0.25 | 1 - 5 µm but can vary depending on the application | < 200 ˚C | 700 ˚C | Light Gray |
|
CertessTM Nitro |
2000 - 2500 | 20 - 25 | 0.20 - 0.25 | 2 - 5 µm but can vary depending on the application | 250 - 350 ˚C but can vary depending on the application | 400 ˚C | Gray |
Salt Bath Nitride Hardness Chart
| Steel | Core Strength After Hardening & Tempering Temper. Temperature (N/mm2) | Surface Hardness 90 Min 1076° F Melonite® |
|---|
| Name | Steel Number | 2 Hours | 6 Hours | HV 1 | HV 10 | HV 30 |
|---|---|---|---|---|---|---|
| Ck15 | 1.1141 | 600 | 550 | 350 | 300 | 200 |
| C45W3 | 1.1730 | 750 - 850 | 700 - 800 | 450 | 350 | 250 |
| Ck60 | 1.1221 | 750 - 950 | 700 - 800 | 450 | 350 | 250 |
| 20MnCr5 | 1.7147 | 800 - 950 | 800 - 900 | 600 | 450 | 400 |
| 53MnV8 | 1.5141 | 850 - 950 | 800 - 900 | 450 | 400 | 350 |
| 90MnV8 | 1.2842 | 1000 - 1200 | 900 - 1100 | 550 | 450 | 400 |
| 42CrMo4 | 1.7225 | 900 - 1200 | 900 - 1100 | 650 | 500 | 450 |
| X19NiCrMo4 | 1.2764 | 900 - 1100 | 900 - 1000 | 600 | 500 | 450 |
| 55NiCrMov6 | 1.2713 | 1200 - 1400 | 1150 - 1300 | 650 | 550 | 500 |
| 56NiCrMoV7 | 1.2714 | 1300 - 1500 | 1250 - 1400 | 650 | 550 | 500 |
| 50NiCr13 | 1.2721 | 1200 - 1350 | 1100 - 1200 | 600 | 500 | 450 |
| X20Cr13 | 1.2082 | 1000 - 1200 | 1000 - 1200 | > 900 | 600 | 450 |
| X35CrMo17 | 1.4122 | 1000 - 1200 | 1000 - 1200 | > 900 | 700 | 550 |
| X210Cr12 | 1.2080 | 1500 - 1700 | 1400 - 1600 | > 800 | 600 | 450 |
| X210CrW12 | 1.2436 | 1500 - 1800 | 1400 - 1650 | > 800 | 600 | 500 |
| X165CrMoV12 | 1.2601 | 1400 - 1900 | 1400 - 1700 | > 800 | 650 | 500 |
| 45CrMoW58 | 1.2603 | 1500 - 1800 | 1400 - 1700 | 800 | 700 | 600 |
| X32CrMoV33 | 1.2365 | 1700 - 1800 | 1600 - 1750 | > 900 | 850 | 700 |
| X38CrMoV51 | 1.2343 | 1700 - 1900 | 1500 - 1700 | > 900 | 850 | 700 |
| X37CrMoW51 | 1.2606 | 1700 - 1900 | 1600 - 1800 | > 900 | 800 | 700 |
| X30WCrV53 | 1.2567 | 1700 - 1900 | 1600 - 1800 | > 900 | 850 | 750 |
| X30WCrV93 | 1.2581 | 1500 - 1800 | 1500 - 1700 | > 900 | 850 | 800 |
