SURFACE TREAMENT FOR TAPS
|
Classification Features |
Without |
Oxide |
Nitride |
TiN |
TiCN |
CrN |
TiAIN |
|
Vickers Hardness |
850∼900 |
850∼900 |
1000∼1300 |
2000∼2400 |
2800∼3000 |
1800∼2200 |
2800∼3500 |
|
Wear Resistance |
─ |
─ |
△ |
○ |
◎ |
△ |
◎ |
|
Welding Resistance |
─ |
△ |
─ |
○ |
○ |
◎ |
○ |
|
Heat Resistance |
─ |
─ |
△ |
○ |
△ |
○ |
◎ |
|
Acid Resistance |
─ |
─ |
─ |
○ |
△ |
◎ |
◎ |
|
Friction |
─ |
△ |
─ |
○ |
◎ |
◎ |
○ |
|
Color |
─ |
Blue black |
Black gray |
Gold |
Bluegray |
Silver |
Violet |
|
Workpiece materials |
GeneralApplication |
Low Carbon Steel |
Cast Irons |
Carbon Steel |
CarbonSteel |
Copper |
Hard Steel |
|
|
|
Stainless Steel |
ThermossettingPlastic |
Alloy Steel |
Hard Steel |
Aluminum Alloy Casting |
Stainless Steel |
|
|
|
|
|
Stainless Steel |
Stainless Steel |
|
Cast Irons |
|
|
|
|
|
Aluminum Alloy Casting |
Aluminum Forging |
|
|
|
|
|
|
|
|
TitaniumAlloy |
|
|