Besly Surface Treatments

Besly Surface Treatments
Nitrided
No.	Description	Purpose	Application
7	Extra Light Nitride	To resist abrasion with a hardened surface case.	For tapping aluminums, die castings, abrasive stringy metals and free machining copper alloys.
14	Light Nitride
24	Medium Nitride
34	Heavy Nitride
48	Double Nitride
Oxided
No.	Description	Purpose	Application
33	Steam Oxide	To counteract galling, or loading. Lubricate tap surfaces.	For tapping low carbon, leaded steel, stainless and gummy materisl.
44	Nitride and Oxide in Air	For stress relief and light oxide coating.	For copper alloys of medium machinability.
47	Extra Light Nitride plus Steam Oxide	To add wear life and reduce loading.	For high speed production tapping. Poor lubrication.
52	Nitride plus Steam Oxide	To add wear life and reduce loading.	For high speed production tapping. Poor lubrication.
55	Steam Oxide plus Nitride	To add wear life and provice self lubrication.	For use in cast iron.
81	Heavy Nitride plus Steam Oxide	To add wear life in hard and dense metals.	For tapping hard steel alloy, titanium, exotic materials and hard coppr alloys.
Chrome Plated and/or Vapor Blast
No.	Description	Purpose	Application
CP-75	Hard Flash Chrome	To reduce friction and prevent galling.	For copper and mild ferrous alloys.
NP-75	Nitride plus Hard Flash Chrome	To increase wear life.	Use in ductile and abrasive materials.
66	Chrome Plate, Oil Bath and Vapor Blast	To prevent galling.	For gummy materials or when lubrication is inadequate.
BP-75	Chrome, Oxide in Air, Oil Impregnation	To provide additional lubrication and wear resistance	For gummy Steel.
Physical Vapor Deposition (PVD)
No.	Description	Purpose	Application
TiN	Titanium Nitride	To resist abrasion and chip welding.	Most potentials are in ferrous materials below Rc40.
TiCN	Titanium Carbonitride	To increase wear resistance.	Most potentials are in ferrous materials below Rc40.
TiAlN	Titanium Aluminum Nitride	To increase heat protection.	Most potentials are in ferrous materials below Rc40.
CrN	Chromium Nitride	To increase wear resistance.	Most potentials are in ferrous materials below Rc40.