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Stellite Saw Tips Grade Stellite 1 Chemical Composition and and Physical Properties:

Co	Cr	W	C	Others	Hardness	Density	Melting Range
Base	28-32	11-13	2.0-3.0	Ni,FeSiMn,Mo	50-58 HRC 550-720 HV	8.69g/cm³ 0.314  Ib/in³	1248-1290℃ 2278-23550F

Stellite 1 has a high carbon content (approximately 2.5%) and contains 11-13% tungsten, forming a large amount of hard carbides (such as Cr₇C₃ and WC), giving it a hardness of HRC 50-58. This high hardness and abrasion resistance make it excellent for cutting hardwoods, but its relatively low toughness makes it unsuitable for withstanding frequent impacts.

Recommended Wood Types:

High-Density Hardwoods: Such as mahogany, rosewood, black walnut, ebony, and Okan. These woods are dense and hard, causing ordinary saw teeth to wear easily. Stellite 1’s hard carbides effectively resist abrasive wear, maintaining a sharp cutting edge.

Silica-Containing Tropical Hardwoods: Such as sapele and teak. These woods naturally contain high-hardness silica components, causing ordinary alloy saw teeth to dull easily. Stellite 1’s wear resistance makes it the preferred choice.

High-Temperature Hardwood Cutting: Stellite 1 maintains its hardness at high temperatures, making it suitable for the frictional heat generated during prolonged continuous hardwood cutting.

 

Stellite Saw Tips Grade Stellite 12 Chemical Composition and and Physical Properties:

Co	Cr	W	C	Others	Hardness	Density	Melting Range
Base	27-32	7.5-9.5	1.4-2.0	Ni,Fe,Si,Mn	45-51HRC 435-590 HV	8.53  g/cm³ 0.308  Ib/in³	1225-1280℃ 2240-23350F

Stellite 12 has a moderate carbon content (approximately 1.4-2.0%), a tungsten content of 7.5-9.5%, and a hardness of HRC 45-51. Its microstructure contains a lower proportion of carbides than Stellite 1, resulting in better toughness while retaining excellent wear resistance and corrosion resistance, making it suitable for various complex working conditions.

Recommended Timber Applications:

Softwoods and Medium-Hardwoods: Such as cedar, pine, poplar, and other soft woods. Stellite 12’s abrasion resistance is sufficient for these types of woods, and its toughness reduces the risk of chipping during cutting.

Damp or Undried Woods: Stellite 12’s corrosion resistance makes it less prone to rusting or corrosion when cutting woods with high moisture content (such as red cedar and undried pine).

Woods with Knots or Impurities: Due to its good impact resistance, Stellite 12 is less likely to break when encountering knots, nails, or other impurities in the wood, making it suitable for renovation or demolition projects.

High-Temperature or Corrosive Environments: Stellite 12 maintains its performance at 700°C and has strong acid and alkali resistance, making it suitable for processing preservative-treated wood or operating in harsh environments.

 

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