Hardfacing Alloy
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Hardfacing Alloy >> Co 12

Co 12, a cobalt based bare cast rod having excellent resistance too many forms of chemical and mechanical degradation over a wide temperature range. The alloy is an excellent choice for wood cutting saw teeth and other applications for carpet, plastics, paper and the chemical industries. It can be applied to all weldable steels, including stainless steels. It can equivalent to: Stellite 6, Polystel 6.

Saw Teeth
Shaft Sleeves
Rotary Cutters
Bearing Areas
Burner Tips
Turbine Engine Seals

Product Details
Chemical composition:

Grade Chemical composition(%)
Co Cr W Ni



Si Mo Fe
Co 12 Bal 30 8.5 3.00 1.4 1.00 1.3 1.00 3.00
Physical Properties
Grade Density Melting Point
Co 12 8.53g/cm3 1200~1365C

Typical Characteristics:

Hardness Abrasion Resistance Deposit Layers Corrosion Resistance Machilityineab
HRC 43~49 Good 2 Layers Good Carbide Tools

Standard Sizes:

Diameter Diameter Diameter
1/8 (3.2mm) 5/32 (4.0mm) 3/16 (4.8mm)
Note that special sizes, or packing requirements are available on all requests.
AWS 5.21 ERCoCr-B , Mil-R-17131C / Type Mil-R-CoCr-B , UNS R3001
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