STELLITE ALLOY 21
Characteristics.
- Alloys composed of different proportions of cobalt, nickel, iron, aluminum, boron, carbon, chromium, manganese, molybdenum, phosphorus, sulfur, silicon, and titanium.
- There are different grades and most of the alloys get to have from 4 to 6 of these elements.
- It’s a hard coating alloy created to enhanced resistance to metal wearing.
- Resistant to rust, abrasion, and corrosion.
- Used in different applications: machinery parts resistant to acids, lathe tool fabrication, pump sleeves, rotary seal rings, saw blades, turbine blades, etc.
Shape or Presentation
- Bar
- Welding wire
- Powder
- Electrods
- Cast parts, etc.
Chemical Composition %
- Co
- Ni
- Fe
- C
- Cr
- Mn
- Si
- Mo
- Balance
- 2.5
- 3 max
- 0.25
- 27
- 1
- 1.5
- 5.5
Stellite Alloy 21
- Resistant to rust and reducing atmospheres up to 2100°F.
- Excellent resistance at high temperatures.
*Stellite is a registered brand from Deloro Stellite Company.