Chrome Carbide Powders – 75Cr3C2 25NiCr – LA-CRN1-19 (-140 +10u) Cr3C2-NiCr 75/25, blend

Chrome Carbide Powders – 75Cr3C2 25NiCr – LA-CRN1-25 (-325 +15u) Cr3C2-NiCr 75/25, blend

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SKU: LA-6875 Categories: ,

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  • Material Specificaiton
  • Product Application
  • Useful Documents
  • Equivalents
  • Method
  • REVIEW
Material Specificaiton for LA-CRN1-25

Chemical Compositon Requirements (By weight percent)

Element Minimum Maximum Target
Aluminum - - -
Boron - - -
Carbon 10.20% - 10.20%
Chromium 72.40% 74.00% 73.20%
Cobalt - - -
Free Carbon - - -
Iron - 0.80% 0.40%
Manganese - 0.50% 0.25%
Molybdenum - - -
Nickel 15.00% 16.00% 15.50%
Oxygen - - -
Silicon - 0.40% 0.20%
Sulfur - - -
Tungsten - - -
Vanadium - - -

Rotap Sizing Requirements (Weight Percent Per ASTM B214)

U.S. Mesh Passing Sieve X Retained - - Min. Max.
- - 140 Mesh - 0.80%
140 Mesh X 170 Mesh - 12.00%
170 Mesh X 200 Mesh - -
200 Mesh X 230 Mesh - -
230 Mesh X 270 Mesh - -
270 Mesh X 325 Mesh - -
325 Mesh X D 19.00% -

Sub-Sieve Sizing Requirements (Volume Percent Per ASTM B822)

Micron Channel Min Max
-44 μ 9.00% 15.00%
-22 μ - 1.00%
-5.5 μ - -
- - -
- - -
- - -
- - -

Physical Properties Requirements

Testing Procedure Minimum Maximum
Hall Flow (per ASTM B213) - -
Apparent Density (per ASTM B212) - -
Mean Value (per ASTM B222) - -
D10 (per ASTM B222) - -
D50 (per ASTM B222) - -
D90 (per ASTM B222) - -

These products are ideal for:

  • Turbine air seal rings
  • Turbine exhaust valve seats
  • Turbine struts

Equivalents:

  • Metco 81VF-NS, Amdry 305, CRC-106

Method:

  • Air Plasma Spray, HVOF
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Chrome Carbide Powders – 75Cr3C2 25NiCr – LA-CRN1-19 (-140 +10u) Cr3C2-NiCr 75/25, blend