Metal Spray Powder LA-7981-17.2 (-140 +325) NiCrAlFeMo 75/8/7/5/5, sintered

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SKU: LA-7981-17.2 Categories: ,

Coatings of LA-7981-17.2 produce machinable coatings that are resistant to abrasive wear, fretting and cavitation. This coating also exhibits good bond strength and good corrosion resistance. It is an excellent choice for Thermal Spray Repair.

Due to the binder-less manufacturing method of these one-step thermal spray powders, these metal powder coatingsproduce very little residue while spraying.

$26.95

Price Per lb
  • Material Specificaiton
  • Product Application
  • Useful Documents
  • Equivalents
  • Method
Material Specificaiton for LA-7981-17.2

Chemical Compositon Requirements (By weight percent)

ElementMinimumMaximumTarget
Aluminum6.00%7.50%6.75%
Boron---
Carbon7.50%--
Chromium7.50%11.50%9.50%
Cobalt---
Free Carbon---
Iron4.00%6.20%5.10%
Manganese---
Molybdenum4.00%6.50%5.25%
Nickel---
Oxygen---
Silicon---
Sulfur---
Tungsten---
Vanadium---

Rotap Sizing Requirements (Weight Percent Per ASTM B214)

U.S. Mesh Passing Sieve X Retained----
--140 Mesh-2.50%
140 MeshX170 Mesh--
170 MeshX200 Mesh--
200 MeshX230 Mesh--
230 MeshX270 Mesh--
270 MeshX325 Mesh87.50%-
325 MeshXD--

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

Micron ChannelMinMax
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Physical Properties Requirements

Testing ProcedureMinimumMaximum
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:

  • Thermal Spray Repair.

Equivalents:

  • Metco 444

Method:

  • Air Plasma Spray
  • Combustion
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