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VDM® Powder X is the powder variant of a nickel-chromium-molybdenum-iron alloy with cobalt and tungsten additions.

End Uses: Aerospace Materials

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Composition

VDM® Powder X contains low amounts of oxygen of up to 0.03%.

Features & Benefits

Labeling Claims
Features

VDM® Powder X is characterized by:

  • Spherical particles
  • High purity
  • Low oxygen content
  • Excellent oxidation resistance up to 1,200°C (2,190°F)
  • High-temperature strength
  • Good resistance to stress corrosion cracking
Corrosion Resistance

The corrosion resistance depends on the processing and heat treatment of the material. The conventionally produced VDM® Alloy X usually shows excellent oxidation resistance up to 1,200°C (2,190°F) and can be used in neutral as well as in reducing atmospheres. VDM® Alloy X is resistant in carburizing and nitriding atmospheres.

Applications & Uses

Base Chemicals End Uses
Applications

Due to its corrosion resistance in various atmospheres up to very high temperatures, and excellent high-temperature strength, VDM® Powder X finds wide application in high-temperature services.

Typical applications include:

  • Components for industrial and aircraft gas turbines (combustion chambers, honeycombs, housings etc.)
  • Industrial furnace parts, support rolls, grids, wire belts and radiant tubes
  • Pigtails in petrochemical furnaces
  • High-temperature gas cooled nuclear reactors

Properties

Physical Form
Chemical Properties
ValueUnitsTest Method / Conditions
Carbon Content0.05 - 0.15wt. %-
Cobalt Content0.5 - 2.5wt. %-
Chromium Content20.5 - 23.0wt. %-
Iron Content17.0 - 20.0wt. %-
Manganese Contentmax. 1.0wt. %-
Molybdenum Content8.0 - 10.0wt. %-
Phosphorus Contentmax. 0.04wt. %-
Sulfur Contentmax. 0.03wt. %-
Silicon Contentmax. 1.0wt. %-
Tungsten Content0.2 - 1.0wt. %-
Physical Properties
ValueUnitsTest Method / Conditions
Density (20°C)max. 8.3g/cm³-
Melting Range1,260 - 1,355°C-
Microstructural Properties

VDM® Powder X has a face-centered cubic structure.

Regulatory & Compliance

Designations and Standards
Standard

Material designation

EN

2.4665 – NiCr22Fe18Mo

ISO NiCr21Fe18Mo9
UNS N06002
AFNOR NC22FeD

Packaging & Availability

Availability

According to the AM process requirements of our customers, VDM® Powder X is available in a wide range of particle fractions from 15 to 250 μm.

Standard particle fractions

Particle size distribution
[μm]
Oxygen content
%

Porosity < 10μ (pore area)
%

15-53

< 0.03

< 0.5

53-150

 

VDM® Powder X - Availability