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VDM® Powder 718 CTP

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Description

VDM® Powder 718 CTP is the powder variant of an age-hardenable nickel-chromium-iron-molybdenum alloy for use in additive manufacturing. Hardenability is achieved by means of admixtures of niobium, titanium and aluminum.


VDM® Powder 718 CTP is characterized by:

  • Spherical particles
  • High purity
  • Low oxygen content
  • Excellent resistance to stress corrosion cracking and pitting in chloride-containing media
  • Excellent resistance to stress corrosion cracking and sulfide stress cracking in sour (H₂S-containing) oilfield environments

Related Standards

Properties

General

Density ρ

8.26 g/cm³ at 20 °C

Material Information

Dimension

According to the AM process requirements of our customers, VDM® Powder 718 is available in a wide range of particle fractions from 10 to 250 μm. Standard particle fractions: 10-53µm, 53-150µm

Thermal

Melting point Tm

1270 - 1340 °C

Chemical properties

Element

Weight %

Comment

Fe

-

balance

Ni

50 - 55 %

Cr

17 - 21 %

Other

4.87 - 5.2 %

Nb+Ta

Mo

2.8 - 3.3 %

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Technological properties

Application areas

Due to its excellent corrosion resistance and its good workability, VDM® Powder 718 CTP is versatile in use in the oil and gas industry, in the offshore industry and in marine engineering. The conventionally manufactured VDM® Alloy 718 CTP has proven itself well, especially for oilfield completion equipment in very demanding environments containing H₂S, CO₂, and high chlorides. The alloy has also proven itself for highly stressed oilfield components.

Corrosion properties

As a result of the high chromium and molybdenum concentrations, conventionally manufactured VDM® Alloy 718 CTP has very good general corrosion resistance and pitting corrosion resistance in many environments. By virtue of its high nickel content, it also has good resistance against stress corrosion.

Other

VDM® Powder 718 CTP has an austenitic microstructure with multiple phases. By means of different heat treatments, graduated mechanical properties of the material can be achieved. The excellent mechanical properties of VDM® Powder 718 CTP result from the γ‘‘-formation during the precipitation hardening.

This material data has been provided by VDM Metals.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.