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Superalloys

Osprey® 718

Osprey® 718 is an age-hardenable nickel-chromium superalloy with high strength and high corrosion resistance. It has reliable and consistent mechanical properties at elevated temperatures.

UNS
N07718
EN Number
2.4668

Powder designed for

  • Additive Manufacturing (AM)
  • Metal Injection Moulding (MIM)

This metal powder is manufactured by either induction melting under Vacuum Inert Gas Atomization (VIGA) or melting under argon prior to Inert Gas Atomization (IGA).

Technical data

Page updated Sep 18, 2023 10:27 AM CET (supersedes all previous editions)

Download datasheet PDF

  • Chemical composition (nominal), %
    Ni
    50.0–55.0
    Fe
    Bal.
    C
    ≤0.08
    Cr
    17.0-21.0
    Mo
    2.80-3.30
    Al
    0.20-0.80
    Ti
    0.65-1.15
    Nb
    4.75-5.50
    Co
    ≤1.00
    B
    ≤0.006
    Mn
    ≤0.35
    Si
    ≤0.35
    P
    ≤0.015
    S
    ≤0.015
    Other
    Cu ≤0.30

  • Powder characteristics and morphology

    Powder for Additive Manufacturing

    Osprey® metal powder for Additive Manufacturing is characterized by a spherical morphology and high packing density, which confer good flow properties. For powder bed processes these are essential when applying fresh powder layers to the bed to ensure uniform and consistent part build.

    For blown powder processes, such as Direct Energy Deposition (DED), good flow ensures uniform build rates. Tight control of the particle size distribution also helps ensure good flowability. Low oxygen powders result in clean microstructures and low inclusion levels in the finished parts.

    The powder morphology of Osprey® 718 powder, shown here for additive manufacturing, is typically spherical, with smooth surface and low level of powder satellites.

    Powder for Metal Injection Moulding (MIM)

    Osprey® MIM powder has a spherical morphology, resulting in high packing density. This enables the manufacture of feedstocks with high powder loading, which not only minimizes binder costs but also reduces part shrinkage during debinding and sintering. Spherical powder also has excellent flow characteristics, resulting in reduced tool wear and consistent mould filling.

    Osprey® MIM powder's low oxygen content allows better control of carbon and consistency during sintering. Low oxygen levels, together with high packing density, also facilitate faster sintering.

  • Particle size distribution

    Powder for Additive Manufacturing

    Osprey® metal powder for Additive Manufacturing is available in a wide range of particle size distributions that are tailored to the individual Additive Manufacturing systems. They can also be tailored to the particular requirements of the end application, both in terms of mechanical performance and surface finish.

    Typical particle size distributions for Additive Manufacturing.

    Typical particle size distributions for Additive Manufacturing
    Process technology Size (µm)
    Binder jetting ≤ 16, ≤ 22, ≤ 32, ≤ 38, ≤ 45
    Laser - Powder Bed Fusion (L-PBF) 15 to 53 and 10 to 45
    Electron beam - Powder Bed Fusion (E-PBF) 45 to 106
    Direct Energy Deposition (DED)

    53 to 150

    Powder for Metal Injection Moulding (MIM)

    Osprey® metal powder for Metal Injection Moulding (MIM) is available in a wide range of particle size distributions, from under 5 μm up to 38 μm. The table shows our standard particle size distributions for MIM powders.

    Typical particle size distributions for Metal Injection Moulding (MIM)*
    Size (μm) D10 (μm) D50 (μm) D90 (μm)
    ≤ 38 5.5 13.0 31.0
    ≤ 32 5.0 12.0 29.0
    80% ≤ 22 4.5 11.5 27.0
    90% ≤ 22 4.0 10.5 22.0
    90% ≤ 16 3.5 8.0 16.0

    *Particle size measurements performed using a Malvern laser particle size analyzer, typical D10, D50 and D90 provided.

    Tailor-made particle size distributions are available on request. Contact us to discuss your specific requirements.

  • Mechanical properties

    Typical mechanical properties of as-built and heat-treated material produced by Laser - Powder Bed Fusion (L-PBF) evaluated in room temperature. Heat treatment: solution annealed (980°C/1,796°F for 1h, air cooled) and aged (720°C/1,328°F for 8h, furnace cooled to 620°C/1,148°F for 8h and air cooled).

    Mechanical properties, metric units
    Condition Direction Yield strength (Rp0.2), MPa Tensile strength (Rm), MPa E-modulus, GPa1) Elongation (A), % Impact toughness, J
    As built Horizontal - - - - -
    As built Vertical 612 964 - 34.5 -
    Heat treated Horizontal 1,217 1,462 182 19.4 16.1
    Heat treated Vertical 1,145 1,365 166 22.3 29.3
    Mechanical properties, imperial units
    Condition Direction Yield strength (Rp0.2), ksi Tensile strength (Rm), ksi E-modulus, ksi1) Elongation (A), % Impact toughness, J
    As built Horizontal - - - - -
    As built Vertical 89 140 - 34.5 -
    Heat treated Horizontal 177 212 26 19.4 16.1
    Heat treated Vertical 166 198 24 22.3 29.3

    1) X103

    Typical mechanical properties for heat-treated Osprey® 718 material produced by Laser - Powder Bed Fusion (L-PBF) evaluated at 650°C/1,202°F.

    Tensile properties, metric units
    Condition Direction Yield strength (Rp0.2), MPa Tensile strength (Rm), MPa E-modulus, GPa1) Elongation (A), %
    Heat treated Horizontal 908 1,019 153 -
    Heat treated Vertical 896 1,064 129 5.3
    Tensile properties, imperial units
    Condition Direction Yield strength (Rp0.2), ksi Tensile strength (Rm), ksi E-modulus, ksi1) Elongation (A), %
    Heat treated2) Horizontal 132 148 22 -
    Heat treated2) Vertical 128 161 20 5.3

    1) X103

    Hardness

    Typical Vickers Hardness levels (ASTM E92, ISO 6507-1, JIS Z2244, GB/T 4340.1) as well as HRC values of Osprey® 718 material in the Laser - Powder Bed Fusion (L-PBF) as-built and solution-annealed conditions.

    Hardness
    Condition HV HRC
    As built 317 33
    Solution annealed 327 34
    Solution annealed and aged 478 47

  • Physical properties

    Wrought material data, typical values

    Density 8.19 g/cm³ (0.0.296 lb/in3)
    Thermal conductivity 11.4 W/mK
    Coefficient of thermal expansion1) 13 10-6K-1
    Melting range 1,260–1,336°C (2,300–2,440°F)

    1) In the range of 0–100°C (32–212°F)

  • Testing

    All Osprey® metal powders are supplied with a certificate of analysis containing information on the chemical composition and particle size distribution. Information on other powder characteristics is available upon request.

  • Packaging

    A wide range of packaging options is available, from 5kgs plastic bottles to 250kg metal drums.

    5 kg (11 lbs) Plastic bottles
    6 kg (13 lbs) Plastic bottles
    10 kg (22 lbs) Plastic bottles
    20 kg (44 lbs) Metal cans
    100 kg (220 lbs) Steel drums
    150 kg (330 lbs) Steel drums
    250 kg (551 lbs) Steel drums
    All packaging materials are suitable for air, sea and road freight.

    Contact us for more information and to discuss your packaging requirements.

Disclaimer: Data and recommendations are for guidance only, and the suitability of a powder for a specific process or application can be confirmed only when we know the actual conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Osprey® powder.

Osprey® Online

Buy Osprey® 718 for additive manufacturing from our online store, available directly from stock.

Range of superalloys

Osprey® Standards* Ni Fe C Cr Mo Al Ti Nb Co B Mn Si P S Other
625 UNS N06625 58.0 min ≤5.0 ≤0.1 20.0-23.0 8.0-10.0 ≤0.4 ≤0.4 3.15-4.15 (Nb+Ta) ≤1.0 - ≤0.5 ≤0.5 ≤0.015 ≤0.015 - 625
713C UNS N07713 Bal. ≤2.5 0.08-0.20 12.0-14.0 3.8-5.2 5.0-6.5 0.5-1.0 1.8-2.8 - 0.05-0.15 - - - - Zr 0.05-0.15 713C
718 UNS N07718 50.0–55.0 Bal. ≤0.08 17.0-21.0 2.80-3.30 0.20-0.80 0.65-1.15 4.75-5.50 ≤1.00 ≤0.006 ≤0.35 ≤0.35 ≤0.015 ≤0.015 Cu ≤0.30
80A UNS N07080 Bal. ≤3.0 ≤0.10 18.0-21.0 - 1.0-1.8 1.8-2.7 - ≤2.0 ≤0.008 ≤1.0 ≤1.0 - ≤0.015 Cu ≤0.2, Zr ≤0.15, Pb ≤0.003 80A
90 UNS N07090 Bal. ≤1.5 ≤0.13 20.0 - 1.0-2.0 2.0 - 18.0 - - - - - - 90
H-X UNS N06002 Bal. 18 ≤0.15 21.0 9.0 - - - 1.0 ≤0.008 ≤0.1 ≤0.1 ≤0.015 ≤0.015 W 0.7 H-X

* Information about more standards is available in the datasheet for the respective alloy.

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