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Austenitic stainless steel

Osprey® 304L

Osprey® 304L is an austenitic chromium-nickel steel with a low carbon content. It has good corrosion resistance and is essentially non-magnetic.

UNS
S30400, S30403
ASTM, AISI
304, 304L
EN Name
X 5 CrNi 18-10,X 2 CrNi 18-9
EN Number
1.4301, 1.4307

Powder designed for

  • Additive Manufacturing (AM)
  • Cold spray
  • Hot Isostatic Pressing (HIP)
  • Metal Injection Moulding (MIM)
  • Sintered metal filters and foams

This metal powder is manufactured by Inert Gas Atomization (IGA), producing a powder with a spherical morphology which provides good flow characteristics and high packing density.

Technical data

Page updated Sep 8, 2023 7:58 AM CET (supersedes all previous editions)

Download datasheet PDF

  • Chemical composition (nominal), %

    Fe
    Bal.
    C
    0.03
    Cr
    18.0-20.0
    Ni
    8.0-12.0
    Mo
    Si
    1.0
    Mn
    2.0
    S
    0.03
    P
    0.045
    Other
  • 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.

    Powder for Cold spray

    Osprey® metal powder forcold spray is characterized by a spherical morphology and good flow properties. Accurate control of the powder composition and particle size distribution ensure consistent performance both throughout a single batch as well as between different batches of the same alloy.

    Powder for Hot Isostatic Pressing (HIP)

    Osprey® HIP powder has a spherical morphology, resulting in high packing density. In addition, the powder has a low oxygen content and low impurity levels, resulting in a metallurgically clean product with enhanced mechanical performance.

    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.

    Powder for sintered metal filters and foams

    Osprey® metal powder for sintered metal filters and foams is characterized by a spherical morphology, which results in excellent packing density during processing. Accurate control of the powder composition and particle size distribution ensure consistent performance both throughout a single batch as well as between different batches of the same alloy.

  • 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 Cold spray

    Osprey® metal powder for Cold spray is available in a wide range of particle size distributions, from 5 μm to 45 μm. Our standard range of Cold spray powder includes the following particle size distributions:

    • 20 to 45  µm
    • 15 to 38 µm
    • 10 to 32 µm
    • 5 to 25 µm

    Powder for Hot Isostatic Pressing (HIP)

    Osprey® powder for Hot Isostatic Pressing (HIP) is available in a broad size range, typically <250 microns, resulting in a high packing density and tap density. Low oxygen levels, together with high packing density, also facilitate faster sintering.

    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.

    Size (μm) D10 (μm) D50 (μm) D90 (μm)
    Typical particle size distributions for Metal Injection Moulding (MIM)*
    ≤ 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.

    Powder for sintered metal filters and foams

    Osprey® powder for sintered metal filters and foams is available in a wide range of particle size distributions tailored to the requirements.

     

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

  • 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.

Range of austenitic stainless steel

Osprey® Standards* Fe C Cr Ni Mo Si Mn S P Other O
304L UNS S30400 / S30403 Bal. 0.03 18.0-20.0 8.0-12.0 - 1.0 2.0 0.03 0.045 - -
N-60 UNS S31800 Bal. 0.1 16.0-18.0 8.0-9.0 - 3.5-4.5 7.0-9.0 - - N 0.08-0.18 - N-60
N-50 UNS S20910 Bal. 0.03-0.05 20.5-22.0 11.7-13.0 2.0-2.5 0.2-0.6 4.0-5.5 ≤0.015 ≤0.040 Ta ≤0.10, Ti ≤0.02, Sn ≤0.03, W ≤0.15, Cu ≤0.75 - N-50
PANACEA - Bal. ≤0.05 16.5-17.5 ≤0.10 3.0-3.5 0.40-0.80 10.5-11.5 ≤0.04 ≤0.04 Co ≤0.05, N 0.15-0.60, Nb ≤0.73 <0.2 PANACEA
HK30 JIS J92403 Bal. 0.25-0.35 23.0-27.0 19.0-22.0 0.5 0.75-1.75 1.5 - - Nb 1.20-1.50 - HK30
1.4882 UNS S63019 Bal. 0.5 21 4.5 - 0.3 9.0 ≤0.05 ≤0.03 - - 1.4882
316L UNS S31600 / S31603 Bal. ≤0.03 16.0-18.0 10.0-14.0 2.0-3.0 ≤1.0 ≤2.0 ≤0.03 ≤0.045 N ≤0.10 - 316L
904L UNS N08904 Bal. 0.02 19.0-23.0 23.0-28.0 4.0-5.0 1.0 2.0 0.035 0.045 - - 904L
316Ti UNS S31635 Bal. 0.08 16.0-18.0 10.0-14.0 2.0-3.0 1.0 2.0 - - Ti 0.7,N 0.25 - 316Ti
310S UNS S31008 Bal. 0.08 24.0-26.0 19.0-22.0 - 1.5 2.0 0.03 0.045 - - 310S

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

For more information

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