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Tool and high-speed steel

Osprey® M2

Osprey® M2 is a high-speed steel alloyed with tungsten and molybdenum. It is typically used in drill bits.

A600, M2
EN Number

Powder designed for

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

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 18, 2023 11:19 AM CET (supersedes all previous editions)

Download datasheet PDF

  • Chemical composition (nominal), %

  • Powder characteristics and morphology

    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

    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

    Metal Injection Moulding (MIM)

    Feedstocks of M2 powders (80% -22 µm) were prepared by TCK using their proprietary binder formulation to achieve a powder loading level of 61.8% corresponding to a 17.4% shrinkage factor. The feedstocks were molded in an Arburg injection molding unit to produce green standard MIM tensile and Charpy test specimens.1

    A series of sintering cycles was run at temperatures in the range 1220–1250 °C with a standard heating profile of: 2 °C/min ramp to 1000 °C, 60 min hold, 2 °C/min ramp to sintering temperature, 60 min hold and furnace cool under a nitrogen atmosphere. 

    After austenitizing at 1190 °C and double tempering at 550 °C, samples were subject to tensile and hardness testing.

      Sintering temperature, °C Relative density, % Yield  strength, MPa Tensile strength, MPa Elongation, % Hardness, Hv/HRC

    Osprey® M2, 
    80% -22 µm

    1220 84.6 876 1205 1 428/43

    Osprey® M2, 
    80% -22 µm (heat-treated)

    1240 97.4 1263 1647 1.5 863/66

    Osprey® M2, 
    80% -22 µm (heat-treated)

    1250 99.9 1201 1330 - 874/66

     Additive Manufacturing (AM)

    Mechanical properties for Binder Jet (BJ) printed Osprey® M2 material, 90 % -22 µm powder, evaluated in room temperature in a heat-treated condition. Samples were printed by ExOne™.

      Relative density, % Hardness, HRC

    Osprey® M2
    Binder Jet
    (heat treated)

    98.5-99.5 62-65

    1Sintering and Properties of MIM M2 High Speed Steel Produced by Prealloy and Master Alloy Routes, Powdermet 2015; M.A. Kearns; K. Murray; V. Ryabinin; E. Gonzalez.

  • 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 tool and high-speed steel

Osprey® Standards* Fe C Cr Ni Mo Si Mn W V Co
M2 UNS T11302 Bal. 0.78-1.05 3.75-4.50 0.3 4.5-5.5 0.2-0.45 0.15-0.40 5.50-6.75 1.75-2.20 -
T15 UNS T12015 Bal. 1.5-1.6 3.75-5.00 0.3 1.0 0.15-0.40 0.15-0.40 11.75-13.00 4.5-5.25 4.75-5.25 T15
D2 UNS T30402 Bal. 1.4-1.6 11.0-13.0 0.3 0.7-1.2 0.6 0.6 - 1.1 - D2
A6 UNS T30106 Bal. 0.65-0.75 0.9-1.2 0.3 0.9-1.4 0.5 1.8-2.5 - - - A6
S2 UNS T41902 Bal. 0.40-0.55 - 0.3 0.3-0.6 0.9-1.2 0.3-0.5 - 0.5 - S2
H13 UNS T20813 Bal. 0.32-0.45 4.75-5.50 0.3 1.10-1.75 0.8-1.2 0.2-0.5 - 0.8-1.2 - H13

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

For more information

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