Metal Powder > Copper Alloy > C90300
C90300 20μm-63μm
C90300 a.k.a "Navy G" is a lead-free tin bronze known for its excellent strength, wear resistance, and outstanding corrosion resistance, particularly in marine environments. These properties make it ideal for use in applications such as shipbuilding, naval hardware, and underwater components like bearings, bushings, and propeller components, where durability and resistance to seawater corrosion are critical. Additionally, C90300 powder can also be used for brazing and soldering.
Powder designed for
Cold Spray
Powder Bed Fusion
Directed Energy Deposition
Binder Jetting
MPW metal powder is manufactured utilizing our DirectPowder™ process. The mechanical only, high-yield, no-melt technology maintains the microstructure and temper of the bar stock material, yielding a consistent size and shape and narrow particle size distribution.
Technical Data
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Element Weight %
Cu Bal.
Pb ≤ 0.30
Sn 7.5% - 9.0%
Zn 3.0% - 5.0%
Fe ≤ 0.2%
P ≤ 0.05%
Ni ≤ 1.0%
Al ≤ 0.005%
S ≤ 0.05%
Sb ≤ 0.20%
Si ≤ 0.005%
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Nominal particle size: 20-63 µm. Other tailored PSDs available upon request.
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Laser Diffraction: ASTM B822/ISO13320, Results Pending
Apparent Density: ASTM B329, 2.8 g/cm3
Tap Density: ASTM B527, 3.7 g/cm3
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Material shall be packaged in UN-certified 3.6L HDPE CurTec containers. Containers shall be marked with the following: Material Designation, Batch Number, Particle Size, Quantity (kg), and Customer PO Number. Other packaging available depending on order requirements.