Product Name
Ni95Al5 Thermal Spray Wire / 955 Nickel-Aluminum Bond Coat Wire
Grade / Equivalent
NiAl 955, Ni95Al5, TAFA 75B, PMET 885, MEC 885
Wire Chemistry (wt %)
Ni ≥ 95 | Al 4-5 | C ≤ 0.02 | Mn ≤ 0.2 | Si ≤ 0.2 | Fe ≤ 0.5 | O ≤ 0.005 | Others ≤ 0.5
Available Diameters & Tolerance
1.6 mm (-0 / +0.05 mm) | 2.0 mm (-0 / +0.05 mm)
Other sizes on request.
Typical Physical & Spray Properties
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Density: 8.83 g cm⁻³
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Elongation: 40 %
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Max. service temperature: 1 300 °C (short-term 1 390 °C)
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As-sprayed hardness: 200-260 HV
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Bond strength on mild steel: ≥ 55 MPa
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Oxide content after spraying: ≤ 3 %
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Surface finish: bright, smooth, free of draw-marks
Key Coating Characteristics
✔ Ultra-dense microstructure, porosity < 2 %
✔ Self-bonding to most iron & nickel-base substrates (no intermediate layer required)
✔ Forms in-situ Al₂O₃ scale → excellent high-temperature oxidation & corrosion resistance
✔ Outstanding thermal-shock & scuff resistance
Recommended Spray Parameters (Arc-Spray)
Voltage: 30-34 V | Current: 120-180 A | Air pressure: 0.55-0.65 MPa
Stand-off distance: 150-200 mm | Traverse speed: 200-400 mm s⁻¹
Main Applications
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Bond coat for ceramic top-coats (ZrO₂, Al₂O₃, Cr₂O₃) on gas-turbine blades, piston rods, boiler tubes
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Corrosion-resistant under-layer for chemical pump shafts, fan impellers, marine propellers
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Restoration of worn glass-moulds, forging dies, paper dryer rolls
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EMI shielding & conductive coatings in electronic housings
Packaging Options
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15 kg / 25 kg plastic spool (DIN 300) + vacuum foil + export carton
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50-250 kg steel coil, PE-wrapped + wooden pallet
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Custom labelling & bar-coding available
Standards Conformance
AMS 4778, ASTM B833, ISO 14919, GB/T 30566
Shelf Life & Storage
5 years in original unopened packaging; store < 25 °C, RH < 60 %, away from acids & sulphur.
MOQ & Lead Time
15 kg; 3-5 days ex-factory for ≤ 500 kg, 7-10 days for ≤ 2 t.
HS Code
7505.22.00
Product Tags:
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Ni95Al5 Thermal Spray Wire / 955 Nickel-Aluminum Bond Coat Wire Images
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