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Low Phos Electroless Nickel Plating Services

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Low Phos Electroless Nickel Plating Services
Low Phos Electroless Nickel Plating Services

TWR's Low Phosphorus Electroless Nickel is designed by the manufacturer to provide a high quality electroless nickel deposit from a highly stable plating solution. The bath plates at approximately 0.7-1.0 mil per hour, depositing nickel phosphorus coating that provides solderability, hardness, and engineering properties. The deposit hardness as plated, without heat treating is 750- 850HK100. If the deposit is heat treated, particles of Ni3P will precipitate and the coating crystallizes, resulting in a significant increase in the hardness and wear resistance.

Low Phosphorous Electroless Nickel Spec Sheet

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Nickel Content 97-99%
Phosphorous Content 1-3%
Internal Stress >Slightly Tensile
Tensile Strength 200-400 MPa
Elongation .5-1.5%
Modulus of Elasticity 55-65 GPa (2.8 X 108 psi)
Density 8.6-8.8 g/cm3
Melting Point 1250-1360°C (2282-2480°F)
Hardness As Plated - 750-850 HK100 (61-65 Rockwell C)
Heat Treatment - 900-1100 HK100 (67‑70+ Rockwell C)
Electrical Resistance 20-40uohms/cm2
Thermal Conductivity 0.015 cal/cm/sec/°C
Coefficient of Thermal Expansion 18-22 µm/m/°C
Magnetic Properties Magnetic
Taber Wear Resistance 7-13 (mg/1000 cycles-CS-10 Wheel, 100g load)
RoHS & ELV requirements for cadmium <100ppm, no mercuryand lead <1000ppm are met by this coating

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