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Ted Mooney, P.E. RET
Pine Beach, NJ
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for Metal Finishing since 1989
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Is Nickel Strike allowed before Cadmium plating heat treated bearing steel?
Q. Have problems with adhesion of cadmium plating over 52100 steel (1% C, 1.5% Cr). Advice from experts in the field suggest a Nickel strike which yields positive results. Because of the Cr content, can we classify the 52100 as being corrosion resistant and/or passive whereby Nickel striking would be permissible IAW AMS2400Y and AMS2401? Have run across articles stating that 52100 steel is corrosion resistant.
Marc A Pelissier- Springfield Massachusetts
December 15, 2020
A. Marc
AMS2400Y refers to 'corrosion-resistant steel or similarly passive materials' in allowing a nickel strike.
Depending on who you talk to, 'corrosion resistant' steel has approximately 10.5% or approximately 11% chromium content.
At 1.5% chromium, it might be an uphill battle trying to convince someone that 521200 was a corrosion resistant steel.
- Green Mountain Falls, Colorado
January 11, 2021
? Marc,
Please detail your preparation steps: solutions, concentrations, temperature, time, current/no current, polarity, etc.
Alex
- Lod, Israel
January 14, 2021
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