Google Answers: Alkaline Zinc Iron Electroplating steel castings made of SAE J 434 Grade D4512

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Q: Alkaline Zinc Iron Electroplating steel castings made of SAE J 434 Grade D4512 ( No Answer, 1 Comment )

Question

Subject: Alkaline Zinc Iron Electroplating steel castings made of SAE J 434 Grade D4512
Category: Science > Chemistry
Asked by: chromus-ga
List Price: $150.00

Posted: 02 Apr 2004 04:56 PST
Expires: 02 May 2004 05:56 PDT
Question ID: 323988

Describe in detail the process of cleaning, electrocleaning,
activating a steel casting prior to Zinc electroplating.  The castings
we want to plate weigh 35 pounds and have recessed areas.  They have
been wheelabraded prior to our cleaning.

Answer

There is no answer at this time.

Comments

Subject: Re: Alkaline Zinc Iron Electroplating steel castings made of SAE J 434 Grade D4512
From: patatite-ga on 14 Apr 2004 06:50 PDT

Usually, this requires a mixed sulfuric acid+phosphoric acid bath at
warm temperatures for "elctroerosion".
Then zinc can be applied.

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