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Bond Coating for Metal Spray





June 6, 2010

We are undertaking twin wire arc spraying for which bond coat is required.At present
we are using molybdenum wire for bond coating.Can we replace molybdenum with SS 310
as 310 is meant for joining dissimilar metals.We would like to have your expert advise.
Since molybdenum is very expensive,the idea to change over to less expensive material
is for cost consideration and competitiveness.

Gurmit Singh
Job Shop for Metal Spray - Bareilly, UP, India



June 9, 2010

Molly for a bond coat is a bad idea in my experience. It may be required in your application. Flame or plasma spray on SS normally would call for one of the proprietary nickel aluminide coatings for a bond coat.

James Watts
- Navarre, Florida


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