Monday, December 26, 2011

Re: [MW:13316] RE: 13288] To increase hardness of Heat Exchanger fin

Dear Madam Desmukh,

Since your working temperature is about 450 deg. C & you have erosive
atmosphee, you
may try Titanium grade 9 alloy. Hardfacing alloys can be used but they
lower thermal conductivity & corrosion resistance.

S.N.Bagchi
snbagchi@aol.in


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[MW:34919] Welder qualification certificate

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