Sunday, February 20, 2011

[MW:9948] demagnetize 9Cr tube

Hi Members,

We are suffering a problem in tube. The tube is 9Cr material is
magnetised.

We are not able to proceed welding of the tube.

We are not sure how it is happened. How can we demagnetise the tube.
.
Kindly request the solution from experts. and if the heat treatment is
the only solution, what's the curie temp. of 9Cr.?

Thanks & Regards
Bandar

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