[MW:2009] RE: 2003] Ferrite test

HI !

Ferrite  is tested by feretometer  for weld overlay of SS You get directly the Ferrite No/ Ferrite % Generally  3 places per seam and 2 per long seam

 

However second method is take a SS weld chips at above mentioned places and Test the elements by chemical analysis. And  Plot the NI  and Cr equivalent on De long Diagram available in SFA 5.4 in ASME sec IIC ( Check the elements mentioned in D Long Diagram)

 

Hegde P.B.

+919714714803 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Torkaman
Sent: Wednesday, April 22, 2009 12:32 PM
To: materials-welding@googlegroups.com
Subject: [MW:2003] Ferrite test

 

Dear All.

Could you pl. advice/ suggest  me about below mention items in ferrite test in stainless steel (Type 304L) overlay and clad restoring welds.

1.  Percent of test per weld seam/length and no. of measurement per test

2.  Method of calculating the average of measurements

 

Best regards,

M. Torkaman

 

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