Dish end crack during spinning

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Chintan Raval

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Feb 18, 2020, 7:17:02 AM2/18/20
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Dear experts 

Kindly find attached photo of dish end

Seam start & Seam end location I found crack during spinning which is approx 30 mm deep 

Material Sa516 gr 70 
Thickness 50 mm
Weld process SMAW + SAW using E7018-1 & EM12K wire 
IMG-20200216-WA0008.jpg
IMG-20200216-WA0010.jpg
IMG-20200216-WA0011.jpg
IMG-20200216-WA0009.jpg

Charles Jacob

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Feb 18, 2020, 8:43:19 PM2/18/20
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Dear,

The photograph shows clear slag entrapped inside and on the sides. Polish the specimen to get a clear picture. Check out your voltage, and travel speed.  Those are the areas of improvement.  

In case of any help contact me. 

Regards, 

Charles V Jacob 

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