Friday, March 4, 2011

[MW:10142] Re: Heat Affected Zone calculation.


Dear seniors,

I want your advice for below mentioned issue.
I am in offshore project and installing offshore Platforms.
During PILE of Jacket welding (Dia 1085 mm  X 50 mm Thk), the gap remains between butt weld joint (Top side) (size-50 mm) and Fillet weld joint (size-60 mm) (Bottom side) (Pile to jacket top joint) is only 57 mm.
Is the HAZ of both welds overlaps with each other?
Is there any calculation for calculating HAZ for fillet and Butt weld joints? Also mentioned the standard?
Our reference standards are:  API RA 2A for offshore installation and AWS D 1.1 for Structures. 

Please advice urgently.

  

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