Post heating. Not required
On 21-Jun-2014 9:18 AM, "rajesh s. mhaske ,Engineer Welding ,PUNE,INDIA" <rajesh.mhaske17@gmail.com> wrote:
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Dear sir
thickness and OD : 323 od* 70 mm thk
welding process : GTAW+SMAW
Material : SA106 Gr B
Preheating : 100 deg c
weld deposition : for GTAW : 4 mm, SMAW : 66 mm
Question :
1) Is the preheat maintenance (post heating ) is required for above material
2) If YES, what is time and temp plz send the back up
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