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vBQuiz - CuNi 70/30 overlay welding

 
Quiz Type:
Multiple Choice
Time Limit:
No Limit
Questions:
0
Total Taken:
0
Quiz Start Date:
08-28-2012
Quiz End Date:
No End Date
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Quiz Description

Please let me know if there are any experiences with CuNi 70/30 overlay welding on Carbon Steel* we are performing this overlay welding but there are porosities spread on weld metal surface?

Base metal : SA-105
Welding overlay material : 1st pass ERNiCu-7 + 2nd pass ERCuNi
GMAW ; shielding gas Ar 99.99%

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