Saturday, May 23, 2009

[MW:2228] CHEVRON CRACK

 
IN FABRICATION SPECIFICATION OF MY PROJECT SAID THAT:FOR THICKNESS ABOVE 25mm IN SAW,WELD SHALL BE EXAMINED FOR DETECTION OF CHEVRON CRACK BY ULTRASONIC.
ACCORDING TO HEAT INPUT IN SAW IS HIGHER THAN SMAW,WHY IT SAID ONLY IN SAW?


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