Wednesday, December 24, 2008

[MW:1418] ASME B31.3-2006 Ed. Fig. 328.5.2.c

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After welding, less than 1.5 mm gap is the cause to reject the weld after
RT?
If yes, in accordance which criteria?

Thanks...

Nebi ÖZHAN

e-mail:nozhan@cimtas.com.tr
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1 comment:

Anonymous said...

The gap needs to be 1.5mm before welding. The gap is there to prevent stress on the weld or parent material from expansion from heat.

If it is rejectable, i haven't seen the code yet that says so. Although it may be a customer requirement that there is some gap after welding to ensure that undue stress did not happen

[MW:35346] Cast-iron welding

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