Tuesday, October 12, 2010

[MW:7498] Minimum size & length of test coupon

Dear gents,
could any body help me regarding following issues,
1, Can we use 2 welders for WQT, for a 4" dia pipe test coupon if yes
,then what is the minimum size limit for the combined WQT,
2, Can I use less than 100mm test coupon (PIPE) for WQT, which have
only visual and R.T
Thanks and regards,
Suresh

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