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[MW:33146] Need a documentary evidence for IGC tests-reg

By Materials & Welding
Dear Friends,

we are procuring forgings from leading forgimg supplier for valve making, while asking the IGC test for SS forging of SS304 & SS316. shall we follow thw below test condition ?  or else, please give me your commnets with documentary proof. 

1.  Eash heat no of body & bonnet,  one IGC-B test to be carried out 
2. Each heat treatment batch of body &bonnet - one IGC-E test to be carried out.
 
Whether above condition is coorect? or give me condition with proof. 

Regards,
Sankaran.SP
Coimbatore, India. 

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