My client requested to weld at ASTM A 312 TP-347 material with
consumable ER-308H but i have one wps which is base material TP-347
with consumable ER-347.
Our conventional practice TP-347 material with filler ER-347 because
this material has stabilizing component NIOBIAM.
Client is insisting us to weld with ER-308H even they are not approve our wps.
Can provide some metallurgical information of ER-308H/ER-347 filler
material of the above mention subject.
Thanks in advance
Regards
Pradip Kr. Sil
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