[MW:19600] Duplex UNS 31803 - FCAW Shielding Gas

Dear Welding Experts ,

Could you please share quite urgently that,

which shielding gas is best applicable for FCAW-GS for welding Duplex material grade UNS 31803 ( P No. 10H ) and why ?

Also, share the best Preheat method for high alloy steels to remove moisture and for high thk joint applications .

Awaiting for your reply.

Thanks and Regards,

Saravanan,

Korea.

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