Hello Everybody.
I need help. Hope somebody can.

I need to weld Super Duplex, (UNS S32750, P No. 10H) to Al-6XN (UNS N08367, P No. 45)

1.  Any recommendations for filler Wire?
2.  I welding PQR & WPS for the following 10H to P8,   10H to 10H,   P45 to P45,   P45 to P8,   P45 to P43. Can I use any of these to weld P10H to P45??

Appreciate your help. Thank you.