[MW:12636] Impact value at -59 Deg C reg

Good day to All,
 
We proposed to weld A182 F22 Material to F22 Material  80 KSI , Presently we have Impact value -29 Deg C is ok , Now my customer requirement -59 Deg C Impact value Avg 42 J/ Minimum 32 J, after PWHT 638 Deg C  4 Hrs minimum.

Process -SMAW & SAW

Presently used Consumables - E10018 D2 & AK 10 wires

 

Please give your suggestion which consumables / Brand, i can get the impact value.I refer the few suppliers consumables  certificates 100 %  weld metal impact value is equal or less than my requirement.

 

Thanks

Regards

E.Jegan