I need to weld some 464 Naval Brass for a handrail that is being fabricated. I have an older Lincoln Tig 300/300 with a water cooled torch, 1/8" 2% Thorium Tungsten and Tri Mix Gas ( 2.5% CO2, 7.5% Argon 90% Helium). The material has been forged to 3/4" thick x 2 1/4" wide. It is impo...