... brazing Cu-Al,Al-Al,Al-Steel,Al-Stainless,ect.Φ 2.0500g/Roll 2roll/box02055-10%Φ 1.82-3kg/roll 2roll ... to braze Cu-Al,Al-Al,Al-Stainless steel,ect. Φ 2.0500g/roll 2roll/boxΦ 1.63kg/roll 2roll/box150—420 ... -490Φ 2.08kg/roll 1roll/boxBrazing pasteFU312C——415-443To be matched with ... 500g/bottleFU312E450-58012bottle/box copper-Alumunum flux-cored welding round ring