Submerged arc welding flux F7A4

Detailed Product Description

ASW F7A4 is a kind of fluoride-alkline type slag serial sintered flux,mesh 10-60(2-0.3mm).It has great capacity of sulphur removal,phosphor removal and anti-rust.It has good performance ,easy to deslag and with fine appearance of weld,even in the narrow gap of deep slope entrance . The metal welding seam has good plastic -toughness,with low diffusion of hydrogen and fine cold and heat crack resistance.

It can be applied to different welding wires and and fit for welding of low carbon steel and low alloy steel .Moreover,it can be used for fast welding of pipeline steel and for welding of thick structures of different high-tensile steel.