MT 301 is silicon calcium neutral sintered flux allklinity is 1.0,gray spherical particles, ... 10-60mesh MT 301 is silicon calcium neutral sintered flux allklinity is 1.0,gray spherical particles,granularity is ... wire,e.g.H08MnA,H08A,etc,it is used for welding steel structures,such as boilers,pressure,vessels, ... bridges,oilcans,ships and so on.COMPOSITION OF THE FLUX(% SiO2+TiO2 CaO+MgO Al2O2+MnO CaF2 S ...