welding flux HJ350 this flux is suitable for welding of gascylinders , membrane water-cooled wall of boilers, etc welding flux ZT.HJ350HJ350(Medium Manganese-oxide flux) In accordance with GB/T12470-03 F5014-H10Mn2 Equivalent to AWS F6A0-EH14 JIS YSE-W41 DESCRIPTION: ZT.HJ350 is a fused type medium manganese-oxide flux with virtreous granules of red dish brown to light yellow color about 8-40 ...