The white spherical phrase in microstructure is harmful which leads to slag stick.However the slag detachability is excellent when the white second phrase presents branched or skeleto...

• 熔渣的微观结构中,渣壳中白色球状相数量较少、白色第二相结构呈树枝状或方向性较强的骨架状和枝状结构时,不锈钢焊条的脱渣性能好。