HJ151 is a kind of smelting-type ono-Mn Mid-Si and mid-F flux. It appears bulu=grey to dark –grey pumice-like particles with the mesh of 10-60(2-0.3mm).During the courses of welding direct=current main is adopted and welding wires or bands are connected to the positive electrode.It has the advantage in applicaton of good welding performance.fine detachability and fine appearance of bead.It is characterized by less C additon and less loss of Cr when used in the welding of austenitic stainless steel.

Usage:

It can be used in the strip surfacing in conjunction with austenitic stainless welding wires or bands.It is suitable for the build-up welding of nuclear containers and petrochemical equipment's corrosion-proof layers,for the surfaing of pressure vessels and manufacturing of hot-wall hydrogen furnaces,etc.It is also used in the repair welding of austenitic manganese steel in conjunction with HOOCr16Mn16 welding wire.

1.      Mechanical performance(see attached list)

2.      Cadditon on the surfacing layer<=1.01%,Cr loss<=1.5%

3.      After the sensitizing treatment,the intergranular-corrosion samples have passed the Test GB4334.5" Testing Ways to Stainless Steel Corroded by Suifuric Acid-Copper Sulphate" .