the ER307Si welding stick consists mainly of 18Cr8Ni6Mn.It belongs to stainless steel MIG and TIG welding wires and can be used to all-position welding.Du to high content of Mn,it has low sensitivity to crack and its suitable fir welding non-magnetic or high manganese steel and sclerosing corrosion resistance steel.Because of the Addition of Si, the molten iron flows well as to shape up more beautufully and to feed wire more somthly,with stable voltaic arc and little splatter.The deposited metal has steady mechanical property.