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Shielded metal arc welding of 22%Cr-12%Ni steel such as SUS309S.
Welding of dissimilar metals such as stainless steel and carbon steel or low alloy steel.
Characteristics on usage
NC-39 and HIMELT-309 are lime-titania type electrodes, and HIMELT-309 makes higher
welding efficiency by higher amperage.
As the weld metals contain larger quantity of ferrite in austenitic structure, the weld ability is
good and they provide good corrosion resistibility and good heat resistibility in as-welded
As the weld metals contain much quantity of alloying elements and have stable austenitic
structure, they are suitable where the dilution by a base metal of carbon steel or low alloy
steel is considerable.