Description： Type of CrMoVNb with coating of low sodium hydrogen pearl light
heat-resistant steel electrode.DC reverse connection.Short arc with
all position welding.Workpiece shall be preheated about 250-300℃
before welding and tempering at 730±15℃ after welding process.
Application: WER337 Heat-resistant Steel Electrode apply to weld type of 15CrMoV
pearl light heat-resistant steel with working temperature below
Chemical composition of Deposited metal(％):
Mechanical Performance of deposited Metal(760±15℃×2H tempering)
※ Deposited metal diffusion hydrogen content:≤6.0ml/100g (Method of
※ X ray flaw detection requirement：LevelⅠ
Notes:(Ⅰ)Please bake WER337 Heat-resistant Steel Electrode for 1
hour at about 350℃ before welding .(Ⅱ)Clean the surface to be
welded thoroughly to remove surface contaminations.