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mild steel electrodes
Related Product Searches:mild steel electrodes,High Quality,electrodes, metal materials
Chemical composition of melting metal:
C: 0.10%max
Mn: 0.3-0.6%
Si: 0.035% max
S: 0.035% max
P: 0.040% max
Reference Current:
Diameter(mm) Current
2.0 40-70
2.5 70-90
3.2 90-120
4.0 150-190
5.0 180-240
Applicantion:
Used to weld middle carbon steel and low alloy steel structure, such as 16Mn, 09Mn2Si etc.
Chemical Composition of melting metal:
C: 0.12%max
Mn: 1.60%max
Si: 0.75%max
S: 0.035%max
P: 0.040%max.
Reference Electric Current:
Diameter(mm) Electric current
2.5 60-90
3.2 90-130
4.0 150-190
5.0 180-230
Note:
Before welding, it's necessary to clean the work piece and remove the impurityes such as oil, grease rust and moisture, bake the electrode at the terperature of about 350 degree C for one hour, carried out under short arc and suitable for narow path. Using DC, the electrode must be connected with positive polarity.