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AWS E6012

Description and Applications
H12 is a high oxide type electrode. Slag detachability, re-striking and bead appearance are good. For the welding of thin plates and light steel frames.
 
Guideline in Usage
1. Electrodes should be re-dried at 70 ~ 100℃ for 30~60 minutes before use. Excessive moisture absorption lowers usability and may result in some porosity.
2. For vertical downward welding, keep an angle of 40°~80° between the base metal and the electrode.
3. If slag detachability is not good due to welding base metals with narrow groove, please use lime Titania type electrodes, ex. NK 32, G03 instead of this electrode.
 
 
Typical Chemical Composition of Weld Metal(%)
C Si Mn P S
0.08 0.38 0.39 0.015 0.010
 
Typical Mechanical Properties of Weld Metal
Yield Strength
N/mm2
Tensile Strength
N/mm2
Elongation
390 465 28
 
Size & Recommended Current RangeAC
Diameter (mm)
2.0 2.6 3.2 4.0 5.0
Length (mm) 
300

350

350 400 450
Current (Amp) F 5070 70100 90130 150190 200240
V,OH 4560 6090 80100 140170