KOVET-55 is a covered electrode with graphite type coating flux and Fe-Ni alloy rod. It is suitable for welding ductile cast iron, malleable cast iron and gray cast iron. It can be used for welding cylinders, engine block, gear box, etc. In addition, it only requires low electric current for heating.
Welding Electrode (for cast iron Ni55) KOVET-55
SKU: ELE03-55
Size
Chemical Composition
Composition
Weight (%)
C
≤0.20
Si
≤4.0
Mn
≤2.5
S
≤0.03
Fe
Bal.
Ni
45 - 60
Cu
≤2.5
Al
≤1.0
Typical Mechanical Properties
Tensile Strength (N/mm2)
Yield strength (N/mm2)
Vickers Hardness (HV30)
≥450
≥310
≥170
Product Code
ELE03-5526
ELE03-5532
ELE03-5540
Diameter (mm)
2.6
3.2
4.0
Length (mm)
300
350
350
Current range (A)
60 - 80
80 – 110
100 - 150
Packing (kg)
1 kg/tube
20 kg/carton
1 kg/tube
20 kg/carton
1 kg/tube
20 kg/carton
Graphite Types / Coated
ISO R 1071:
EC NiFe - 13
AWS:
A5.15 E NiFe-Cl
DIN:
8573 ENiFe - BG13
JIS:
DFCNiFe
Before welding, the electrodes should be baked for 1 hour with the temperature of 150±10°C
Use small current for welding to improve crack resistance and reduce impurities in base metal penetration weld.
