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Welding electrodes UONI 13/55 Plasma E7018-1

AWS A5.1: E7018-1 H8
EN ISO 2560-А-E 46 5 В 3 2 Н5
Terms of use
  • designed for welding in all spatial positions, except vertical down one, of critical structures and pipelines made of carbon and low-alloy steels
    with a tensile strength of 530 MPa to 680 MPa, especially if it is necessary to ensure high resistance of welded joints to cold cracks
Special properties
  • they are characterized by high strength of the weld metal, with special metallurgical purity and low hydrogen content in the deposited metal
  • the possibility of alternating current welding eliminates the effect of magnetic arc blow
  • stable electrode metal transfer during welding ensures improved
    weld joints formation
  • the slag does not flow into the welding bath, an even seam is formed,
    and the resulting slag crust is easy to remove
  • deposition rate factor: 0,18 – 0,20 g/А·min
  • consumption of electrodes per 1 kg of deposited metal: 1,4 – 1,6 kg
UONI 13/55 Plasma Е7018-1 electrodes are designed for critical structures welding made of carbon and low-alloy steels with an increased yield strength, operating under alternating loads at low temperatures of up to -50 ˚С. They are widely used in bridge construction, shipbuilding as well as pressure vessels production.
Package Weight
First select diameter
Packaging data
Diameter, mmLength, mmNumber of electrodes in a pack, pcs.Pack weight, kg
2,535084 – 88; 211 – 2212,0; 5,0
3,035060 – 63; 150 – 1582,0; 5,0
3,235055 – 60; 137 – 1492,0; 5,0
4,045093 – 965,0
Package Weight
First select diameter
Coating type
basic with iron powder
CHEMICAL COMPOSITION OF DEPOSITED METAL, %
According to AWS A5.1 / Typical Results
C
Carbon
0,09
Mn
Manganese
1,2
Si
Silicon
0,5
WEDGE METAL MECHANICAL PROPERTIES
According to AWS A5.1 / Typical Results
  • Tensile strength, MPa 530…680
  • Yield point, MPa ≥ 460
  • Relative elongation, % ≥ 20
  • Impact toughness KCU +20˚С, J/cm² ≥ 47
Baking before welding
  • permissible moisture content in the coating before use is not more than 0.3%
  • in case of electrode coating wetting above the norm - dry for 60 minutes at 400±10 °С
Welding modes
Welding current strength, A for electrodes with a diameter of, mm
2.53.03.24.0
70 – 10090 – 140100 – 150130 – 180

Welding should be carried out with direct current of reverse polarity, “+” on an electrode with an arc voltage of 23 - 27 V or alternating current from a transformer with an idle voltage of 70 V

Position of seams during welding
pa
pb
pc
pf
pe
pd
Package Weight
First select diameter

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