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COATING TYPE - Basic with iron powder

AWS A 5.1:E 7018 ISO 2560-А-E 42 4 В 42 Н 5 ГОСТ 9466-75

Э 50А–УОНИ-13/55 ПЛАЗМА - Ø-УД

Е 515 БЖ 26

ТУ У 28.7-34142621-001:2008

  • spatter and burning losses of metal are compensated;
  • electrode consumption reduced by 10-15%.
  • deposition rate increased by 8-10 %.
  • slag does not flow into the molten pool, forming smooth weld seam thereby slag can be easily removed.

PURPOSE AND FIELD OF APPLICATION

Electrodes “УОНИ-13/55 Plasma” Designed for welding in all the spatial positions, except vertical down, of critical structures and pipelines made of carbon and low alloy steel with tensile strength from 500 MPa to 640 MPa, especially if hot cracks resistance of welding joints is needed. Are widely used in bridge building, shipbuilding, ship repairing and tanks production. 

APPLICATION CONDITIONS

Deposition rate factor – 10,5-11,5 g/А.hr. Electrode consumption per 1 kg of deposited metal is 1,58 kg. Nominal capacity up to 115%. Electrodes from 2 mm to 4 mm diameter designed for welding in all spatial positions except vertical down, 5 mm diameter electrodes – for horizontal flat, vertical flat, and vertical up positions.

REDRYING BEFORE WELDING

At the normal storage conditions, redrying is not required. In case of moisture redrying is made at 380-420°С for 60 min. Moisture content in the coating should not exceed 0,3%.

 

CHEMICAL COMPOSITION OF WELD METAL, %

Mn Si C P S
1.10-1.50 ≤ 0.40-0.70 ≤ 0.09 ≤ 0.030 ≤ 0.020

MECHANICAL PROPERTIES

Tensile strength, MPa Yield strength, MPa Elongation, %

Impact strength,

J / сm²

+20˚С

Absorbed striking energy, J

-40 ˚С

500-640 ≥ 420 ≥ 26 ≥180 ≥ 47

Welding should be done with DC of reverse polarity (“+” on electrode) or with AC current from a transformer with open-circuit voltage 70±10 V.

PACKAGING DATA

Diameter, mm Length, mm Welding current, А Number of electrodes in package, pc. Weight of packing, kg
2,0 300   164-167 2,0
2.5 350 70-110 106-108 2,5
3 350 80-150 61-64; 76-80; 151-156 2; 2.5; 5
3.2 350 90-170 69-71; 139-143  2.5; 5
4 450 120-200 72-75 5
5 450 170-250 48-50 5

 

PACKAGING DATA

PA PB PC PF

 

PE PD

 

ДСТУ EN ISO 6947

 

 
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