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Welding electrodes IND Basic

AWS A5.1: E7018 H8
EN ISO 2560-A-E 42 4 B 4 2 H10
Terms of use
  • designed for welding in all spatial positions, except from vertical up, of critical structures and pipelines made of carbon and low-alloy steels with a tensile strength of 500 MPA to 640 MPA, especially if it is necessary to ensure high resistance of welded joints to hot cracks.
Special properties
  • the special coating prevents moisture absorption, reduces the possibility of pore formation and guarantees a low hydrogen content in the seam
  • smooth current-voltage characteristic provides a stable arc during the operation
  • excellent weldability, easy separation of slag crust, low metal loss from spattering
  • the electrodes do not absorb moisture from the environment for 10...12 hours after opening the package
  • due to this, they do not need to be re-dried before use, and are also characterized by high strength of the weld metal, with special metallurgical purity and low hydrogen content in the deposited metal
  • deposition rate factor: 0,16 – 0,18 g/А·min
  • electrodes consumption per 1 kg of deposited metal: 1,3 – 1,4 kg
IND Basic electrodes are designed for welding critical metal structures, boilers and tanks operating under high pressure. They are also used in pipeline construction, shipbuilding, etc. The electrodes are resistant to moisture absorption.
Package Weight
First select diameter
Packaging data
Diameter, mmLength, mmNumber of electrodes in a pack, pcs.Pack weight, kg
2,535084 – 88; 105 – 110; 211 – 2212,0; 2,5; 5,0
3,035075 – 792,5
3,235055 – 60; 69 – 75; 137 – 1492,0; 2,5; 5,0
4,045071 – 745,0
5,045048 – 495,0
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
0.08
Mn
Manganese
1.2
Si
Silicon
0.5
P
Phosphorus
0.025
S
Sulfur
0.012
WEDGE METAL MECHANICAL PROPERTIES
According to AWS A5.1 / Typical Results
  • Tensile strength, MPa 500...640
  • Yield point, MPa ≥ 420
  • Relative elongation, % ≥ 20
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
2.53.03.24.05.0
70 – 10090 – 140100 – 150130 – 180170 – 230

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
Package Weight
First select diameter

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