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Welding electrodes Monolith UONI 13/55 Plasma E7018-1

AWS A5.1: E7018-1
EN ISO 2560-А-E 42 4 В 4 2 Н5
CONDITIONS OF USE
  • electrodes with a diameter of 2.0 mm to 4.0 mm are designed for welding in all spatial positions except vertical from top to bottom, and with a diameter of 5.0 mm - for the bottom, horizontal on a vertical plane and vertical position from bottom to top.
SPECIAL PROPERTIES
  • electrodes are distinguished by increased welding performance and strength of the weld metal with special metallurgical purity and a low content of diffusible hydrogen in the deposited metal
  • the possibility of welding on alternating current excludes the effect of magnetic blowing
  • stable transfer of electrode metal during welding ensures low spatter, better weld formation and ease of welding
  • surfacing coefficient: 0,18…0,20 g/A•min
  • consumption of electrodes per 1 kg of deposited metal: 1,4…1,6 kg
Monolith 7018-1 electrodes are designed for welding of responsible structures and pipelines from carbon and low-alloy steels with a strength limit from 510 (74) - 590 (85) MPa (ksi), especially if it is necessary to ensure high resistance of welded joints against cold cracks. Widely used in bridge construction, production of pressure vessels, welding structural steel, general construction, boilers, pipes, power plants, marine industry
Package Weight
First select diameter
Packaging data
Diameter, mm Length, mm Number of electrodes in a pack, pcs. Pack weight, kg
2,0 300 162 – 164 2,0
2,5 350 105 – 110; 211 - 221 2,5; 5,0
3,0 350 75 – 79; 150 - 158 2,5; 5,0
3,2 350 69 – 75; 137 - 149 2,5; 5,0
4,0 450 71 - 74 5,0
5,0 450 48 - 49 5,0
Package Weight
First select diameter
Type of coating
basic with iron powder
Weld metal chemical composition, %
According to AWS A5.1 / Typical results
C
Carbon
≤ 0,09
Mn
Manganese
1,10…1,50
Si
Silicon
0,40…0,70
P
Phosphorus
≤ 0,030
S
Sulfur
≤ 0,020
Weld metal mechanical properties
According to AWS A5.1 / Typical results
  • Tensile strength, MPa 500 - 640
  • Yield strength, MPa ≥ 420
  • Elongation, %: ≥ 22
  • Impact strength KCU +20 ˚С, J /cm² ≥ 180
  • Impact strength KV -40 ˚С, J ≥ 47
Re-drying before welding
  • permissible moisture content in the coating before use is no more than 0.3%
  • if the electrode coating is moistened above normal, dry for 60 minutes at 400±10 °С)
Welding parameters
Current, A
2.0 2.5 3.0 3.2 4.0 5.0
50 – 70 70 – 100 90 – 140 100 – 150 130 – 180 170 – 230
Welding should be carried out with a direct current of reverse polarity, "+" on the electrode with an arc voltage of 23...27 V or alternating current from a transformer with an idle voltage of 70 V.
WELDING POSITIONS
PA
PB
PC
PF
PE
PD
Certification
Made according to the quality system, ISO 9001 certified
CWB certified to CSA W48: E4918-1 H8

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