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Електроди зварювальні Monolith М-318

AWS A5.4: E318-16
EN ISO 3581-А-E 19 12 3 Nb R 1 2
CONDITIONS OF USE
  • electrodes are used during welding in all spatial positions, except for vertical from top to bottom
  • welding is recommended to be performed at the maximum possible speed without transverse oscillations of the electrode
SPECIAL PROPERTIES
  • provide weld metal that is resistant to intercrystalline corrosion
  • are characterized by high welding and technological properties: stable arc burning, easy slag removal, as well as good weld formation with a smooth transition to the base metal
  • surfacing coefficient: 0.15...0.20 g/A•min
  • consumption of electrodes per 1 kg of deposited metal: 1.3...1.6 kg
Electrodes of the Monolith M-318 brand are designed for welding co- fracture-resistant austenitic Cr-Ni-Mo stabilized with niobium steel lei, type 08Х16Н13М2Б, 03Х17Н14М2, 03Х17Н14М3, AISI 316Nb, AISI 316, AISI 318, etc., for parts working at temperature up to 400°C. Electrodes are used for welding tanks, pipes and equipment for the chemical, textile, and paper industries in environments where there are acidic, alkaline and saline solutions, and also for structures operating in sea water.
Package Weight
First select diameter
Packaging data
Diameter, mm Length, mm Number of electrodes in a pack, pcs. Pack weight, kg
2.5 350 43…46 1.0
3.0 350 30…32 1.0
3.2 350 28…31 1.0
4.0 350 18…19 1.0
Package Weight
First select diameter
Type of coating
rutile
Weld metal chemical composition, %
According to AWS A5.1 / Typical results
C
Carbon
≤ 0,08
Mn
Manganese
≤ 2,0
Si
Silicon
≤ 1,0
P
Phosphorus
≤ 0,030
S
Sulfur
≤ 0,025
Mo
Molybdenum
2,5…3,0
Cr
Chrome
17,0…20,0
Cu
Copper
≤ 0,75
Ni
Nickel
11,0…13,0
Nb+Ta
Niobium + Tantalum
8xC до 1,1
Weld metal mechanical properties
According to AWS A5.1 / Typical results
  • Tensile strength, MPa: ≥ 550
  • Yield strength, MPa: ≥ 350
  • Elongation, %: ≥ 25
  • Impact strength KV +20 ˚С, J ≥ 60
Re-drying before welding
  • permissible moisture content in the coating before use is no more than 0.2%
  • in case of wetting of the electrode coating above the norm - dry for 60 minutes at 400±10 °С
FERRITE NUMBER IN THE DEPOSITED METAL
5-15 FN
Welding parameters
Welding current strength, A for electrodes with a diameter of, mm
2.5 mm 3.0 mm 3.2 mm 4.0 mm
50-80 70-100 80-110 90-130
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 50 V
WELDING POSITIONS
PA
PB
PC
PF
PE
PD
Package Weight
First select diameter

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