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Електроди зварювальні Моноліт ТМЛ-3У

AWS A5.5: E8018-B2
EN ISO 3580-A-E CrMoV1 B 2 2
CONDITIONS OF USE
  • designed for welding in all spatial positions in a circumvertical way from top to bottom
SPECIAL PROPERTIES
  • ensure high resistance of the weld metal to the formation of pores, lengthened arcs
  • allow welding with an inclination of the edges of the base metal at least 15º
  • welding is performed with a short arc, the edges are cleaned before welding< /li>
  • surfacing coefficient: 0.16...0.18 g/A•min
  • consumption of electrodes per 1 kg of deposited metal: 1.4...1.5 kg
TML-3U electrodes are designed for manual arc welding by direct current of reverse polarity in all spatial positions, except for the vertical method from top to bottom, equipment and pipelines made of steel grades 12МХ, 15ХМ, 20ХМЛ, 12Х2М1, 12X1MF, 12X2MFB, 12X2MFSR, 20XMFL, 15X1M1F and 15X1M1FL, which work at temperatures up to 570 °C.
Package Weight
First select diameter
Packaging data
Diameter, mm Length, mm Number of electrodes in a pack, pcs. Pack weight, kg
3.0 350 91…95 2.5
4.0 450 81…85 5.0
Package Weight
First select diameter
Type of coating
basic
Weld metal chemical composition, %
According to AWS A5.1 / Typical results
C
Carbon
≤ 0,12
Mn
Manganese
0,50…0,90
Si
Silicon
0,15…0,40
P
Phosphorus
≤ 0,030
S
Sulfur
≤ 0,025
Mo
Molybdenum
0,40…0,70
V
Vanadium
0,10…0,30
Cr
Chrome
0,8…1,25
Weld metal mechanical properties
According to AWS A5.1 / Typical results
  • Tensile strength, MPa ≥490
  • Elongation, % ≥ 16
  • Impact strength KCU +20 ˚С, J /cm² ≥ 78,5
Re-drying before welding
  • permissible moisture content in the coating before use is no more than 0.4%
  • in case of wetting of the electrode coating above the norm - dry for 60 minutes at 400±10 °С
Welding parameters
Welding current strength, A for electrodes with a diameter of, mm
3.0 mm 4.0 mm
80…110 110…150
Welding should be carried out with a direct current of reverse polarity, "+" on the electrode with a voltage arc of 20...25 V.
WELDING POSITIONS
PA
PB
PC
PF
PE
PD
Package Weight
First select diameter

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