UONI 13/45
WELDING ELECTRODES UONI 13/45 (diameter 2; 2,5; 3; 4; 5 mm)
CLASSIFICATION:E42A in accordance with GOST 9466
LEGEND: E42A - SSSI 13/45 - Ø - UD
E 412 (4) - B20
TECHNICAL REQUIREMENTS: GOST 9466-75, GOST 9467-75, TU BY 100034500.062-2016
COATING: main
PURPOSE:
Welding electrodes UONI 13/45 intended for welding of critical constructions of carbon and low-carbon steel, when the metal joints impose increased requirements on the ductility and toughness. In all spatial positions seam direct current reverse polarity.
CHARACTERISTICS Electrodes:
arcing |
sustainable; |
splashing degree |
small |
formation of the joint |
good; |
Separation of the slag crust |
good |
The tendency of the weld metal to pore formation |
low; |
deposition rate |
9.0 g / Ah; |
deposition rate (electrode diameter 4.0 mm) |
1,2-1,6 kg / h; |
Electrode consumption per 1 kg of weld metal |
1.6 kg; |
Typical mechanical properties of weld metal (at 20 ° C):
Tensile strength, MPa |
Yield strength, MPa |
Relative extension, % |
Impact toughness J / cm2 |
420 |
375 |
22 |
150 |
Chemical composition of deposited metal:
Element content,% |
||||
Carbon |
Manganese |
Silicon |
Sulfur |
Phosphorus |
<= 0.12 |
0,35-0,75 |
0,12-0,30 |
<= 0.030 |
<= 0.030 |
DIRECTIONS FOR USE:
Provide a weld metal with a high resistance to the formation of cracks and crystallization low hydrogen content.
WELDING MODES:
Electrode diameter mm |
Welding current, A |
||
joint position |
|||
Underwear |
vertical |
ceiling |
|
2 |
50-80 |
40-60 |
40-60 |
2.5 |
70-90 |
60-80 |
60-80 |
3 |
100-130 |
90-120 |
90-120 |
4 |
130-180 |
120-160 |
120-160 |
5 |
170-210 |
160-210 |
- |
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