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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

-

Welding SSSI 13/45 produce only a short length of the arc of cleared edges. Before use, the electrodes calcined at a temperature of 350-380 ° C; 1-2 hours.
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