WELDING ELECTRODES T-590 (diameter 3; 4; 5 mm)
LEGEND:E-320H25S2GR-T590-Ø-NG
E-750 / P42-61-1
TECHNICAL REQUIREMENTS:GOST 9466-75, GOST 10051 and TU BY 100034500.012-2005
COATING:special
PURPOSE:
For welding steel and iron the wear of machine parts operating without shock loading conditions in abrasion. Surfacing produced at a lower position on the AC or DC straight polarity.
CHARACTERISTICS Electrodes:
arcing |
sustainable |
splashing degree |
moderate |
formation of the joint |
moderate |
Separation of the slag crust |
satisfactory |
deposition rate (in the lower position of the weld) |
8.5-9.0 g / Ah |
deposition rate (electrode diameter 4.0 mm) |
1,7-2,0 kg / h |
Electrode consumption per 1 kg of weld metal |
1.4 kg |
Chemical composition of deposited metal:
Element content, weight% |
||||||
Carbon |
Manganese |
Silicon |
Chromium |
boron |
Sulfur |
Phosphorus |
2.90-3.50 |
1.0-1.5 |
2.00-2.50 |
22,0-27,0 |
0.5-1.5 |
<= 0.035 |
<= 0.040 |
DIRECTIONS FOR USE:
In case of exceeding the permissible moisture content in the coating (0.7%) before use further electrodes are calcined at a temperature of 220-270 ° C for 60 minutes.
WELDING MODES:
Electrode diameter mm |
Welding current, A |
3 |
120-170 |
4 |
200-220 |
5 |
250-270 |
To avoid spalling surfacing steel parts should not produce more than two layers. For welding large thicknesses lower layers of deposited electrodes other marks, depending on the composition of the parent metal.
Metal tends to form small cracks do not reduce the operational resistance of the weld parts. Surfaced metal must be thoroughly cleaned from oxides, rust, grease, moisture, paint and other contaminants.
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