MR - 3C
WELDING ELECTRODES MR - 3C (diameter 2; 2,5; 3; 4; 5 mm)
CLASSIFICATION: E46 in accordance with GOST 9467-75
LEGEND: E46-3 MR3SØ UD
E 430 (3) - P26
PURPOSE:TECHNICAL REQUIREMENTS: GOST 9466-75, GOST 9467-75 and TU BY 100034500.025-2010
COATING: rutile
This rutile-cellulosic electrodes for welding of carbon and low-alloy steels having a strength up to 450 MPa. Electrodes provide welding in all positions AC and DC either polarity.
CHARACTERISTICS Welding electrodes MR-3C:
deposition rate - 8.0 - 9.0 g / Ah.
Deposition rate (for a diameter of 4.0 mm) - 1.2 - 1.6 kg / h.
Flow of MR-3C electrodes per 1 kg of deposited metal - 1,7 kg.
Typical mechanical properties all weld metal Welding electrodes BRANDS MR-3C.
temporary SB resistance, MPa |
relative Lengthening d5,% |
The An Impact strength, J / cm2 |
450 |
22 |
108 |
Chemical composition of welded welding electrodes MR-3C weld metal,%.
C |
Mn |
Si |
S |
P |
0.08-0.12 |
0.5-0.9 |
0,07-0,20 |
0,030 |
No more than 0,030 |
GEOMETRIC DIMENSIONS AND CURRENT WELDING ELECTRODES MR-3C.
Diameter brand MR-3C, mm |
Length mm electrodes |
Current A MR-3C |
The average number Electrode 1 kg pcs. |
2.0 |
350 |
30 - 80 |
94 |
2.5 |
350 |
50 - 90 |
53 |
3.0 |
350 |
70 - 120 |
38 |
4.0 |
450 |
110-160 |
19 |
5.0 |
450 |
150-200 |
12 |
Welding is produced on the average length of the arc from the electrode to tilt toward the direction of welding (back angle).
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