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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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