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Electrodes OZN - 300

WELDING ELECTRODES OZN-300 (diameter 3; 4; 5 mm)

LEGEND: OZN-300-ND-Ø
                E -300 / 33-1-B40

TECHNICAL REQUIREMENTS:GOST 9466, TU BY 100034500.033-2011

COATING:main

PURPOSE:

Intended for welding parts made of carbon and low alloy steels are subject to wear and wrinkling (railway frog, shafts, axles, locomotive, wagon etc. parts.). Surfacing in the lower position direct current reverse polarity.

CHARACTERISTICS Electrodes:

arcing

sustainable

splashing degree

small

formation of the joint

a good

Separation of the slag crust

satisfactory

deposition rate (in the lower position of the weld)

8.0-9.0 g / Ah

deposition rate (electrode diameter 4.0 mm)

1,3-1,5 kg / h

Electrode consumption per 1 kg of weld metal

1.8 kg

Chemical composition of deposited metal:

Element content, weight%

Carbon

Manganese

Silicon

Sulfur

Phosphorus

0,13-0,17

3.0-3.5

Footprints

<= 0.020

<= 0.030

DIRECTIONS FOR USE:

Surfacing should be made on a short arc of the cleaned surface, as The weld metal is prone to the formation of pores.

In case of exceeding the permissible moisture content in the coating (0.7%) before use further electrodes are calcined at a temperature of 280-300 ° C for 40-60 minutes.

WELDING MODES:

Electrode diameter mm

Welding current, A

3

120-140

4

140-160

5

160-180

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