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The electrodes ОЗЛ - 8

WELDING ELECTRODES RLA-8 (diameter 3; 4; 5 mm)

CLASSIFICATION: E-07H20N9 according to GOST 10052-75

LEGEND:E - 07H20N9 - RLA-8- Ø - WA
                                                                     E - 2004 - B20

TECHNICAL REQUIREMENTS: GOST 9466-75, GOST 10052-75 and TU BY 100034500.014-2006

COATING: main

PURPOSE:

Intended for welding of corrosion-resistant CrNi steels 08H18N10, 12H18N9, 08Cr18Ni10Ti and the like, when the weld metal does not impose strict requirements of resistance to intergranular corrosion. In all spatial positions except the vertical downward 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)

10.0 - 13.0 g / Ah

deposition rate (electrode diameter 4.0 mm)

1,1-1,7 kg / h

Electrode consumption per 1 kg of weld metal

1.6 kg

The tendency of the weld metal to pore formation

Inclined with poor preparation of the joint and the extension of the arc

 

Typical mechanical properties of weld metal (at 20 ° C):

Tensile strength, MPa

Relative extension, %

Impact toughness J / cm2

Ferrite phase,%

550

thirty

100

5.0

 

Chemical composition of deposited metal:

Element content, weight%

Carbon

Silicon

Chromium

Nickel

Manganese

Sulfur

Phosphorus

No more

No more

0.09

0.3-1.2

18,0-21,5

7.5 - 10.0

1.0 - 2.0

0,020

0,030

 

DIRECTIONS FOR USE:

In case of exceeding the permissible moisture content in the coating (0.3%) before use further electrodes are calcined at a temperature of 300-330 ° C for 40-60 minutes.

 

WELDING MODES:

Electrode diameter mm

Welding current, A

joint position

Underwear

vertical

ceiling

3

90-110

80-100

80-100

4

120-150

100-120

100-120

5

180-210

160-190

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