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Electrodes ANO - 21

Welding electrodes ANO - 21 (diameter 2.5; 3, 4; 5 mm)

CLASSIFICATION: E46 in accordance with GOST 9467-75

CONTINGENCIES OBOZNAENIYA: E46 - ELN-21 - Ø - UD
                                                                E 431 (3) - P11

TECHNICAL REQUIREMENTS: GOST 9466-75 and TU BY 100034500.074-2016

COATING: rutile

PURPOSE:

ANO-welding electrodes 21 are intended for the welding arc, splice, lap joints of metal of 1-5 mm thickness in all positions, including vertical joints method "top-down".

CHARACTERISTICS Electrodes:

arcing

sustainable

splashing degree

small

formation of the joint

a good

Separation of the slag crust

good

The tendency of the weld metal to pore formation

low

deposition rate (in the lower position of the weld)

8.0-9.0 g / Ah

deposition rate (electrode diameter 4.0 mm)

1,2-1,6 kg / h

Electrode consumption per 1 kg of weld metal

1.7 kg.

Typical mechanical properties all weld metal (at normal temperature)

Tensile strength, MPa

Yield strength, MPa

Relative extension, %

Impact toughness J / cm2

450

360

18

78

Chemical composition of deposited metal:

Element content, weight%

Carbon

Manganese

Silicon

Sulfur

Phosphorus

No more

0,35-0,80

No more

0.12

0.35

0,030

0,035

DIRECTIONS FOR USE:

Have a low penetrating power. Allows welding on the oxidized surface.


WELDING MODES:

Electrode diameter mm

Welding current, A

joint position

Underwear

vertical

ceiling

2.5

60-90

50-80

50-80

3.0

90-130

80-110

80-110

4.0

140-180

120-160

120-160

5.0

170-220

150-190

-

Welding method "top-down" is performed journalled, the electrode must be in bissektrisnoy plane at an angle 40-70 ° to the direction of welding. Calcination welding electrodes ANO-21 prior to welding: 120 ° C; 1 h.

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