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Electrodes ЦТ - 15

WELDING ELECTRODES TST-15 (diameter 3; 4; 5 mm)

CLASSIFICATION: E-08H19N10G2B according to GOST 10052-75

LEGEND: E-08H19N10G2B-TST-15- Ø - WA
                               E-2453-B20

TECHNICAL REQUIREMENTS:GOST 9466-75, TU BY100034500.031-2011

COATING:main

PURPOSE:

For the welding of structures made of nodes austenitic steel grades H20N12TL, H16N13B, 12X18H9T, 12H18N12T and the like, working at a temperature of 570-650 ° C and high pressure, and also for welding steels of the same marks, when weld metal impose strict requirements of resistance to intergranular corrosion. In all spatial positions except the vertical "top - down", at a constant current of opposite 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 - 12.0 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

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

Type of heat treatment (t / a)

Tensile strength, MPa

Relative extension, %

Impact toughness J / cm2

Without t / o

540

24

78

Chemical composition of deposited metal:

Element content, weight%

Carbon

Silicon

Chromium

Manganese

Nickel

Niobium

Sulfur

Phosphorus

0,05-0,12

<= 1.3

18,0-20,5

1.0-2.5

8.5-10.5

0.7-1.3 <= 8 ° C

<= 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 280-330 ° C during 40-60 minutes.

WELDING MODES:

Electrode diameter mm

Welding current, A

joint position

Underwear

vertical

ceiling

3

80-100

70-90

70-90

4

130-160

120-150

120-150

5

180-220

170-200

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