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TST - 28

WELDING ELECTRODES TST-28 (diameter 3; 4 mm)

CLASSIFICATION: E-08H14N65M15V4G2 GOST 10052-75

LEGEND:E-08H14N65M15V4G2 -TST-28- Ø - WA
                                 E-000-B20

TECHNICAL REQUIREMENTS:GOST 9466-75, GOST 10052, TU BY100034500.073-2016

COATING:main

PURPOSE:

Electrodes CT-28, designed for welding equipment from heat-resistant and heat-resistant nickel-based alloys brands XH78T, HN70VMYUT and the like, as well as well as dissimilar metals (pearlite and chromium steel swith nickel-based alloys). In all spatial positions seam direct current reverse polarity.

CHARACTERISTICS Electrodes:

Coefficient surfacing - 10,0-11,0 g / A • ch.Proizvoditelnost deposition (for a diameter of 4.0 mm) - 12,0-14,0 kg / ch.Raskhod electrodes per 1 kg of deposited metal - 1.5 kg .

Typical mechanical properties all weld metal

Sre Ultimate, MPa

The yield stress sy, MPa

Elongation d5,%

The An Impact strength, J / cm2

700

430

28

130

Chemical composition of welded metal,%

Ni

C

Mn

Si

Mo

Cr

W

S

P

The basis

to 0.10

1.5-2.5

0.50

13,5-16,0

12,5-15,5

3.5-4.5

up to 0,018

up to 0,020

Welding in different positions and current, A

Diameter, mm

Underwear

ceiling

vertical

3.0

80-120

70-100

70-100

4.0

130-160

120-150

120-150

ABOUTSOBYE PROPERTIES:

Electrodes DH-28 provide a weld metal with high heat resistance (oxidation depth at 1000 ° C for 3000 hours is 0.1 mm) and high-temperature strength (creep rupture strength of 100 MPa at a temperature of 565 ° C for 10000 hours).

WELDING PROCESS FEATURES:

Welding is made narrow rollers width not exceeding 2.5 diameter of compulsory elektroda.Svarka after calcination: 190-210 ° C; 1 h.

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