Elecor® B 347

General description

Basic coated electrodes designed for welding austenitic corrosion-resistant steels AISI321, AISI347, AISI 304,  etc., that work in aggressive environment at temperatures up to 450 ° C. They are used for welding pressure vessels, pipelines, parts of equipment in the food and petrochemical industry, power machine-building, and power engineering.

Current type

DC (+)

Application Advice

Electrodes after removal from packing redry 2-4h 350 ± 25оС

Classification

AWS A5.4

:E347-15

EN ISO 3581

:E 19 9 Nb B 22

Welding positions

               

Packaging, available sizes and identification

 

Diameter (mm)

2.5

3.2

4.0

5.0

 

Length (mm)

250

350

350

450

Unit:

Pieces / unit (nominal)

370

175

110

95

Box

Net weight/unit (kg)

4.2

5.3

5.0

5.9

Chemical composition (w%), typical, all weld metal

C

Si

Mn

Cr

Ni

Nb

0.05

0.45

1.80

19.5

10.5

0.64

 

Mechanical properties, all weld metal

 

Condition

0,2% yield strength (N/mm2)

Tensile strength

(N/mm2)

Elongation (%)

Impact (ISO), J

Typical values after welding

AW

>350

>550

>25

>47