CEWELD


OA 56 Nb FCAW Flux-Cored




OA 56 Nb

 
CATEGORY 
 
TYPE 
High-alloyed tubular wire on a C-Cr-Nb-W-V carbide basis against schock and abrasion.
APPLICATIONS 
Rebuilding and hardfacing wornout parts that faces heavy shock and abrasion at the same time.
PROPERTIES 

Very good wear resistance against abrasion combined with impact. The deposit gives already a very good hardness in the first layer thank to the Nb carbides. The choice for the buffer layer is depending on the base metal and not always necessary.
 

CLASSIFICATION
AWS 
A 5.21:
EN ISO 
14700: T Fe8
DIN 
8555: MF 6-55-GP
SUITABLE FOR 

55-57 HRc hardfacing alloy against shocks and mineral wear, Cement rollers and crushers, Mineral and brick crushing industry, Screw conveyers, carbidge recycling etc.

APPROVALS 
CE approved
WELDING POSITIONS: 
WELD METAL ANALYSIS %

C

Mn

Si

Cr

Nb

V

W

     

1.40

.1.30

0.70

6.50

8.0

1.0

1.2

     
MECHANICAL PROPERTIES

Heat

RP0,2

Rm

A5

Impact Energy (J) ISO-V

Hardness

Treatment

(N/mm2)

(N/mm2)

(%)

-20°C

-40°C

-60°C

HRc / HV

AW

           

55-57 HRc

AW: as welded
REDRYING TEMPERATURE 
150°C / 24hr.
WELDING PARAMETERS / PACKING

Welding Parameters

Packing

D (mm)

Voltage (V)

Current (A)

spooling type

kg / spool / drum

1.2

18-24

100-220

S-300 / Coil B-450 / Drum

15 / 30 / 300

1.6

20-26

160-260

S-300 / Coil B-450 / Drum

15 / 30 / 300

2.0

22-26

240-280

S-300 / Coil B-450 / Drum

15 / 30 / 300

2.4

24-27

280-340

S-300 / Coil B-450 / Drum

15 / 30 / 300

2.8

25-28

320-400

S-300 / Coil B-450 / Drum

15 / 30 / 300

STICK OUT
25-40 mm







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