CEWELD


OA MnCr FCAW Flux-Cored




OA MnCr

 
CATEGORY 
TYPE 
Tubular wire weldable without protective gas for rebuilding and buffer layers before hardfacing with extreme resistance to heavy impact loads.
APPLICATIONS 
Rebuilding heavy steel parts, buffer layers, rails, rails crossings, dredger teeth, blast furnace mantles etc..
PROPERTIES 

Austenitic deposit with strain hardening properties and no limmits in the number of layers. The deposit is non magnetic and can not be flame cut.
 

CLASSIFICATION
AWS 
A 5.21:
EN ISO 
14700: T Fe 9
DIN 
8555: MF 7-250-KNP
SUITABLE FOR 

Rebuilding, buffer layers, rails, rails crossings, dredger teeth, blast furnace mantles

APPROVALS 
CE approved
WELDING POSITIONS: 
WELD METAL ANALYSIS %

C

Mn

Cr

Si

Ni

Mo

V

Fe

   

0.4-0.5

15-16.4

14-15.5

0.3-0.5

1-1.5

0.5-0.6

0.2-0.3

Bal.

   
MECHANICAL PROPERTIES

Heat

RP0,2

Rm

A5

Impact Energy (J) ISO-V

Hardness

Treatment

(N/mm2)

(N/mm2)

(%)

-20°C

-40°C

-60°C

HB

AW

           

220-250

SH

           

Circa 500

AW: as welded SH: after strain hardening
REDRYING TEMPERATURE 
150°C/24hr
WELDING PARAMETERS / PACKING

Welding Parameters

Packing

D (mm)

Voltage (V)

Current (A)

spool type

kg / spool / drum

1.6

20-26

160-260

S-300 / Drum

15 / 250

2.0

22-26

240-280

S-300 / Drum

15 / 250

2.4

24-27

280-340

S-300 / Drum

15 / 250

2.8

25-28

320-400

S-300 / Drum

15 / 250







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