CEWELD


OA 400 FCAW Flux-Cored




OA 400

 
CATEGORY 
TYPE 
Open Arc wire for buffer layers and rebuilding against high impact and pressure weldable without protective gas.
APPLICATIONS 
385-415 HB, rebuilding and hardfacing alloy for extreme critical applications where extreme impact loads and surface pressure causes deformation and cracks that need to be solved.
PROPERTIES 

Due to the high resistance to cracking and toughness, all weld metal requires no buffer layer. Suited for wear parts subject to heavy pressure, impact and shock. The interpass temperature should be maximum 250ºC. The weld metal is machinable with carbide tip tools, hardening is possible. The maximum hardness is dependent on the base metal and is usually already achieved in the first layer.

CLASSIFICATION
AWS 
A 5.21: special alloy
EN ISO 
14700: special alloy
DIN 
8555: special alloy
SUITABLE FOR 

Rebuilding wornout wheels, hammers, lime stone crushing rollers, crossings, concrete bars, crane, railway and tram tracks, conveyors and transport surfaces, kiln tire support rollers, bucket and loader teeth, crusher jaws, buffer layers prior to hard facing.

APPROVALS 
CE approved
WELDING POSITIONS: 
ALL WELD METAL ANALYSIS %

C

Mn

Si

Cr

Ni

Mo

V

Fe

micro alloys

0.12-0.18

1.3-1.7

0.35-0.45

1.8-2.3

0.5-0.8

2.5-4.0

0.35-0.45

Rem

++

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

           

385-415

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

Welding Parameters

Packing

D (mm)

Voltage (V)

Current (A) (DC+)

spool type

kg / spool / drum

kg / pallet

1.2

21-33

100-280

S-300

15 / 300

1080 / 600

1.6

24-33

160-310

S-300

15 / 300

1080 / 600

2,4

26-35

200-350

K-415

25 / 300

1050 / 600

2,8

27-36

225-370

K-415

25 / 300

1050 / 600







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