CEWELD


OA S-70-T4R FCAW Flux-Cored




OA S-70-T4R

 
CATEGORY 
TYPE 
Welding wire developed for welding without protective gas with high deposition rate.
APPLICATIONS 
Welding outside in case high speed welding is required and protective gas is not possible or difficult. Suitable for C-Mn steels such as rails, fabrication of machinery, steel framed buildings and or heavy equipment repair. Recommended for butt assembly of rails and crossings.
PROPERTIES 

-   Very good welding characteristics and not sensitive for contaminations.
-   Good mechanical properties and high crack resistance.
-   Deposition rate up-to 20 kg/h.
-   For single and multiple-pass welding of C-Mn steels.
-   Excellent self shielding properties.

CLASSIFICATION
AWS 
A 5.20: E 70 T-4
EN ISO 
758: T 38 Z W N 3
SUITABLE FOR 

Rebuilding and joining steel parts that requires good strenght and high productivity.

APPROVALS 
CE approved
WELDING POSITIONS: 
WELD METAL ANALYSIS %

C

Mn

Si

Al

S

P

0.20

0.55

0.20

1.30

0.002

0.002

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

450

610

25

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

Welding Parameters

Packing

D (mm)

Voltage (V)

Current (A)

spools type

kg / spools

1.6

19-27

150-280

BS-300 / Coil / Drum

25 / 330

2.0

25-32

200-400

BS-300 / Coil / Drum

25 / 330

2.4

26-34

300-500

BS-300 / Coil / Drum

25 / 330







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