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RAAJMELT-81 (F7AZ-EL , F7A0-EM12K)

An Agglomerated Aluminate Rutile-Silicate type submerged arc welding Flux for High Speed Welding

CLASSIFICATION: - AWS: SFA/A 5.17, F7AZ-EL ,  F7A0-EM12K

CHERACTERISTICS: - RAAJ MLET-81 is an agglomerated Aluminate Rutile-Silicate type Flux specially designed for butt and Fillet welding with high speed.

 Excellent slag removal and exceptional bead finish.it is preferably used for welding thin plates at speeds higher then up to 1800mm/min.  .

B.I. : about 0.80

TYPICAL APPLICATION:  Very much suitable for high travel speed welding such as spiral welding of pipes where weld shape, easy slag removal and surface finish are necessary.

Best suitable for high speed beam welding process with twin wires auto system.

 Drying requirement: - Redrying recommended at 350°C for 2 hour before use.

 Main Constitutions (%)

SiO2+TiO2

CaO+MgO

Al2O3+MnO

CaF2

30-40

10-20

30-50

10

  All Weld Metal Chemical composition (Typical %)

UNDER Wires

C

Mn

Si

S

P

RAAJSAW-1

0.070

1.10

0.80

0.020

0.019

RAAJSAW-2

0.080

1.40

0.70

0.015

0.018

 All Weld Metal Mechanical properties (Typical)

UNDER Wires

YS

(N/mm2)

UTS

(N/mm2)

EL %

CHARPY “V” NOTCH

IMPACT  AT

27°C                0°C

RAAJSAW-1

460

540

25

50 J                    -----

RAAJSAW-2

450

570

24

60 J                  40 J

Raajratna offer a wide range of submerged Arc welding Fluxes for different critical applications.  

PACKING SPECIFICATION: - packed in polythene-line paper bags of 25.00 kg net weight.

                     Be supplied on customer packing against specific request.

RAAJMELT-81 is almost equivalent to the following fluxes:-

LINCOLN 781

ESAB OK 10.81LS

AUTOMELT A81 

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