MAXFLUX SAF -7X - F7AZ-EL8, F7A0-EM12K
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Flux

MAXFLUX SAF -7X

AWS: SFA 5.17 F7AZ-EL8, F7A0-EM12K

Maxflux SAF-7X is an acidic flux for longitudinal & spiral high speed pipe welding applications. The flux is suitable for single & multi-pass welding with single wire & multi-wire applications in both AC & DC polarity. Slag detachability is good and deposited weld metal is of radiographic quality.

Maxflux SAF-7X is suited for fabrication and welding of longitudinal pipe, spiral pipes, penstock pipelines, wind mill towers, pressure vessels, girder, earthmoving equipment, structures of off-shore platforms, etc.

Precaution

Re-dry the flux at 300-350 deg C for two hours before use

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


WITH SAW WIRE
Elements
CMnSiSPCu
AUTOTHERME GRADE-A
Typical
 0.050 1.300 0.560 0.025   0.0240.150
AUTOTHERME GRADE-B
Typical
 0.080 1.550 0.750 0.028  0.0260.160

    

MECHANICAL PROPERTIES OF ALL WELD METAL


WITH SAW WIRE
UTS 
0.2% YS % EI CVN Impact (Joules)
 CVN Impact (Joules)

(Mpa)
(Mpa)
(L=4d)
 -18°C
-29°C

AUTOTHERME GRADE-A

 530 440 24 40-

AUTOTHERME GRADE-B

   552 465 28 80 52

    

MAJOR CONSTITUTENTS


SiO2 + TiO2 CaO+MgO Al2O3+MnO CaF2
20%
5%
55%
15%

    

Additional Information

BASICITY INDEX : ~0.60

GRAIN SIZE : 0.20 – 1.50 mm

PACKAGING : 25 Kg POLY-LINED PAPER BAG

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