SAW Flux MAXFLUX SAF -7S - F7AZ-EL8, F7A0-EM12K
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MAXFLUX SAF -7S

AWS: SFA 5.17 F7AZ-EL8, F7A0-EM12K

Maxflux SAF-7S is a high speed welding acidic agglomerated flux for spiral pipe welding. 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-7S is suited for fabrication and welding of spiral pipes, smaller diameter pipes (internal and external), penstock pipelines, wind mill towers, pressure vessels, girder, earthmoving equipment, structures of off-shore platforms, etc.

Precaution

Re-dry the flux at 300-350°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 0.600 0.025 0.0240.150
AUTOTHERME GRADE-B
Typical
 0.060 1.550 0.750 0.027 0.0200.150

    

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

550 480 23 40-

AUTOTHERME GRADE-B

58053523 50 32

    

MAJOR CONSTITUTENTS


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

    

Additional Information

BASICITY INDEX: ~0.50

GRAIN SIZE: 0.20 – 1.50 mm

PACKAGING: 25 Kg POLY-LINED PAPER BAG

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