MAXFLUX SAF -4 (SPL) -F7A4-EM12K, F7A4/ P4-EH14, F7A4/ P4-EH10K
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MAXFLUX SAF -4 (SPL )

AWS: SFA A 5.17 F7A4-EM12K, F7A4/ P4-EH14, F7A4/ P4-EH10K EN ISO CODE: 14174 SA FB 1 67 DC

Maxflux SAF-4 (Spl) is a basic type flux giving good sub-zero impact properties and resistance to cracking. Slag detachability is very good with smooth & shiny bead finish. The diffusible hydrogen content of weld metal is low & satisfies radiographic quality requirements.

Maxflux SAF-4 (Spl) is suitable for single & multi-layer welding of structural steels, pressure vessels, boilers and other fabrications involving medium tensile & low alloy steel.

Precaution

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

Approvals
    CE
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


WITH SAW WIRE
Elements
CMnSiSPCu
AUTOTHERME GRADE-B
Typical
 0.060 1.320 0.600 0.022 0.028 0.150
AUTOTHERME GRADE-C
Typical
0.070 
1.580 0.220 0.028 0.027 0.150
AUTOTHERME GRADE-E
Typical
 0.060 1.460 0.280 0.012 0.015 0.150

    

MECHANICAL PROPERTIES OF ALL WELD METAL


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

(Mpa)
(Mpa)
(L=4d)
 -18°C
-29°C-40°C

AUTOTHERME GRADE-B

 528 
475 25 80 70 40

AUTOTHERME GRADE-C

  545 488 26 100 80 50 

AUTOTHERME GRADE-C

AFTER SR : 620°C / 1 HR 

 517 464 29 106 78 60

AUTOTHERME GRADE-E

AFTER SR : 620°C / 1 HR

508 
474 
28 
120 
86 
62

    

MAJOR CONSTITUTENTS


SiO2 + TiO2 CaO+MgO Al2O3+MnO CaF2
20%
25%
20%
35%

    

Additional Information

BASICITY INDEX : ~1.70

GRAIN SIZE : 0.35 – 1.60 mm

PACKAGING : 25 Kg POLY-LINED PAPER BAG

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