MAXFLUX SAF -4 - F6A2-EL8, F7A2-EM12K,F7A4-EM12K, F7A4-EH14
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MAXFLUX SAF -4

AWS: SFA 5.17 F6A2-EL8, F7A2-EM12K,F7A4-EM12K, F7A4-EH14 EN ISO CODE: 14174 SA FB 1 67 DC

Maxflux SAF-4 is an agglomerated basic type flux having very good performance with good sub-zero impact properties & extreme resistance to cracking. It is neutral in terms of silicon and manganese pick-up. Slag is easily removable and bead finish is smooth & shiny. The diffusible hydrogen content of the weld metal is low.

Maxflux SAF-4 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
    IBR
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


WITH SAW WIRE
Elements
CMnSiSPCu
AUTOTHERME GRADE-A
Typical
0.050
 0.600 0.300 0.028 0.027 0.150
AUTOTHERME GRADE-B
Typical
 0.060 
1.000 0.350 0.028 0.026 0.150
AUTOTHERME GRADE-C
Typical
 0.060 
1.500 
0.380 
0.028 
0.027 
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-A

460
 380 26 40 30 
-

AUTOTHERME GRADE-B

  510 415 25 70 60 34

AUTOTHERME GRADE-C

 530 
418 26 90 75 
45

    

MAJOR CONSTITUTENTS


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

    

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