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Flux for Submerged Arc Welding KJF – 921
Standards 

EN 760

DIN 32522

S A FB 2 86 DC+H5

B FB 2 86 DC+H5

Weld Metal Chemical Analysis(%)
 Flux + Wire
C
Si
Mn
Cr
Ni
Mo
KJF – 921 + KJS – 308L
< 0.03
0.5 – 0.7
1.1 – 1.3
18 – 20
10.0 – 12.0
--
KJF – 921 + KJS – 316L
< 0.03
0.5 – 0.7
1.3 – 1.5
17 – 19
10.0 – 13.0
2.0 – 2.5
 
Weld Metal Mechanical Properties 
Flux + Wire
U.T.S. (Mpa)
Y.S. (Mpa)

El
%
Charpy Impact ISO – V (J)

-20°C
-60°
KJF – 921 + KJS – 308L
540 – 560
380 – 400
35 – 40
55 – 75
45 – 65
KJF – 921 + KJS – 316L
545 – 565
385 – 405
37 – 42
---
70 – 90
Technical Specification

Basicity Index: 2.8 According to Boniszewski formula

Density: 1.2 Kg/dm3

Re-drying: 350 ± 25o C /2hr

Current: AC / DCEP

Packing: 25 Kg bag (3 layers) / other sizes as per buyer's order.

Descriptions

KJF-921 is a Fluoride Basic Agglomerated Flux with excellent slag detachability even in high temperatures and can be used for welding austenitic stainless steels types: 316L, 308L, 347 and very low Hydrogen content in weld metal. It is also extensively used in stainless steel butt welding.

KJF-921 is almost equivalent to the following flux:

ESAB OK 10.93
                                                             Ver:901111

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