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| Customization: | Available |
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| state: | Solid |
| pH: | Acidic |
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Conforming to:GB/T53293 S43A0UMS-SU08A
Equivalent to: AWS F6AZ-EL12
HJ431 is defined as fused type fluxes with high-manganese high silicate and low fluorine elements. Color in brown to light yellow with vitreous granules 8-40 meshes in size. Fluxes are suitable for use with both AC & DC. When applying D.C. filler wire will be connected to electrode positive (EP). Fluxes have good welding technology behavior.
Field of application: Fluxes match filler wire (i. e. SU08A,SU26,and SU34 etc.) of which may be used for welding of mild-steel low alloyed steel (16Mn, 15MnV) structures for examples, boilers, ships, pressure vessels and Electro-slag welds as well as copper welds.
Typical compositions of fluxes in: (%)
|
SiO2+MnO |
CaF2+CaO |
Al2O3+MgO |
S |
P |
|
74-82 |
10-14 |
9-12 |
≤0.035 |
≤0.04 |
Mechanical properties of deposited metal:
(Accl. to GB/T5293 S43A0UMS-SU08A )
|
Test items |
ó b Mpa |
ó s Mpa |
δ 5 % |
Akv(J) 0ºC |
|
Standard Value |
430-600 |
≥330 |
≥20 |
>27 |
|
Test Value |
505 |
380 |
30 |
90 |
Remarks:
1.Before welding, fluxes need to be baked for two(2)hours at around 250ºC.
2.Removal of rust, oil, dirt, water, impurities etc in welding-areas.

welding flux applications: structural stee,lpg cylider,hard facing weld, Pressure vessel, Boiler, Bridges
1.Which types of steel structures can this flux be used for?
the weldig flux is suitable for welding mild steel and low alloyed steel structures such as boilers, ships, pressure vessels, and bridges.
2.What is the physical appearance and mesh size of the flux?
The flux appears as brown to light yellow glassy granules with a mesh size of 8-40.
3.What standards does this welding flux conform to?
the welding flux conforms to GB/T53293 (S43A0UMS-SU08A) and is equivalent to AWS F6AZ-EL12.