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Help CenterChina Best Quality Fused Welding Flux Hj431
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Specifications
Welding Flux HJ4311.For low-carbon and low-alloy steel
2.Package:25Kgs/kraftpaper bag
3.High quality and competitive prices
Submerged Arc Welding Flux HJ421 manufacturer
Standard : GB/T5293 NB/T47018-2011 F4A2-H08A F5A2-H08MnA
Equivalent to:AWS -A5.17 F6A2-EL12
HJ431 is a kind of smelting-type ,red brown to light yellow colored ,glassy granulated flux with high manganese and silicon but low fluorine,mesh 8~14,8~40 and 14~40,Either alternating or direct curren can be used and welding wires must be connected with the positive electrode when direct current is used, The welding technology has good performance.
Usage:
When applied to welding wires such as H08A,H08MnA and H10Mnsi,it can weld low-carbon steel and some low-alloy steel like 16Mn and 15MnV,as well as ships,boilers and high-pressure vessels.And it also can be used for electro-slag and copper welding.
Cautions:
1.The oil soil,moisture,Iron rust and other foreign substances must be removed from the surface before welding.
2.The flux must be baked under 300-400℃ for 2 hours.
Chemical Coposition of HJ431(%)
AL2O3 +MnO |
CaO+MgO |
SiO2 |
CaF2 |
FeO |
S |
P |
35~42 |
7~14 |
40~44 |
3~7 |
≤ 1.8 |
≤ 0.05 |
≤ 0.08 |
Mechanical Properties of the Deposited Metal With Wire EL12
Test item |
Yield strength 6s (Mpa) |
Tensile strength 6b (Mpa) |
Elongation δ5(%) |
Impact absorption rate Akv (-20°C)(J) |
Common results |
400 |
500 |
≥22 |
≥48 |
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