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Fused welding flux
Fused welding flux
Supplier Info
[China Supplier]
Contact Person : Mr. Shang Qingfeng
Tel : 86-634-8856786
Fax : 86-634-8856718
Product Detail
1.Fused type 2.Red brown to light yellow 3.Welding technology has good performance 4.25Kg/plastic woven bag 5.MOQ:1 Ton

             Fit

 GB/T5293-1999

  F4A3-H08A

 F5A2-H08MnA

   Equivalent to

   AWS-A5.17

  F6A2-EL12

 F7A3-EM12K

1.JN431 is a kind of high manganese and silicon, low fluorine fused flux

2.Color:red brown to light yellow

3.Grain size:of 8-40(2.5-0.45mm) and 14-40(1.5-0.45mm) meshes

4.Current:alternating or direct current (welding wires must be connected with the positive electrode when direct current is used)Usage:1.for low-carbon and low-alloy steels like 16Mn and 15MnV, as well as ships, boilers and high-pressure vessels[applied to welding wires such as H08A(AWS EL8), H08MnA(AWS EM12) and H10MnSi(AWS EM13K)] 2.for electro-slag and copper welding.Cautions:1.The oil stain, moisture, iron rust and other impurities must be removed from the surface2.Flux must be baked under 250~300°C for 2 hours before welding.Chemical Composition:(%) 

   AL2O3 +MnO

 CaO+MgO

   SiO2

 CaF2

  FeO

  S ,P

        35~44

      8~13

  40~44

  3~8

 ≤ 1.8

 ≤ 0.05

Mechanical Performance:Applied to H08A (AWS EL8)

    Test item

Yield strength 

 6s (Mpa)

Tensile strength    6b (Mpa)

   Elongation

      δ5(%)

Impact absorption rate Akv 

(-20°C)(J)

Common results

     ≥400

      ≥550

     ≥22

                     ≥34

Fused welding flux

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