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Welding Flux JN-HJ431 For boiler
Welding Flux JN-HJ431 For boiler
Supplier Info
[China Supplier]
Contact Person : Mr. Shang Qingfeng
Tel : 86-634-8856786
Fax : 86-634-8856718
Product Detail
1.Product:JN-HJ431 2.Red brown to light yellow 3.Glassy granulated flux 4.25Kgs/plastic woven bag 5.Delivery time:30 days

Fit

GB/T5293-1999

F4A3-H08A

F5A2-H08MnA

Equivalent to

AWS-A5.17

F6A2-EL12

F7A3-EM12K

1.JN-HJ431 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 surface;2.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

Welding Flux JN-HJ431 For boiler

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