Gold Member Since 2006
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Laiwu Trustworthy Import and Export Co., Ltd.

Welding Flux, Welding Material, Fused Flux manufacturer / supplier in China, offering Smelting Welding Flux for Steel Structure, Ship, Boiler, Pressure Vessel, Nonwoven Needle-Punched Plain Exhibition Carpet, Needle Puched Plain Exhibition Carpet with Film Coated and so on.

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Supplier Homepage Product welding flux Smelting Welding Flux for Steel Structure, Ship, Boiler, Pressure Vessel

Smelting Welding Flux for Steel Structure, Ship, Boiler, Pressure Vessel

FOB Price: US $350-650 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $350-650/ Ton
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Port: Qingdao, China
Production Capacity: 15000tons Per Year
Payment Terms: L/C, T/T, D/P, Western Union, Money Gram

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Basic Info
  • Model NO.: welding flux
  • pH: Acidic
  • Melting Point: >600℃
  • Function: Protect Weld Metal
  • Manufacturing Method: Smelted
  • Color: Red Brown,Light Yellow
  • Current: AC or DC
  • Payment: Tt or LC
  • Packings: Paper Bag or Pallet
  • Weld: Ship,Boiler
  • Transport Package: Kraft Paper Bag or Woven Bag
  • Origin: Shandong China
  • state: Solid
  • Type: Inorganic
  • Chemical Composition: SiO₂=10%-30%
  • Application: Submerged-arc Welding
  • Kind: Fused Welding Flux
  • Grain Size: 8-40meshes
  • Suitable: Low Carbon Low Alloy Steel
  • Delivery: 15-20 Days
  • Port: Qingdao
  • Trademark: trustworthy
  • Specification: hj431
Product Description
Submerged arc welding flux hj431

Equivalent toAWS-A5.17F6A2-EL12F7A3-EM12K is a kind of high manganese and silicon, low fluorine fused welding 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).

welding flux 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.

1.The oil stain, moisture, iron rust and other impurities must be removed from the surface.
2.the welding Flux must be baked under 250~300°C for 2 hours before welding.

Chemical Composition:(%) 
35~448~1340~443~8≤ 1.8≤ 0.05
Mechanical Performance:Applied to H08A (AWS EL8)
Test itemYield  strength 
 6s (Mpa)
Tensile strength
 6b (Mpa)
Impact absorption rate Akv
Common results≥400≥550≥22≥34

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