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HJ431: GB/T5293-1999 F4A0-H08A
             AWS F6AZ-EL12
             JIS YSF42-W11

1.Description:
LH-HJ431 is a fused type high Manganese-oxide flux with vitreous granule of reddish brown to light yellow color,about 8-40 mesh in size.It is suitable for use with AC or DCEP.This flux is of a good welding usability.

2.Applications:
In combination with H08A, H08MnA AND H10Mn2 wires, this flux is suitable for welding of low carbon steels and some low alloy steel such as 16Mn and 15Mnv in producing of structures, boilers, ships, pressure vessels, ect. It can also be used for electroslag welding.
   
3.Chemical Composition(%)

4.Mechanical Performance of the Deposited Metal:  (Accl. to GB/T5293-1999 F4A0-H08A)

5.Our Factory Introduction 
        
LAIWU HULING WELDING is one of leading biggest manufacturer of Submerged ARC welding flux in China. The annual capacity of production is growing and up to12000 metric tons of agglomerated flux and 5000 metric tons of fused flux. The factory has established the R&D laboratory with the advanced inspection equipments in field of welding materials. Our company is located at Laiwu City near by the Jinan International Airport, and also is near the TAISHAN Mount of Shandong Province, China. 
 
The Submerged-ARC welding flux has been approved and passed the inspection of quality with the province grade and the national grade in China. We strictly executed and produced the welding flux according to the industrial standards of GB/T 5293-1999, GB/T 12740-2003, GB/T17854-1999 and the China Classification Society-1996 completely. Our quality management has passed IS09001-2008 Quality System Certification.
 
The welding flux has been widely used in the Chemical engineering equipment, Heavy machinery, Pressure vessel, Boiler, Gas cylinder body, Spiral welded steel pipe, Steel structure building H-beam steel etc. We have been exported the welding flux to India, Indonesia, Egypt, Japan, Philippine and Jordan. The foreign customer usually purchased and preferred to the high quality Agglomerated flux ( LH-SJ101;LH-SJ301;LH-SJ501;LH-HF101G ) and Manganese oxide fused flux.