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Product Description

 Description: HJ350 is a fused type medium manganese-oxide flux with vitreous granule of reddish brown to light yellow color about 8-40 mesh and 14-80 mesh in two sizes. It is suitable for use with AC and DC and it shows good welding usability.

Application: In combination with H08MnA , H10Mn2,H08Mn2Mo wires, this flux is suitable for welding of low alloy steel (such as 16Mn , 15MnV,15MnVN)important structures, ships, boilers, high pressure vessels. The 14-80 mesh size is recommended for welding of thin plates with small diameter wires.

Guidelines For Usage:

1.Dry the flux at 300-400°C for 2 hours before use.

2.Completely remove rust, oil and dirt from the groove surface prior to welding.

Typical Flux Composition Range (%)

MnO+SiO2
CaF2+CaO+Al2O3
S
P
44-45
37-56
≤0.06
≤0.07

Mechanical Properties of Weld Metal:

Selected
σb
σs
δ5
AKV(J)
(MPa)
(MPa)
(%)
20°C
-20°C
Standard Value
480-650
≥380
≥22
≥27
 
H10Mn2
524
408
31
115.3
 
H10Mn2G
539
414
31.2
 
86.0

 

 

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