AWS F7A8-EH14
Sintered Flux
Sintered Flux,AWS F7A8-EH14,is a fluoride alkali type highly sintered flux. The alkalinity is about 3.5, it is a light grey color circular particles and the size is 2.0 ~ 0.28mm (10 ~ 60 mesh). With excellent welding technological properties, beautiful appearance, in low temperature impact toughness is higher. It is suitable for DC. Connect the wire to positive end while using DC.
AWS F7A8-EH14
Application
Sintered Flux, AWS F7A8-EH14 can be working with proper welding wires (such as H10Mn2,H08MnMoA and H08Mn2MoA ) it can be used for welding variety of low-alloy steel, higher strength hull structural steel and low temperature pressure vessel.
Chemical Composition (%)
Reference Current (DC+)
Welding Positions:
Notes:
1. Flux must be baked at 300°C ~ 350°C for 2 hours
2. Impurities such as rust, oil stain and moist should be cleared before welding.
Mechanical Properties
|
Chemical Composition
|
SiO2+TiO2
|
CaO+MgO
|
Al2O3+MnO
|
CaF2
|
S
|
P
|
|
Guarantee Value
|
—
|
—
|
—
|
—
|
≦0.060
|
≦0.080
|
|
General Result
|
16.2
|
43
|
17.5
|
23
|
0.025
|
0.023
|
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Rm(N/mm2)
|
Rel/Rpo.2(N/mm2)
|
A (%)
|
KV2(J)-60℃
|
|
H10Mn2
|
Guarantee Value
|
480~650
|
≥400
|
≥22
|
≥27
|
|
General Result
|
580
|
480
|
29
|
76
|
|
H08MnMoA
|
Guarantee Value
|
550~700
|
≥470
|
≥20
|
≥27
|
