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flux SJ301

Profile:Manufacturer - Producer|Ref:PSL162364YH | Country: China | Currency: | Export: No

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incoterm : fob
country : China

SJ301 flux
Specification:GB/T5293-1999 AWS A5.17-97 AWS A5.17-97
Classification:F4A4-H08A F7A0-EM12 F5A2-H08MnA
Introduction:SJ301 is an agglomerated neutral flux of the calcium-silicate type, basicity index is 1.0, It is black-brown spherical flux with grain from 10-60 mesh, density is 1.2-1.3gram/cm3 . It can be done on AC or DC+. Si of weld metal increase much, also Mn increase by using it, it has short slag characters.
Application:SJ301 flux is suitable for welding Q235B grade carbon steels,A,B,X42,X46 grade pipe steels, steel of gas bottle , liquefied petroleum, steels of petroleum gas tank, liquefied petroleum gas bottle, pressure vessel ect.
Note: before welding, baked 2hours flux of 350。C and removed rust, oil, moisture ect of plate.
Main compound(%)
SiO2+TiO2 CaO+MgO CaF2 S P
40 20-30 10 ≤0.06 ≤0.08
Mechanical property
Matching wire Tensile strength(MPa) Yield strength(MPa) Temperature Charpy-notch impact work(J)
H08A 460-560 300-440 -20.C ≥34
H08MnA 530-630 400-500 -20.C ≥34
H08MnMoA 600-700 460-600 -20.C ≥34

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