Alkaline welding rod coating capable of improving welding process property
A basic electrode and welding process technology, applied in welding media, welding equipment, welding/cutting media/materials, etc., can solve the problems of increasing the diffusible hydrogen content of the electrode, affecting the low temperature toughness of the electrode, and the effect is not obvious. The effect of the seam forming is smooth and beautiful, the welding process is improved, and the production cost is reduced
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[0014] When the present invention adopts low-alloy steel welding core to prepare a kind of basic low-alloy steel welding rod, its coating composition is (weight ratio): marble 42%, silica mud 7%, fluorite 21%, metal manganese 3%, ferrosilicon 1%, titanium iron 10%, cellulose 0.5%, TiO 2 4%, atomized iron powder 10%, graphite + Na 2 CO 3 1.5%. The basic low-alloy steel welding rod can be produced by mixing the powder materials of the above-mentioned components evenly and then using sodium water glass as a binder to press-coat on the low-alloy steel welding core.
[0015] The invention adopts a basic low-alloy steel welding rod produced by a low-alloy steel welding core, and the welding process test is carried out. The test results show that the arc sound is uniform and stable, the molten pool is clear and spreadable, and the spatter particles are fine when the welding rod is welded. , It is easy to remove slag after welding, the weld shape is smooth and beautiful, and it i...
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