Open arc overlaying wire material with strong abrasive resistance for grinding roller and grinding disk
A grinding disc and open arc technology, applied in the direction of welding/cutting medium/material, welding medium, welding equipment, etc., can solve the problem of heavy smoke and dust, and achieve the effect of light smoke and dust, saving consumption, and fine smoke particles
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Embodiment 1
[0021] The chemical composition (% by weight) of the powder is: chromium carbide (Cr 3 C 2 ) 16%; high carbon ferrochromium 38%; ferromanganese (MnFe) 2.8%; ferrosilicon (SiFe) 5.5%; molybdenum iron (MoFe) 3%; ; Graphite (C) 4%; Titanium Oxide (TiO 2 )6%; calcium fluoride (CaF 2 )10%; silicon oxide (SiO 2 )4%.
Embodiment 2
[0023] The chemical composition (% by weight) of the powder is: chromium carbide (Cr 3 C 2 ) 18%; high-carbon ferrochrome 35%; ferromanganese (MnFe) 2.5%; ferrosilicon (SiFe) 5.5%; niobium ferro(NbFe) 4%; ; Graphite (C) 4%; Titanium Oxide (TiO 2 )5%; calcium fluoride (CaF 2 )10%; silicon oxide (SiO 2 )4%.
[0024] The filling rate of the powder is 45-60%. The wire diameter of the present invention is Φ2.4mm, Φ2.8mm, and Φ3.2mm in three specifications.
[0025] In the chemical composition of the powder, the nano-additive (A) contained may be one of nano-TiN (titanium nitride), nano-SiN (silicon nitride), and nano-SiC (silicon carbide) or any combination of the three. The nano-scale nano-additive (A) is added to the powder of the open-arc flux-cored wire, which plays a role in the dispersion strengthening of the nano-ceramic phase, enhances the cohesive strength, fracture strength and bonding strength of the cladding layer material, and has good high temperature Stability...
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