A kind of al-cu-si stranded welding wire and preparation method thereof
An al-cu-si, al-si technology, applied in welding equipment, manufacturing tools, welding media, etc., to achieve the effect of low heat input, high efficiency, and high joint strength
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Embodiment 1
[0032] A SAL 1100 center filament, two SAL 2319 and two SAL 4043 peripheral thick wires, four SAL2319 peripheral adjustment wires, two SAL 2319 and two SAL 4043 peripheral thick filaments should be interlaced. The twisted process parameters are: the twist is 8 times the tweet metal equivalent diameter, the tension is 12% tension, the number of revolutions is 350R / min, and the chemical composition of the obtained welding wire is Cu: 3.6%, Si: 2.1%, Fe: 0.14%, Mn: 0.20%, Mg: 0.05%, Zn: 0.05%, Ti: 0.15%, Zr: 0.15%, V: 0.10%, the rest is Al and very unavoidable impurities.
Embodiment 2
[0034] A SAL 1100 center filament, two SAL 2319 and two SAL 4043 peripheral thick wires, two SAL2319 and two SAL 1100 peripheral adjustment wire, two SAL 2319 and two SAL 4043 peripheral thick wire should Interlaced layout, two SAL 2319 and two SAL 1100 peripheral adjustment wire should also be interlaced. The twisted process parameters are: the twist wondering wire equivalent diameter, the tension is 12% equipment tension, the number of revolutions is 400R / min, and the chemical composition of the obtained welding wire is Cu: 3.0%, Si: 2.25%, Fe: 0.15%, Mn: 0.15%, Mg: 0.009%, Zn: 0.006%, Ti: 0.085%, Zr: 0.05%, V: 0.057%, the rest is Al and very unavoidable impurities.
Embodiment 3
[0036] A SAL 1100 center filament, two SAL 2319 and two SAL 4043 peripheral thick wire, two SAL2319, one SAL 1100 and a SAL 4043 peripheral adjustment wire for twisted, two SAL 2319 and two SAL4043 The peripheral thick wire is interlaced, and the two SAL 2319 peripheral adjustment wire should also be arranged. Two process parameters: The twist wire equivalent diameter of 11.6 times, the tension is 13% equipment tension, the number of revolutions is 500r / min, the chemical composition of the resulting welding wire is Cu: 3.22%, Si: 2.5%, Fe : 0.156%, Mn: 0.007%, Mg: 0.007%, Zn: 0.009%, Ti: 0.05%, Zr: 0.104%, V: 0.01%, the rest is Al and a very small amount of inevitable impurities.
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