Rare-earth multi-element alloy coating and hot-dip galvanizing method thereof
A multi-alloy and hot-dip galvanizing technology, applied to rare earth multi-alloy coating and its hot-dip galvanizing field, can solve problems such as poor synchronization, achieve easy operation and control, grain refinement, and reduce wetting corner effect
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Embodiment 1
[0033] Based on the total mass of the rare earth multi-element alloy for hot-dip galvanizing, the rare-earth multi-element alloy for hot-dip galvanizing contains 0.9ωt% of RE, 2.5ωt% of Al, 0.5ωt% of Ni, and 1.2ωt% of Mg , the balance is Zn and unavoidable impurities. Put it into the zinc solution at a ratio of 1.5%.
[0034] Using the rare earth multi-element alloy in this example to hot-dip galvanize the large ship pipe fittings with flanges at both ends for 3 minutes, the formed rare earth multi-element alloy coating is uniform, and the thickness of the coating is 90-125 μm. The adhesion test is good, the coating is smooth, and the Very little bottoms.
Embodiment 2
[0036] Based on the total mass of the rare earth multi-element alloy for hot-dip galvanizing, the rare-earth multi-element alloy for hot-dip galvanizing contains 1ωt% of RE, 3ωt% of Al, 0.8ωt% of Ni, and 1.3ωt% of Mg. The amount is Zn and unavoidable impurities. Put it into the zinc solution at a ratio of 1%.
[0037] Using the rare earth multi-element alloy in this example to hot-dip galvanize the solar C-shaped steel product for 3 minutes, the formed rare-earth multi-element alloy coating is uniform, and the thickness of the coating is 65-80 μm, the adhesion test is good, the coating is smooth, and there is very little bottom dross .
[0038] Embodiment 3.
[0039] Based on the total mass of the rare earth multi-element alloy for hot-dip galvanizing, the rare-earth multi-element alloy for hot-dip galvanizing contains 1.1ωt% of RE, 3.5ωt% of Al, 1ωt% of Ni, and 1.5ωt% of Mg, The balance is Zn and unavoidable impurities. Put it into the zinc solution at a ratio of 0.5%.
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