High surface quality zinc-aluminum-magnesium steel sheet with excellent blackening resistance and production method
A high-surface, zinc-aluminum-magnesium technology, applied in coating, metal material coating process, hot-dip plating process, etc., can solve the problems of blackening resistance, corrosion resistance and high surface quality, high cost, Adding more trace alloy elements, etc., to achieve excellent surface quality and processing performance, excellent blackening resistance and corrosion resistance, and the effect of coating grain size refinement
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Embodiment 1
[0037] A method for producing a high-surface-quality zinc-aluminum-magnesium steel plate with excellent blackening resistance.
[0038] In the hot dip plating, the plating solution used contains the following chemical components by mass percentage: Al content 1.72%, Mg content 1.49%, Si content 0.05%, Cu content 0.013%, Ti content 0.008%, and the balance is Zn and inevitable impurities.
[0039]The produced high surface quality zinc-aluminum-magnesium steel sheet with excellent blackening resistance includes a substrate and a coating, and the coating contains the following chemical components by mass percentage: Al content 1.72%, Mg content 1.49%, Si content 0.05%, The Cu content is 0.013%, the Ti content is 0.008%, and the balance is Zn and inevitable impurities. The substrate is IF steel, and contains the following chemical components by mass percentage: C: 0.0011%, Si: 0.0031%, Mn: 0.1021%, P: 0.0111%, S: 0.0064%, Als: 0.042%, Ti: 0.06 %, Nb: 0.001%, N: 0.001%, the balanc...
Embodiment 2
[0050] A method for producing a high-surface-quality zinc-aluminum-magnesium steel plate with excellent blackening resistance.
[0051] For the hot dip plating, the plating solution used contains the following chemical components by mass percentage: Al content 2.50%, Mg content 1.56%, Si content 0.90%, Cu content 0.050%, Ti content 0.035%, and the balance is Zn and inevitable impurities.
[0052] The produced high surface quality zinc-aluminum-magnesium steel sheet with excellent blackening resistance includes a substrate and a coating, and the coating contains the following chemical components by mass percentage: Al content 2.50%, Mg content 1.56%, Si content 0.90%, The Cu content is 0.050%, the Ti content is 0.035%, and the balance is Zn and inevitable impurities. The substrate is IF steel and contains the following chemical components by mass percentage: C: 0.0014%, Si: 0.0021%, Mn: 0.1221%, P: 0.0141%, S: 0.0074%, Als: 0.044%, Ti: 0.05 %, Nb: 0.01%, N: 0.0014%, the balan...
Embodiment 3
[0059] A method for producing a high-surface-quality zinc-aluminum-magnesium steel plate with excellent blackening resistance.
[0060] In the hot dip plating, the plating solution used contains the following chemical components by mass percentage: Al content 1.70%, Mg content 1.64%, Si content 0.10%, Cu content 0.005%, Ti content 0.010%, and the balance is Zn and inevitable impurities.
[0061] The produced high surface quality zinc-aluminum-magnesium steel sheet with excellent blackening resistance includes a substrate and a coating layer, and the coating layer contains the following chemical components by mass percentage: Al content 1.70%, Mg content 1.64%, Si content 0.10%, The Cu content is 0.005%, the Ti content is 0.010%, and the balance is Zn and inevitable impurities. The substrate is IF steel and contains the following chemical components by mass percentage: C: 0.0010%, Si: 0.0020%, Mn: 0.1211%, P: 0.0121%, S: 0.0054%, Als: 0.034%, Ti: 0.055 %, Nb: 0.005%, N: 0.002...
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