Hot dip alloy coated steel material having excellent anti-corrosion properties and method of manufacturing same
AssigneePosco
InventorsHeung-Yun Kim, Sung-Joo Kim
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AssigneePosco
InventorsHeung-Yun Kim, Sung-Joo Kim
Estimating the term…
An embodiment of the present disclosure provides a hot dip alloy coated steel material having high corrosion resistance, the hot dip alloy coated steel material including: a base steel sheet; and a hot dip alloy coating layer formed on the base steel sheet, wherein the hot dip alloy coating layer includes, by wt %, Al: from greater than 8% to 25%, Mg: from greater than 4% to 12%, and a balance of Zn and other inevitable impurities, wherein a surface of the hot dip alloy coating layer has a surface X-ray diffraction intensity satisfying Condition 1 below: [Condition 1] 2000 cps≤X-ray diffraction intensity≤20000 cps where the X-ray diffraction intensity refers to M−N, M refers to a greatest peak intensity within a 2θ range of 20.00° to lower than 21°, and N refers to a peak intensity at 2θ=20.00°.
A hot dip alloy coated steel material comprising:
Dependencies are inferred from the claim text.