Posco

Posco Co., Ltd

Hongduk Industrial Co., Ltd.

Kiswire Ltd.

Steel & Convergence Technology Research Association

Posco Coated & Color Steel Co., Ltd.

Il-Ryoung Sohn

Tae-Chul Kim

Jong-Sang Kim

Jin-Keun Oh

Bong-Hwan Yoo

Min-Suk Oh

Seong-Woo Kim

Yeol-Rae Cho

Myung-Soo Kim

Jeom-Soo Shin

Heung-Yun Kim

Jung-Kuk Kim

Dae-Chul Bae

Dae-Young Kang

Joong-Chul Park

Han-Gu Cho

Bong-Hoon Chung

Jong-Seog Lee

Seong-Ju Kim

Jung-Hoon Kim

Sang-Heon Kim

Kwang-Geun Chin

Sung-Kyu Kim

Hyun-Chu Yun

Sung-Joo Kim

Kyung-Jin An

Jong-Un Jung

Hyeon-Seok Hwang

Yong-Soo Kim

Seong-Ho Han

Yeon-Sang Ahn

Jin-Seo Park

Hyun-Gyu Hwang

Young-Kook Lee

Shin-Hwan Kang

Min-Ki Seun

Oh-Yeon Lee

Seung-Bok Lee

Gwang-Weon Yu

Sung-Hoon Kang

Jong-Sung Kim

Kyung-Kwan Park

Moon-Hi Hong

Tae-Yeul Park

Sang-Tae Han

Kwang-Won Kim

Yong-Kyun Cho

Hyeon-seok Hwang

A composite plated steel sheet including a base steel sheet; a Zn—Mg—Al-based plating layer provided on at least one surface of the base steel sheet; and a resin layer provided on at least one surface of the Zn—Mg—Al-based plating layer. The resin layer includes a base resin and resin powder. A hardness of the resin powder is 1.1 to 2 times that of the base resin.

Composite plated steel sheet having excellent post-formation corrosion resistance, and manufacturing method therefor

The present invention provides a Zn—Mg—Al plated steel sheet having excellent in corrosion resistance and bendability, and a method for manufacturing same. And more specifically, the present invention provides a Zn—Mg—Al-based plated steel sheet having excellent in corrosion resistance, bendability, and plating adhesion, and a method for manufacturing the same.

Plated steel sheet having excellent corrosion resistance and bendability and method for manufacturing same

The present invention relates to a plated steel sheet which can be used for automobiles, home appliances, building materials, etc. and a method for manufacturing same and, more particularly, to a zinc alloy plated steel sheet having excellent adhesion to an adhesive and a method for manufacturing same.

Plated steel sheet having excellent sealer adhesion and method for manufacturing same

Provided is a hot press formed product, which is prepared by means of hot press forming of a Zn—Al—Mg-based plated steel material comprising base iron and a Zn—Al—Mg-based plated layer, and a method for preparing the same, the hot press formed product comprising an oxide layer formed on the surface thereof, wherein the content ratio of Al to Mg (Al/Mg) in the oxide layer is 0.8 or more.

Hot press formed product having excellent corrosion resistance and method for preparing same

The present invention relates to a plated steel sheet having excellent corrosion resistance, workability and surface quality, and at the same time, capable of reducing occurrence of liquid metal embrittlement (LME).

Plated steel sheet having excellent corrosion resistance, workability and surface quality and method for manufacturing same

The present disclosure relates to an aluminum-based plated steel that is provided for vehicles by hot forming, an aluminum-based alloy plated steel manufactured using the same, and method of manufacturing thereof.

Manufacturing method of aluminum-based alloy plated steel

Provided are a plated steel sheet and a method for manufacturing same, the plated steel sheet comprising: a base steel sheet; a Zn—Mg—Al plating layer provided on at least one surface of the base steel sheet; and an Fe—Al inhibition layer provided between the base steel sheet and the Zn—Mg—Al plating layer. The plating layer comprises, by weight %, 4 to 10% of Mg and 5.1-25% of Al and the remainder being Zn and unavoidable impurities with respect to components not including iron (Fe) diffused from the base steel sheet. The plating layer comprises a 24-50% MgZnphase in phase fraction. In the MgZnphase, an Al single phase is present in the ratio of 1-30% relative to the cross-sectional area of the total MgZnphase.

Plated steel sheet having excellent corrosion resistance, galling resistance, workability and surface property

Provided is a method of manufacturing a zinc-plated steel sheet. The method includes: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; and zinc plating the annealed steel sheet by dipping in a molten zinc plating bath. Further provided is a method of manufacturing a hot-press part including: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; zinc plating the annealed steel sheet by dipping in a molten zinc plating bath; heating the zinc-plated steel sheet; and press forming the heated steel sheet.

Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same

A plated steel wire, according to one aspect of the present invention, comprises: a base steel wire; and a zinc alloy plated layer. The zinc alloy plated layer comprises, in percentage by weight: 1.0% to 3.0% of Al; 1.0% to 2.0% of Mg; 0.5% to 5.0% of Fe; and the balance being Zn and unavoidable impurities, and includes a Zn/MgZn2/Al ternary eutectic structure, a Zn single-phase structure, and an Fe&#x2014;Zn&#x2014;Al-based crystal structure, wherein the Fe&#x2014;Zn&#x2014;Al-based crystal structure is formed adjacent to the base steel wire, and can have an average thickness of &#x2155; to &#xbd; with respect to an average thickness of the zinc alloy plated layer.

Plated steel wire and manufacturing method for the same

Provided are a hot-dip zinc plated steel material and a method for preparing same, the hot-dip zinc plated steel material comprising: base iron comprising 0.01-1.6 wt % of Si and 1.2-3.1 wt % of Mn; a Zn&#x2014;Al&#x2014;Mg alloy plating layer; and an Al-rich layer formed on the interface of the base iron and Zn&#x2014;Al&#x2014;Mg alloy plating layer, wherein the rate of occupied surface area of the Al-rich layer is 70% or higher (including 100%).

High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same

The present disclosure relates to a plated steel material that can be used in an automobile, a household appliance, a building material, and the like, and more particularly, to a zinc alloy plated steel material having excellent surface quality and corrosion resistance, and a method for manufacturing the same.

Method for manufacturing zinc alloy plated steel material having excellent surface quality and corrosion resistance

Provided is a plated steel material which can be used for an automobile, a household appliance, a building material, and the like and, more particularly, to a zinc alloy plated steel material having excellent corrosion resistance after being processed and a method for manufacturing the same.

Zinc alloy plated steel material having excellent corrosion resistance after being processed

Provided is a Zn&#x2014;Al&#x2014;Mg-based alloy-plated steel material that can be used in automobiles and home appliances and the like and, more particularly, to a Zn&#x2014;Al&#x2014;Mg-based alloy-plated steel material that can suppress the generation of cracks in a plating layer that are generated during processing.

Alloy-plated steel material having excellent crack resistance, and method for manufacturing same

Growing community of inventors

Gwangyang-si, South Korea

Il-Ryoung Sohn