This plated steel sheet includes a base steel sheet, a plated layer formed on a surface of the base steel sheet, and an oxide film formed on a surface of the plated layer, the plated layer has a chemical composition containing Sc: 0.000010 to 4.0% in mass %, and has a cross section, in the thickness direction, in which the area fraction of an intermetallic compound phase containing Sc and having an equivalent circle diameter of 5.0 m or less is 0.1 to 10.0%, and the oxide film has a thickness of 10 nm or more.

A glazing unit, containing a transparent substrate provided with a stack of thin layers including in an alternating arrangement three infrared radiation reflecting functional layers and four dielectric coatings. The three infrared radiation reflecting functional layers are referred to starting from a surface of the transparent substrate as a first functional layer Ag1, a second functional layer Ag2, and a third functional layer Ag3, and the four dielectric coatings are referred to starting from the surface of the transparent substrate as D1, D2, D3 and D4. Each of the three infrared radiation reflecting functional layers is surrounded by the dielectric coatings and the three infrared radiation reflecting functional layers contain silver.

Provided is a plated steel sheet comprising a base steel sheet and a plating layer formed on a surface of the base steel sheet, wherein the plating layer has a predetermined chemical composition, and when measuring the plating layer by glow discharge spectroscopy (GDS), a ratio of Al concentration at center of plating layer/Al concentration at position of plating layer where Fe concentration is 50% of base steel sheet is 0.10 to 1.50.

A hot-dip galvanized steel sheet includes a base steel sheet and a hot-dip galvanized layer formed on at least one surface of the base steel sheet, in which the hot-dip galvanized layer includes Fe in a content of more than 0% to 5% or less, Al in a content of more than 0% to 1.0% or less, and columnar grains formed by a phase on the surface of the steel sheet, further, 20% or more of the entire interface between the hot-dip galvanized layer and the base steel sheet is coated with the phase, and a ratio of an interface formed between grains in which coarse oxides are present among grains and the base steel sheet with respect to the entire interface between the phase and the base steel sheet in the hot-dip galvanized layer is 50% or less, the base steel sheet has predetermined chemical components and a refined layer in direct contact with the interface between the base steel sheet and the hot-dip galvanized layer, an average thickness of the refined layer is 0.1 to 5.0 m, an average grain size of ferrite in the refined layer is 0.1 to 3.0 m, one or two or more of oxides of Si and Mn are contained in the refined layer, and a maximum size of the oxide is 0.01 to 0.4 m.

A steel sheet containing manganese from 3.0 to 6.0% in weight which has both a good coatability by liquid zinc and a good LME resistance. The present invention also aims to make available an easy to implement method to obtain the steel sheet and an assembly which does not have LME issues after spot-welding.

Steel sheet and plated steel sheet comprised of steel sheet with a thin thickness in which sufficient strength and plateability or chemical convertibility are both achieved, i.e., steel sheet having a chemical composition containing, by mass %, C: 0.05 to 0.30%, Si: 0.01 to 2.50%, Mn: 0.80 to 3.00%, Al: 0.010 to 2.000%, etc. and having a balance comprising Fe and impurities and having a thickness of 0.4 to 2.0 mm, in which steel sheet, a tensile strength is 550 to 1500 MPa, an internal oxidation layer and decarburized layer are contained, when a thickness of the decarburized layer per side of the steel sheet: A (m), a bulk C concentration of the steel sheet: Cb (%), and a thickness of the steel sheet: t (mm), 0.01A/t0.15, and a C concentration at the A position is Cb/2 or more and plated steel sheet using that steel sheet.

A material includes a glass sheet coated on at least part of one of the faces thereof with a stack of thin layers, the stack of thin layers being coated on at least part of the surface thereof with an enamel layer not including bismuth, the enamel layer being coated with a non-stick layer.

Provided is a plated steel sheet comprising a base steel sheet and a plating layer formed on a surface of the base steel sheet, wherein the plating layer has a predetermined chemical composition, and when measuring the plating layer by X-ray diffraction, a peak intensity I(002) derived from a (002) plane of an phase and a peak intensity I(101) derived from a (101) plane of the phase satisfy 0<I(002)/I(101)1000.

A low-carbon, low-alloy and high-formability dual-phase steel having a tensile strength of greater than or equal to 590 MPa, a hot-dip galvanized dual-phase steel, and a manufacturing method therefor by means of rapid heat treatment. The steel comprises the following components, in percentage by mass: 0.04-0.12% of C, 0.1-0.5% of Si, 1.0-2.0% of Mn, P0.02%, S0.015%, 0.02-0.06% of Al, and can further comprise one or two of Cr, Mo, Ti, Nb and V, wherein Cr+Mo+Ti+Nb+V0.5%, and the balance is Fe and other unavoidable impurities. The manufacturing method therefor includes smelting, casting, hot rolling, cold rolling, and rapid heat treatment processes. In the present invention, by controlling rapid heating, short-term thermal insulation and rapid cooling processes during the process of rapid heat treatment, the recovery of a deformed structure, recrystallization and austenite transformation processes are changed, the nucleation rate is increased, the grain growth time is shortened, grains are refined, the strength and n value of the material are improved, and the interval range of the material performance is expanded.

Provided is a galvanized steel sheet having high strength, excellent ductility, excellent strain hardenability in a low strain range, and excellent strain hardenability in a high strain range. A base steel sheet has a defined chemical composition and a steel microstructure as follows: area fraction of ferrite: 20.0% or more and 90.0% or less, area fraction of bainitic ferrite: 4.0 % or more and 60.0% or less, area fraction of tempered martensite: 20.0% or less (including 0%), area fraction of retained austenite: 3.0% or more, area fraction of fresh martensite: 20.0% or less (including 0%), S.sub.F+S.sub.BF: 55.0% or more and 95.0% or less, S.sub.MA1: 4.0% or more, and S.sub.MA2: 1.5% or more.